Details of the Researcher

PHOTO

Yuji Suto
Section
Graduate School of Engineering
Job title
Professor
Degree
  • 博士(工学)(東北大学)

  • 修士(工学)(東北大学)

Research History 6

  • 2020/01 - Present
    Tohoku University Graduate School of Engineering Department of Materials Science Professor

  • 2007/04 - 2020/12
    Tohoku University Graduate School of Engineering Department of Materials Science 准教授

  • 2004/04 - 2007/03
    Tohoku University Biomedical Engineering Research Organization 助手

  • 2001/04 - 2004/03
    Department of Materials Science, Graduate School of Engineering, Tohoku University 日本学術振興会特別研究員PD

  • 2003/09 - 2003/10
    University of Washington 客員研究員

  • 2002/04 - 2002/09
    University of Washington 客員研究員

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Education 2

  • Tohoku University Graduate School, Division of Engineering 材料物性学科

    - 2001/03

  • Tohoku University Faculty of Engineering Materials Science and Engineering

    - 1996/03

Committee Memberships 2

  • 日本材料科学会 北海道・東北支部支部長 支部長

    2015/10 - Present

  • PCOS(Symposium om Phase Chanhe Oriented Science)幹事会 幹事会委員

    2013/04 - Present

Professional Memberships 5

  • THE MATERIALS SCIENCE SOCIETY OF JAPAN

  • 応用物理学会

  • 形状記憶合金協会

  • 日本鉄鋼協会

  • 日本金属学会

Research Interests 4

  • 硬質膜

  • カルコゲナイド薄膜

  • microstructure control

  • 形状記憶合金

Research Areas 1

  • Nanotechnology/Materials / Inorganic materials / phase transformation, smart materials

Awards 20

  1. 卓越論文賞

    2019/03 日本鉄鋼協会

  2. 第14回 日本学術振興会賞

    2018/02 日本学術振興会

  3. 青葉工学振興会賞

    2016/12/02 青葉工学振興会

  4. まてりあ論文賞

    2016/09/21 日本金属学会

  5. 第36回本多記念研究奨励賞

    2015/05 本多記念会

  6. 日本材料科学会 奨励賞(末澤賞)

    2014/06 日本材料科学会

  7. 相変化研究会シンポジウムPCOS Best poster award

    2013/11 PCOS

  8. ADMETA 2012 Technical achievement Award

    2013/10 ADMETA

  9. 日本金属学会 功績賞

    2013/03/27 日本金属学会

  10. 第19回 STS Award

    2012/12/05 SEMIジャパン

  11. 文部科学大臣表彰 若手科学者賞

    2011/04/11 文部科学省

  12. 第49回原田研究奨励賞

    2009/07/06 (財) 本多記念会 Cu-Al-Mn系合金の組織制御による高超弾性化

  13. 第41回市村学術賞貢献賞

    2009/04/28 (財) 新技術開発財団 新型Cu系形状記憶材料の開発とその変形爪矯正

  14. 第17回日本MRS(Materials Research Society)学術シンポジウム奨励賞

    2007/01 日本MRS

  15. Copper 2006 Best paper award

    2006/09 フランス金属・材料学会

  16. 銅及び銅合金技術研究会論文賞

    2005/11 日本伸銅協会

  17. 日本金属学会 第14回奨励賞(組織部門)

    2004/09 日本金属学会

  18. (財)井上科学振興財団井上研究奨励賞

    2004/04/01 井上科学振興財団 超弾性Cu-Al-Mn系合金の高性能化

  19. 青葉工学振興会 第7回研究奨励賞

    2001/12 青葉工学振興会

  20. 青葉工学振興会 第2回及川研究奨励賞

    1998/12 青葉工学振興会

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Papers 323

  1. Melting‐Free Crystalline Polymorphic Transition in CrTe Thin Films: Potential for Phase‐Change Random Access Memory Applications

    Takuya Tsuruta, Yi Shuang, Daisuke Ando, Yuji Sutou

    physica status solidi (RRL) – Rapid Research Letters 2025/04/03

    Publisher: Wiley

    DOI: 10.1002/pssr.202500018  

    ISSN: 1862-6254

    eISSN: 1862-6270

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    The phase‐change potential of an as‐deposited chromium telluride (CrTe) thin film is investigated by focusing on its crystalline‐to‐crystalline polymorphic transition. Transmission electron microscopy determined that the as‐deposited CrTe thin film exhibits a hexagonal crystal structure that changes to a monoclinic crystal structure upon annealing at 500 °C. This alteration of the crystal structure is accompanied by a large change in carrier concentration of around two magnitudes and a very small corresponding change in resistivity. The memory switching of a fabricated phase‐change memory device utilizing a CrTe thin film active layer demonstrates a pronounced resistance disparity between SET and RESET states compared to the resistance change upon phase change in the thin‐film case. This disparity is attributed to variations in the contact resistivity of the memory device, which are driven by changes in the carrier concentration upon the crystalline polymorphic transition. Electrical pulse measurements confirm that the resistance change is reversible and repeatable, highlighting the material's potential for phase‐change random access memory applications.

  2. Amorphous-to-crystalline transition-induced two-step thin film growth of quasi-one-dimensional penta-telluride ZrTe<inf>5</inf>

    Yi Shuang, Yuta Saito, Shogo Hatayama, Paul Fons, Ando Daisuke, Yuji Sutou

    Journal of Materials Science and Technology 210 246-253 2025/03/01

    DOI: 10.1016/j.jmst.2024.05.039  

    ISSN: 1005-0302

  3. Effects of thermal and non-thermal structural phase transitions on the reflectance of metavalent bonding PbGeTe

    Hiroshi Tanimura, Yohei Kaise, Takumi Nakajima, Yuji Sutou, Tetsu Ichitsubo

    Journal of Applied Physics 2024/12/14

    DOI: 10.1063/5.0221427  

  4. Enhancing high-temperature strength in Al-Si alloys: The critical role of vanadium

    Jinxian Huang, Daisuke Ando, Yuji Sutou

    Materials Science and Engineering: A 2024/11

    DOI: 10.1016/j.msea.2024.147316  

  5. Ternary Mg-Sc-based TRIP alloys: Design strategy based on Sc-equivalent

    Daisuke Ando, Keisuke Yamagishi, Yuji Sutou

    Journal of Materials Research and Technology 32 2578-2583 2024/09/01

    DOI: 10.1016/j.jmrt.2024.08.123  

    ISSN: 2238-7854

    eISSN: 2214-0697

  6. Interfacial reaction behavior between ferromagnetic CoFeB and the topological insulator Sb<inf>2</inf>Te<inf>3</inf>

    Misako Morota, Shogo Hatayama, Yi Shuang, Shunsuke Mori, Yuji Sutou, Paul Fons, Yuta Saito

    Surfaces and Interfaces 51 2024/08

    DOI: 10.1016/j.surfin.2024.104486  

    ISSN: 2468-0230

  7. Soret-effect induced phase-change in chromium nitride semiconductor film Peer-reviewed

    Yi Shuang, Shunsuke Mori, Takuya Yamamoto, Shogo Hatayama, Yun-Heub Song, JinPyo Hong, Daisuke Ando, Yuji Sutou

    ACS Nano 18 (32) 21135-21143 2024/08/01

    Publisher: Research Square Platform LLC

    DOI: 10.21203/rs.3.rs-2486043/v1  

    ISSN: 1936-0851

    eISSN: 1936-086X

  8. Heat-resistant aluminum alloy design using explainable machine learning

    Jinxian Huang, Daisuke Ando, Yuji Sutou

    Materials and Design 243 2024/07

    DOI: 10.1016/j.matdes.2024.113057  

    ISSN: 0264-1275

    eISSN: 1873-4197

  9. Polymorphic transformation from metastable β to stable α phase in MnTe flake

    Shunsuke Mori, Yuji SUTOU

    Japanese Journal of Applied Physics 2024/03/12

    Publisher: IOP Publishing

    DOI: 10.35848/1347-4065/ad32e7  

    ISSN: 0021-4922

    eISSN: 1347-4065

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    Abstract A manganese telluride (MnTe) is an intriguing polymorphic semiconductor. Among them, the metastable β-MnTe phase, characterized by a wurtzite-type structure, has been successfully fabricated as a sputtered film on substrates. However, the bulk or free-standing β-MnTe without substrates has never been realized. In this study, we fabricated a β-MnTe flake through a lift-off process. Notably, the X-ray diffraction patterns of the flake sample approached the predicted peak positions of bulk β-MnTe, indicating strain relaxation. This represents the pioneering experimental success to demonstrate a bulk-like β-MnTe. Furthermore, we conducted thermal analyses associated with the β→α transformation through differential scanning calorimetry. The β-MnTe flake exhibited a lower transformation temperature than films, suggesting diminished thermal stability of the β phase. The enthalpy change was quantitatively determined as −45.1 kJ mol-1, which arises from the substantial volume change. These experimental demonstrations contribute to utilizing free-standing β-MnTe in optoelectronic and piezoelectric fields.

  10. Direct observation of phase-change volume in contact resistance change memory using N-doped Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> phase-change material

    Yi Shuang, Daisuke Ando, Yunheub Song, Yuji Sutou

    Applied Physics Letters 124 (6) 2024/02/05

    DOI: 10.1063/5.0190632  

    ISSN: 0003-6951

  11. Nonvolatile Isomorphic Valence Transition in SmTe Films

    Shogo Hatayama, Shunsuke Mori, Yuta Saito, Paul J. Fons, Yi Shuang, Yuji Sutou

    ACS Nano 18 (4) 2972-2981 2024/01/16

    Publisher: American Chemical Society (ACS)

    DOI: 10.1021/acsnano.3c07960  

    ISSN: 1936-0851

    eISSN: 1936-086X

  12. An amorphous Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf>/polyimide double-layer foil with an extraordinarily outstanding strain sensing ability

    Yinli Wang, Yi Shuang, Mihyeon Kim, Daisuke Ando, Fumio Narita, Yuji Sutou

    Materials Horizons 2024

    DOI: 10.1039/d4mh00616j  

    ISSN: 2051-6347

    eISSN: 2051-6355

  13. Conduction Mechanism in Amorphous NbTe&lt;sub&gt;4&lt;/sub&gt; Thin Film

    Yi Shuang, Daisuke Ando, Yuji Sutou

    MATERIALS TRANSACTIONS 2024

    Publisher: Japan Institute of Metals

    DOI: 10.2320/matertrans.mt-m2024062  

    ISSN: 1345-9678

    eISSN: 1347-5320

  14. Thermally-induced nanoscale phase change in chalcogenide glass Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> revealed by scanning tunneling microscopy

    D. I. Kim, Mizuki Kawaji, Hiroki Sato, Ryota Kawamura, Ryo Tamaki, Satoshi Kusaba, Yinli Wang, Yi Shuang, Yuji Sutou, Ikufumi Katayama, Jun Takeda

    Japanese Journal of Applied Physics 63 (1) 2024/01/01

    DOI: 10.35848/1347-4065/ad13a7  

    ISSN: 0021-4922

    eISSN: 1347-4065

  15. Origins of midgap states in Te-based Ovonic threshold switch materials

    Shogo Hatayama, Yuta Saito, Paul Fons, Yi Shuang, Mihyeon Kim, Yuji Sutou

    Acta Materialia 258 2023/10/01

    DOI: 10.1016/j.actamat.2023.119209  

    ISSN: 1359-6454

  16. NbTe<inf>4</inf> Phase-Change Material: Breaking the Phase-Change Temperature Balance in 2D Van der Waals Transition-Metal Binary Chalcogenide

    Yi Shuang, Qian Chen, Mihyeon Kim, Yinli Wang, Yuta Saito, Shogo Hatayama, Paul Fons, Daisuke Ando, Momoji Kubo, Yuji Sutou

    Advanced Materials 35 (39) 2023/09/27

    DOI: 10.1002/adma.202303646  

    ISSN: 0935-9648

    eISSN: 1521-4095

  17. Negative differential resistance based on phase transformation

    Takashi Harumoto, Hiroyuki Fujiki, Ji Shi, Yoshio Nakamura, Yuji Sutou

    Materials Horizons 10 (11) 5143-5151 2023/09/13

    DOI: 10.1039/d3mh00657c  

    ISSN: 2051-6347

    eISSN: 2051-6355

  18. Photoinduced Nonvolatile Displacive Transformation and Optical Switching in MnTe Semiconductors

    Shunsuke Mori, Hiroshi Tanimura, Tetsu Ichitsubo, Yuji Sutou

    ACS Applied Materials &amp; Interfaces 2023/08/28

    Publisher: American Chemical Society (ACS)

    DOI: 10.1021/acsami.3c07537  

    ISSN: 1944-8244

    eISSN: 1944-8252

  19. Structural origins of the unusual thermal stability of amorphous Cu<inf>x</inf>Ge<inf>50- x</inf>Te<inf>50</inf>(0 ≤ x ≤ 33.3)

    J. R. Stellhorn, B. Paulus, B. D. Klee, M. Inui, H. Taniguchi, Y. Sutou, S. Hosokawa, W. C. Pilgrim

    Journal of Physics Condensed Matter 35 (30) 2023/08/02

    DOI: 10.1088/1361-648X/acce13  

    ISSN: 0953-8984

    eISSN: 1361-648X

  20. B2 Ordering and Its Effect on Room Temperature Superelasticity in Mg–Sc Alloy

    Keisuke Yamagishi, Yuta Takeuchi, Yukiko Ogawa, Daisuke Ando, Yuji Sutou

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 54 (7) 2841-2848 2023/07

    DOI: 10.1007/s11661-023-07062-4  

    ISSN: 1073-5623

  21. Abnormal grain growth through cyclic heat treatment in a Mg–Sc alloy

    K. Yamagishi, K. Onyam, Y. Ogawa, D. Ando, Y. Sutou

    Journal of Alloys and Compounds 938 2023/03/25

    DOI: 10.1016/j.jallcom.2022.168415  

    ISSN: 0925-8388

  22. Adjustable room temperature deformation behavior of Mg–Sc alloy: From superelasticity to slip deformation via TRIP effect

    Keisuke Yamagishi, Yukiko Ogawa, Daisuke Ando, Yuji Sutou

    Journal of Alloys and Compounds 931 2023/01/10

    DOI: 10.1016/j.jallcom.2022.167507  

    ISSN: 0925-8388

  23. Low-Temperature Oxidation-Sintering Behaviors of Cu Fine Particles

    Nobuaki Takeuchi, Daisuke Ando, Koike Junichi, Yuji Sutou

    Materials Transactions 64 (4) 931-938 2023

    DOI: 10.2320/matertrans.MT-M2022219  

    ISSN: 1345-9678

  24. Development of Mg-Based Superelastic Alloy Through Aging Heat Treatment

    Keisuke Yamagishi, Yukiko Ogawa, Daisuke Ando, Yuji Sutou

    Minerals, Metals and Materials Series 181-187 2023

    DOI: 10.1007/978-3-031-22645-8_34  

    ISSN: 2367-1181

    eISSN: 2367-1696

  25. Discovery of a metastable van der Waals semiconductor via polymorphic crystallization of an amorphous film

    Yuta Saito, Shogo Hatayama, Wen Hsin Chang, Naoya Okada, Toshifumi Irisawa, Fumihiko Uesugi, Masaki Takeguchi, Yuji Sutou, Paul Fons

    Materials Horizons 10 (6) 2254-2261 2023

    DOI: 10.1039/D2MH01449A  

    ISSN: 2051-6347

    eISSN: 2051-6355

  26. Application of deep neural network learning in composites design

    Yinli Wang, Constantinos Soutis, Daisuke Ando, Yuji Sutou, Fumio Narita

    European Journal of Materials 2 (1) 118-171 2022/12/31

    Publisher: Informa UK Limited

    DOI: 10.1080/26889277.2022.2053302  

    eISSN: 2688-9277

  27. An isomorphic valency transition in SmTe film enabling nonvolatile resistive change

    Shogo Hatayama, Shunsuke Mori, Yuta Saito, Paul Fons, Yi Shuang, Yuji Sutou

    2022/11/30

    Publisher: Research Square Platform LLC

    DOI: 10.21203/rs.3.rs-2318820/v1  

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    Abstract A NaCl-type SmTe film showed remarkable electrical contrast (&gt; 105) between as-deposited and annealed films in the absence of a transition in the crystal structure. A rigid-band shift induced by a valency transition between Sm2+ and Sm3+ was found to give rise to significant change in the electronic structure along with a concomitant resistivity change. Moreover, operation of a SmTe-based memory device was demonstrated by a standard measurement scheme with switching driven by electrical pulse-induced Joule heating. Since SmTe remains crystalline in both resistive states, resistance drift is suppressed offering improved readout reliability. Furthermore, the SmTe films were found to exhibit much better data retention, maintaining data for 10 years at 262 °C in contrast to conventional nonvolatile recording material such as Ge-Sb-Te (85-110 °C). The use of a valency transition reveals a new approach to the development of nonvolatile high performance resistive change materials.

  28. Low Temperature Oxidation-Sintering Behaviors of Cu Fine Particles

    Takeuchi Nobuaki, Ando Daisuke, Koike Junichi, Sutou Yuji

    Journal of the Japan Institute of Metals and Materials 86 (11) 224-231 2022/11/01

    Publisher: The Japan Institute of Metals and Materials

    DOI: 10.2320/jinstmet.j2022020  

    ISSN: 0021-4876

    eISSN: 1880-6880 2433-7501

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    Cu fine-particle paste is a promising material to form a low-cost interconnect for flexible electronics devices. It has been reported that Cu particles can be sintered at low temperature (well below the half of the melting point) through two-step heat treatment processes of oxidation and reduction. However, the mechanism of the low temperature sintering is not clear yet. In this study, we investigated the oxidation sintering process of Cu fine particles by thermal gravimetric analysis (TGA) in the temperature range of 200-300℃, X-ray diffraction (XRD), and microstructural observation. It was found from TGA that the oxidation process was initially rate-controlled by surface reaction and then by Cu diffusion at grain boundaries of Cu2O. Transmission electron microscopy observation revealed the formation of a core (Cu)-shell (Cu2O) structure during the oxidation process. The adjacent Cu2O shells were bonded to each other resulting in a cross-linked structure. The subsequent reduction process led to the formation of a porous structure by oxygen removal, but the cross-linked structure was maintained, which would make the low-temperature sintered Cu body as robust as solidified solder and sintered Ag paste.

  29. Effect of N dopants on the phase change characteristics of Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> film revealed by changes in optical properties

    Yi Shuang, Shogo Hatayama, Daisuke Ando, Yuji Sutou

    Applied Surface Science 601 2022/11/01

    DOI: 10.1016/j.apsusc.2022.154189  

    ISSN: 0169-4332

  30. Catalyze hydrolysis reaction for hydrogen generation by Mg/Mg<inf>2</inf>Ca nanolamellar structure in Mg–Ca alloys

    Tomoharu Uchiyama, Daisuke Ando, Yuji Sutou

    Journal of Alloys and Compounds 919 2022/10/25

    DOI: 10.1016/j.jallcom.2022.165767  

    ISSN: 0925-8388

  31. Understanding the Origin of Low-Energy Operation Characteristics for Cr2Ge2Te6 Phase-Change Material: Enhancement of Thermal Efficiency in the High-Scaled Memory Device

    Shogo Hatayama, Takuya Yamamoto, Shunsuke Mori, Yun-Heub Song, Yuji Sutou

    ACS Applied Materials & Interfaces 2022/09/23

    DOI: 10.1021/acsami.2c13189  

  32. Thermal stress control of the polymorphic transformation in MnTe semiconductor films

    Shunsuke Mori, Yinli Wang, Daisuke Ando, Fumio Narita, Yuji Sutou

    Materialia 24 101493-101493 2022/08

    Publisher: Elsevier BV

    DOI: 10.1016/j.mtla.2022.101493  

    ISSN: 2589-1529

    eISSN: 2589-1529

  33. Improved Ordering of Quasi-Two-Dimensional MoS<inf>2</inf>via an Amorphous-to-Crystal Transition Initiated from Amorphous Sulfur-Rich MoS<inf>2+ x</inf>

    Milos Krbal, Vit Prokop, Jan Prikryl, Jhonatan Rodriguez Pereira, Igor Pis, Alexander V. Kolobov, Paul J. Fons, Yuta Saito, Shogo Hatayama, Yuji Sutou

    Crystal Growth and Design 22 (5) 3072-3079 2022/05/04

    DOI: 10.1021/acs.cgd.1c01504  

    ISSN: 1528-7483

    eISSN: 1528-7505

  34. Design strategy of phase change material properties for low-energy memory application

    Takuya Yamamoto, Shogo Hatayama, Yuji Sutou

    Materials &amp; Design 216 110560-110560 2022/04

    Publisher: Elsevier BV

    DOI: 10.1016/j.matdes.2022.110560  

    ISSN: 0264-1275

    eISSN: 1873-4197

  35. 不揮発性メモリ用相変化材料開発の課題と新材料に関する最新研究 Peer-reviewed

    畑山祥吾, 須藤祐司

    固体物理 57 (2) 2022/02

  36. Layer-Dependent Effects of Interfacial Phase-Change Memory for an Artificial Synapse

    Shin young Kang, Soo min Jin, Ju young Lee, Dae seong Woo, Tae hun Shim, In ho Nam, Jea gun Park, Yuji Sutou, Yun heub Song

    Physica Status Solidi - Rapid Research Letters 2022

    DOI: 10.1002/pssr.202100616  

    ISSN: 1862-6254

    eISSN: 1862-6270

  37. Short-Range Order Investigation of Cu<inf>x</inf>Ge<inf>50−x</inf>Te<inf>50</inf> Phase-Change Materials

    Benedict Paulus, Jens R. Stellhorn, Shinya Hosokawa, Benjamin D. Klee, Yuji Sutou, Wolf Christian Pilgrim

    Physica Status Solidi (B) Basic Research 259 (9) 2022

    DOI: 10.1002/pssb.202100619  

    ISSN: 0370-1972

    eISSN: 1521-3951

  38. Phase control of sputter-grown large-area MoTe2 films by preferential sublimation of Te: amorphous, 1T′ and 2H phases

    Shogo Hatayama, Yuta Saito, Kotaro Makino, Noriyuki Uchida, Yi Shuang, Shunsuke Mori, Yuji Sutou, Milos Krbal, Paul Fons

    Journal of Materials Chemistry C 10 (29) 10627-10635 2022

    Publisher: Royal Society of Chemistry (RSC)

    DOI: 10.1039/d2tc01281b  

    ISSN: 2050-7526

    eISSN: 2050-7534

  39. Electrical Conduction Mechanism of β-MnTe Thin Film with Wurtzite-Type Structure Using Radiofrequency Magnetron Sputtering

    Mihyeon Kim, Shunsuke Mori, Yi Shuang, Shogo Hatayama, Daisuke Ando, Yuji Sutou

    Physica Status Solidi - Rapid Research Letters 16 (9) 2022

    DOI: 10.1002/pssr.202100641  

    ISSN: 1862-6254

    eISSN: 1862-6270

  40. Influence of Thomson effect on amorphization in phase-change memory: dimensional analysis based on Buckingham's Pi theorem for Ge2Sb2Te5

    Takuya Yamamoto, Shogo Hatayama, Yun-Heub Song, Yuji Sutou

    MATERIALS RESEARCH EXPRESS 8 (11) 2021/11

    DOI: 10.1088/2053-1591/ac3953  

    eISSN: 2053-1591

  41. Understanding the low resistivity of the amorphous phase of Cr2Ge2Te6 phase-change material: Experimental evidence for the key role of Cr clusters Peer-reviewed

    Shogo Hatayama, Keisuke Kobayashi, Yuta Saito, Paul Fons, Yi Shuang, Shunsuke Mori, Alexander V. Kolobov, Yuji Sutou

    Physical Review Materials 5 (8) 085601-1-085601-8 2021/11

  42. Low resistance-drift characteristics in Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf>-based phase change memory devices with a high-resistance crystalline phase

    Shogo Hatayama, Yun Heub Song, Yuji Sutou

    Materials Science in Semiconductor Processing 133 2021/10

    DOI: 10.1016/j.mssp.2021.105961  

    ISSN: 1369-8001

  43. Amorphous-to-Crystal Transition in Quasi-Two-Dimensional MoS2: Implications for 2D Electronic Devices Peer-reviewed

    Milos Krbal, Vit Prokop, Alexey A. Kononov, Jhonatan Rodriguez Pereira, Jan Mistrik, Alexander V. Kolobov, Paul J. Fons, Yuta Saito, Shogo Hatayama, Yi Shuang, Yuji Sutou, Stepan A. Rozhkov, Jens R. Stellhorn, Shinjiro Hayakawa, Igor Pis, Federica Bondino

    ACS Applied Nano Materials 4 (9) 8834-8844 2021/09

    DOI: 10.1021/acsanm.1c01504  

    ISSN: 2574-0970

  44. Observation of ultrafast amorphization dynamics in GeCu2Te3 thin films using echelon-based single-shot transient absorbance spectroscopy Peer-reviewed

    Yusuke Arashida, Takayuki Suzuki, Shuhei Nara, Ikufumi Katayama, Yasuo Minami, Satoshi Shindo, Yuji Sutou, Toshiharu Saiki, Jun Takeda

    Applied Physics Letters 119 (6) 061102-1-061102-4 2021/08

    Publisher: AIP Publishing

    DOI: 10.1063/5.0052872  

    ISSN: 0003-6951

    eISSN: 1077-3118

  45. Evolution of the local structure surrounding nitrogen atoms upon the amorphous to crystalline phase transition in nitrogen-doped Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> phase-change material

    Yi Shuang, Shogo Hatayama, Yuta Saito, Paul Fons, Alexander V. Kolobov, Daisuke Ando, Yuji Sutou

    Applied Surface Science 556 2021/08/01

    DOI: 10.1016/j.apsusc.2021.149760  

    ISSN: 0169-4332

  46. Thermal stability and polymorphic transformation kinetics in β-MnTe films deposited via radiofrequency magnetron sputtering

    Shunsuke Mori, Shogo Hatayama, Daisuke Ando, Yuji Sutou

    Japanese Journal of Applied Physics 60 (4) 2021/04

    DOI: 10.35848/1347-4065/abee03  

    ISSN: 0021-4922

    eISSN: 1347-4065

  47. High Contact Resistivity Enabling Low‐Energy Operation in Cr 2 Ge 2 Te 6 ‐Based Phase‐Change Random Access Memory Peer-reviewed

    Shogo Hatayama, Yasunori Abe, Daisuke Ando, Yuji Sutou

    physica status solidi (RRL) – Rapid Research Letters 15 (3) 2000392-2000392 2021/03

    Publisher: Wiley

    DOI: 10.1002/pssr.202000392  

    ISSN: 1862-6254

    eISSN: 1862-6270

  48. Temperature-Dependent Electronic Transport in Non-Bulk-Resistance-Variation Nitrogen-Doped Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> Phase-Change Material

    Yi Shuang, Shogo Hatayama, Daisuke Ando, Yuji Sutou

    Physica Status Solidi - Rapid Research Letters 15 (3) 2021/03

    DOI: 10.1002/pssr.202000415  

    ISSN: 1862-6254

    eISSN: 1862-6270

  49. Dimensional transformation of chemical bonding during crystallization in a layered chalcogenide material

    Yuta Saito, Shogo Hatayama, Yi Shuang, Paul Fons, Alexander V. Kolobov, Yuji Sutou

    Scientific Reports 11 (1) 2021/03

    DOI: 10.1038/s41598-020-80301-5  

    eISSN: 2045-2322

  50. Potential of low-resistivity Cu<inf>2</inf>Mg for highly scaled interconnects and its challenges

    Linghan Chen, Qian Chen, Daisuke Ando, Yuji Sutou, Momoji Kubo, Junichi Koike

    Applied Surface Science 537 2021/01/30

    DOI: 10.1016/j.apsusc.2020.148035  

    ISSN: 0169-4332

  51. Interdiffusion reliability and resistivity scaling of intermetallic compounds as advanced interconnect materials

    Linghan Chen, Sushant Kumar, Masataka Yahagi, Daisuke Ando, Yuji Sutou, Daniel Gall, Ravishankar Sundararaman, Junichi Koike

    Journal of Applied Physics 129 (3) 2021/01/21

    DOI: 10.1063/5.0026837  

    ISSN: 0021-8979

    eISSN: 1089-7550

  52. Texture Formation through Thermomechanical Treatment and Its Effect on Superelasticity in Mg–Sc Shape Memory Alloy Peer-reviewed

    Keisuke Yamagishi, Daisuke Ando, Yuji Sutou, Yukiko Ogawa

    MATERIALS TRANSACTIONS 61 (12) 2270-2275 2020/12/01

    Publisher: Japan Institute of Metals

    DOI: 10.2320/matertrans.mt-m2020244  

    ISSN: 1347-5320

    More details Close

    Mg-Sc合金における様々な加工熱処理によるβ相集合組織の形成について調査し、室温での超弾性特性に及ぼす集合組織の影響を調べた。β相の変態集合組織はRDやTDへ特定の結晶配向は示さなかったが、初期組織をβ単相として冷間圧延を行った場合には、微弱な{111}<011>再結晶集合組織を形成した。その一方で、各方向での超弾性ひずみに大きな差はみられなかった。

  53. Mixed-conduction mechanism of Cr2Ge2Te6 film enabling positive temperature dependence of electrical conductivity and seebeck coefficient Peer-reviewed

    Shogo Hatayama, Takashi Yagi, Yuji Sutou

    Results in Materials 8 100155-100155 2020/12

    Publisher: Elsevier BV

    DOI: 10.1016/j.rinma.2020.100155  

    ISSN: 2590-048X

  54. Reversible displacive transformation in MnTe polymorphic semiconductor Peer-reviewed

    Shunsuke Mori, Shogo Hatayama, Yi Shuang, Daisuke Ando, Yuji Sutou

    Nature Communications 11 (1) 2020/12/01

    DOI: 10.1038/s41467-019-13747-5  

    eISSN: 2041-1723

  55. Sequential two-stage displacive transformation from β to α via β′ phase in polymorphic MnTe film

    Shunsuke Mori, Daisuke Ando, Yuji Sutou

    Materials and Design 196 2020/11

    DOI: 10.1016/j.matdes.2020.109141  

    ISSN: 0264-1275

    eISSN: 1873-4197

  56. Texture formation through thermomechanical treatment and its effect on superelasticity in MgSc

    Shape Memory Alloy, Keisuke Yamagishi, Daisuke Ando, Yuji Sutou, Yukiko Ogawa

    Materials Transactions 61 (12) 2270-2275 2020/10/30

    DOI: 10.2320/matertrans.MT-M2020244  

    ISSN: 1345-9678

  57. The importance of contacts in Cu2GeTe3 phase change memory devices Peer-reviewed

    Satoshi Shindo, Yi Shuang, Shogo Hatayama, Yuta Saito, Paul Fons, Alexander V. Kolobov, Keisuke Kobayashi, Yuji Sutou

    Journal of Applied Physics 128 (16) 165105-165105 2020/10/28

    Publisher: AIP Publishing

    DOI: 10.1063/5.0019269  

    ISSN: 0021-8979

    eISSN: 1089-7550

  58. Possibility of Cu2Mg for Liner-Barrier Free Interconnects Peer-reviewed

    Linghan Chen, Daisuke Ando, Yuji Sutou, Masataka Yahagi, Junichi Koike

    2020 IEEE International Interconnect Technology Conference (IITC) 2020/10/05

    Publisher: IEEE

    DOI: 10.1109/iitc47697.2020.9515588  

  59. Nitrogen doping-induced local structure change in a Cr2Ge2Te6 inverse resistance phase-change material Peer-reviewed

    Yi Shuang, Shogo Hatayama, Hiroshi Tanimura, Daisuke Ando, Tetsu Ichitsubo, Yuji Sutou

    MATERIALS ADVANCES 1 (7) 2426-2432 2020/10

    DOI: 10.1039/d0ma00554a  

    eISSN: 2633-5409

  60. Resistive switching chracteristics in a p-MnTe/n-AZO stacked layer

    Kim Mihyeon, Mori Shunsuke, Ando Daisuke, Sutou Yuji

    JSAP Annual Meetings Extended Abstracts 2020.2 2176-2176 2020/08/26

    Publisher: The Japan Society of Applied Physics

    DOI: 10.11470/jsapmeeting.2020.2.0_2176  

    eISSN: 2436-7613

  61. Texture formation through thermomechanical treatment and its effect on superelasticity in Mg-Sc shape memory alloy

    Keisuke Yamagishi, Daisuke Ando, Yuji Sutou, Yukiko Ogawa

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 84 (8) 253-259 2020/08/01

    DOI: 10.2320/jinstmet.J2020010  

    ISSN: 0021-4876

  62. High-quality sputter-grown layered chalcogenide films for phase change memory applications and beyond Peer-reviewed

    Yuta Saito, Paul Fons, Alexander V. Kolobov, Kirill V. Mitrofanov, Kotaro Makino, Junji Tominaga, Shogo Hatayama, Yuji Sutou, Muneaki Hase, John Robertson

    Journal of Physics D: Applied Physics 53 (28) 2020/07/08

    DOI: 10.1088/1361-6463/ab850b  

    ISSN: 0022-3727

    eISSN: 1361-6463

  63. Structure of amorphous Cu2GeTe3 and the implications for its phase-change properties

    Jens R. Stellhorn, Benedict Paulus, Shinya Hosokawa, Wolf Christian Pilgrim, Nathalie Boudet, Nils Blanc, Hiroyuki Ikemoto, Shinji Kohara, Yuji Sutou

    Physical Review B 101 (21) 2020/06/01

    DOI: 10.1103/PhysRevB.101.214110  

    ISSN: 2469-9950

    eISSN: 2469-9969

  64. Diode characteristics of MnTe/Oxide layerd structure

    Kim Mihyeon, Mori Shunsuke, Ando Daisuke, Sutou Yuji

    JSAP Annual Meetings Extended Abstracts 2020.1 3229-3229 2020/02/28

    Publisher: The Japan Society of Applied Physics

    DOI: 10.11470/jsapmeeting.2020.1.0_3229  

    eISSN: 2436-7613

  65. Liner- and barrier-free NiAl metallization: A perspective from TDDB reliability and interface status Peer-reviewed

    Linghan Chen, Daisuke Ando, Yuji Sutou, Shinji Yokogawa, Junichi Koike

    Applied Surface Science 497 143810 2019/12/15

    DOI: 10.1016/j.apsusc.2019.143810  

    ISSN: 0169-4332

  66. Bidirectional Selector Utilizing Hybrid Diodes for PCRAM Applications Peer-reviewed

    Yi Shuang, Shogo Hatayama, Junseop An, Jinpyo Hong, Daisuke Ando, Yunheub Song, Yuji Sutou

    Scientific Reports 9 (1) 2019/12/01

    DOI: 10.1038/s41598-019-56768-2  

    eISSN: 2045-2322

  67. Cr-Triggered Local Structural Change in Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> Phase Change Material Peer-reviewed

    Shogo Hatayama, Yi Shuang, Paul Fons, Yuta Saito, Alexander V. Kolobov, Keisuke Kobayashi, Satoshi Shindo, Daisuke Ando, Yuji Sutou

    ACS Applied Materials and Interfaces 11 (46) 43320-43329 2019/11/20

    DOI: 10.1021/acsami.9b11535  

    ISSN: 1944-8244

    eISSN: 1944-8252

  68. Ordering of the bcc Phase in a Mg-Sc Binary Alloy by Aging Treatment Peer-reviewed

    Yukiko Ogawa, Yuji Sutou, Daisuke Ando, Junichi Koike, Hidetoshi Somekawa

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 50 (7) 3044-3047 2019/07/15

    DOI: 10.1007/s11661-019-05260-7  

    ISSN: 1073-5623

  69. Room temperature superelasticity in a lightweight shape memory Mg alloy Peer-reviewed

    K. Yamagishi, Y. Ogawa, D. Ando, Y. Sutou, J. Koike

    Scripta Materialia 168 114-118 2019/07/15

    DOI: 10.1016/j.scriptamat.2019.04.023  

    ISSN: 1359-6462

  70. Zn-Fe めっき層の組成および組織制御による改質に向けたスパッタリング成膜による検証 Peer-reviewed

    Uchiyama, A, Kawasaki, K, Sutou, Y, Ando, D, Koike, J

    鉄と鋼 105 (7) 724-732 2019/07

  71. Relation between density and optical contrasts upon crystallization in Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> phase-change material: Coexistence of a positive optical contrast and a negative density contrast Peer-reviewed

    Shogo Hatayama, Daisuke Ando, Yuji Sutou

    Journal of Physics D: Applied Physics 52 (32) 325111 2019/06/13

    DOI: 10.1088/1361-6463/ab233f  

    ISSN: 0022-3727

    eISSN: 1361-6463

  72. CuAl<inf>2</inf> thin films as a low-resistivity interconnect material for advanced semiconductor devices Peer-reviewed

    Linghan Chen, Daisuke Ando, Yuji Sutou, Junichi Koike

    Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics 37 (3) 031215 2019/05/01

    DOI: 10.1116/1.5094404  

    ISSN: 2166-2746

    eISSN: 2166-2754

  73. Systematic materials design for phase-change memory with small density changes for high-endurance non-volatile memory applications Peer-reviewed

    Yuta Saito, Shogo Hatayama, Yi Shuang, Satoshi Shindo, Paul Fons, Alexander V. Kolobov, Keisuke Kobayashi, Yuji Sutou

    Applied Physics Express 12 (5) 051008 2019/05/01

    DOI: 10.7567/1882-0786/ab1301  

    ISSN: 1882-0778

    eISSN: 1882-0786

  74. Electrical transport mechanism of the amorphous phase in Cr <inf>2</inf> Ge <inf>2</inf> Te <inf>6</inf> phase change material Peer-reviewed

    Shogo Hatayama, Yuji Sutou, Daisuke Ando, Junichi Koike, Keisuke Kobayashi

    Journal of Physics D: Applied Physics 52 (10) 105103 2019/01/09

    DOI: 10.1088/1361-6463/aafa94  

    ISSN: 0022-3727

    eISSN: 1361-6463

  75. Improvement of powdering resistance of Zn-Fe galvannealed coating by controlling of its composition and microstructure: Verification with sputtering method Peer-reviewed

    Aimi Uchiyama, Kohei Kawasaki, Yuji Sutou, Daisuke Ando, Junichi Koike

    Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan 105 (7) 724-732 2019

    DOI: 10.2355/tetsutohagane.TETSU-2018-164  

    ISSN: 0021-1575

  76. NiAl as a potential material for liner- and barrier-free interconnect in ultrasmall technology node Peer-reviewed

    Linghan Chen, Daisuke Ando, Yuji Sutou, Daniel Gall, Junichi Koike

    Applied Physics Letters 113 (18) 183503 2018/10/29

    DOI: 10.1063/1.5049620  

    ISSN: 0003-6951

  77. Crystallization mechanism and kinetics of Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> phase change material Peer-reviewed

    S. Hatayama, Y. Sutou, D. Ando, J. Koike

    MRS Communications 8 (3) 1167-1172 2018/09/01

    DOI: 10.1557/mrc.2018.176  

    ISSN: 2159-6859

    eISSN: 2159-6867

  78. New Contact Metallization Scheme for FinFET and beyond Peer-reviewed

    Junichi Koike, Maryamsadat Hosseini, Daisuke Ando, Yuji Sutou

    2018 IEEE Electron Devices Technology and Manufacturing Conference, EDTM 2018 - Proceedings 8421448 169-171 2018/07/26

    DOI: 10.1109/EDTM.2018.8421448  

  79. Aging precipitation kinetics of Mg-Sc alloy with bcc+hcp two-phase Peer-reviewed

    Yukiko Ogawa, Yuji Sutou, Daisuke Ando, Junichi Koike

    Journal of Alloys and Compounds 747 (30) 854-860 2018/05/30

    Publisher: Elsevier Ltd

    DOI: 10.1016/j.jallcom.2018.03.064  

    ISSN: 0925-8388

  80. Understanding the fast phase-change mechanism of tetrahedrally bonded Cu2GeTe3: Comprehensive analyses of electronic structure and transport phenomena Peer-reviewed

    Keisuke Kobayashi, Jonathan M. Skelton, Yuta Saito, Satoshi Shindo, Masaaki Kobata, Paul Fons, Alexander V. Kolobov, Stephen Elliott, Daisuke Ando, Yuji Sutou

    Physical Review B 97 (19) 195105 2018/05/03

    DOI: 10.1103/PhysRevB.97.195105  

    ISSN: 2469-9950

    eISSN: 2469-9969

  81. Contact resistance change memory using N-doped Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf> phase-change material showing non-bulk resistance change Peer-reviewed

    Y. Shuang, Y. Sutou, S. Hatayama, S. Shindo, Y. H. Song, D. Ando, J. Koike

    Applied Physics Letters 112 (18) 183504 2018/04

    Publisher: American Institute of Physics Inc.

    DOI: 10.1063/1.5029327  

    ISSN: 0003-6951

  82. Co and CoTi<inf>x</inf> for contact plug and barrier layer in integrated circuits Peer-reviewed

    Maryamsadat Hosseini, Daisuke Ando, Yuji Sutou, Junichi Koike

    Microelectronic Engineering 189 (5) 78-84 2018/04

    Publisher: Elsevier B.V.

    DOI: 10.1016/j.mee.2017.12.017  

    ISSN: 0167-9317

  83. Investigation of bias polarity dependence of set operation in GeCu2Te3 phase change memory Peer-reviewed

    J. S. An, K. J. Kim, C. M. Choi, S. Shindo, Y. Sutou, Y. H. Song

    Electronics Letters 54 (6) 350-351 2018/03/22

    Publisher: Institution of Engineering and Technology

    DOI: 10.1049/el.2017.3902  

    ISSN: 0013-5194

  84. Martensitic Transformation in a β-Type Mg–Sc Alloy Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Hidetoshi Somekawa, Junichi Koike

    Shape Memory and Superelasticity 4 (1) 167-173 2018/03/01

    DOI: 10.1007/s40830-017-0143-y  

    ISSN: 2199-384X

    eISSN: 2199-3858

  85. Inverse Resistance Change Cr<inf>2</inf>Ge<inf>2</inf>Te<inf>6</inf>-Based PCRAM Enabling Ultralow-Energy Amorphization Peer-reviewed

    Shogo Hatayama, Yuji Sutou, Satoshi Shindo, Yuta Saito, Yun Heub Song, Daisuke Ando, Junichi Koike

    ACS Applied Materials and Interfaces 10 (3) 2725-2734 2018/01/24

    DOI: 10.1021/acsami.7b16755  

    ISSN: 1944-8244

    eISSN: 1944-8252

  86. Material innovation for MOL, BEOL, and 3D integration Peer-reviewed

    J. Koike, M. Hosseini, H. T. Hai, D. Ando, Y. Sutou

    Technical Digest - International Electron Devices Meeting, IEDM 32.3.1-32.3.4 2018/01/23

    Publisher: Institute of Electrical and Electronics Engineers Inc.

    DOI: 10.1109/IEDM.2017.8268485  

    ISSN: 0163-1918

  87. Optical and electrical properties of ¡-MnTe thin films deposited using RF magnetron sputtering Peer-reviewed

    Shunsuke Mori, Yuji Sutou, Daisuke Ando, Junichi Koike

    Materials Transactions 59 (9) 1506-1512 2018

    DOI: 10.2320/matertrans.M2018086  

    ISSN: 1345-9678

  88. Implementation of pulse timing discriminator functionality into a GeSbTe/GeCuTe double layer structure Peer-reviewed

    Ryota Akimoto, Hiroaki Handa, Satoshi Shindo, Yuji Sutou, Masashi Kuwahara, Makoto Naruse, Toshiharu Saiki

    Optics Express 25 (22) 26825-26831 2017/10/30

    DOI: 10.1364/OE.25.026825  

    ISSN: 1094-4087

    eISSN: 1094-4087

  89. Molybdenum oxide-base phase change resistive switching material Peer-reviewed

    Yukiko Ogawa, Satoshi Shindo, Yuji Sutou, Junichi Koike

    Applied Physics Letters 111 (16) 163105 2017/10/16

    DOI: 10.1063/1.5000410  

    ISSN: 0003-6951

    eISSN: 1077-3118

  90. Electronic Structure of Transition-Metal Based Cu<inf>2</inf>GeTe<inf>3</inf> Phase Change Material: Revealing the Key Role of Cu d Electrons Peer-reviewed

    Yuta Saito, Yuji Sutou, Paul Fons, Satoshi Shindo, Xeniya Kozina, Jonathan M. Skelton, Alexander V. Kolobov, Keisuke Kobayashi

    Chemistry of Materials 29 (17) 7440-7449 2017/09/12

    DOI: 10.1021/acs.chemmater.7b02436  

    ISSN: 0897-4756

    eISSN: 1520-5002

  91. Feasibility study of Cu paste printing technique to fill deep via holes for low cost 3D TSV applications Peer-reviewed

    Hoang Tri Hai, Kang Wook Lee, Daisuke Ando, Yuji Sutou, Mitsumasa Koyanagi, Junichi Koike

    IITC 2017 - 2017 IEEE International Interconnect Technology Conference 7968976 2017/07/05

    Publisher: Institute of Electrical and Electronics Engineers Inc.

    DOI: 10.1109/IITC-AMC.2017.7968976  

  92. Enhanced fatigue properties of cast AZ80 Mg alloy processed by cyclic torsion and low-temperature annealing Peer-reviewed

    Qinghuan Huo, Zhenyu Xiao, Xuyue Yang, Daisuke Ando, Yuji Sutou, Junichi Koike

    Materials Science and Engineering A 696 (1) 52-59 2017/06/01

    DOI: 10.1016/j.msea.2017.04.061  

    ISSN: 0921-5093

    eISSN: 1873-4936

  93. Texture randomization of hexagonal close packed phase through hexagonal close packed/body centered cubic phase transformation in Mg-Sc alloy Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Scripta Materialia 128 27-31 2017/02/01

    DOI: 10.1016/j.scriptamat.2016.09.024  

    ISSN: 1359-6462

  94. Effect of Cu content on hardness and wear properties in (Cr, Mo, Cu)N film Peer-reviewed

    Yuta Suzuki, Yuji Sutou, Daisuke Ando, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 81 (5) 270-275 2017

    DOI: 10.2320/jinstmet.JBW201613  

    ISSN: 0021-4876

    eISSN: 1880-6880

  95. Effect of initial microstructure on stress-strain behavior in Mg-Sc-Zn based alloy with high Sc content Peer-reviewed

    Yuta Takeuchi, Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 81 (5) 276-281 2017

    DOI: 10.2320/jinstmet.JBW201612  

    ISSN: 0021-4876

    eISSN: 1880-6880

  96. Stress-strain hysteresis and strain hardening during cyclic tensile test of Mg-0.6at%Y alloy Peer-reviewed

    Qinghuan Huo, Daisuke Ando, Yuji Sutou, Junichi Koike

    Materials Science and Engineering A 678 235-242 2016/12/15

    DOI: 10.1016/j.msea.2016.10.008  

    ISSN: 0921-5093

    eISSN: 1873-4936

  97. Impact of contact resistance on memory window in phase-change random access memory (PCRAM) Peer-reviewed

    Jun seop An, Chul min Choi, Satoshi Shindo, Yuji Sutou, Yong woo Kwon, Yun heub Song

    Journal of Computational Electronics 15 (4) 1570-1576 2016/12/01

    DOI: 10.1007/s10825-016-0905-3  

    ISSN: 1569-8025

    eISSN: 1572-8137

  98. Structure and thermoelectric properties of PbTe films deposited by thermal evaporation method Peer-reviewed

    M. P. Nguyen, J. Froemel, S. Hatayama, Y. Sutou, J. Koike, S. Tanaka, M. Esashi, T. Gessner

    16th International Conference on Nanotechnology - IEEE NANO 2016 566-568 2016/11/21

    DOI: 10.1109/NANO.2016.7751384  

  99. Temporal optical response of GeSbTe/GeCuTe double-layered film and its application to pulse-delay discriminator Peer-reviewed

    Ryota Akimoto, Satoshi Shindo, Yuji Sutou, Masashi Kuwahara, Makoto Naruse, Toshiharu Saiki

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016 1 73-74 2016/11

  100. Phase change behaviors of Cr-Ge-Te compound thin film Peer-reviewed

    Shogo Hatayama, Satoshi Shindo, Yuji Sutou, Junichi Koike

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016・(71-72) 1 71-72 2016/11

  101. Effect of contact resistance on PRAM window in 3D structure Peer-reviewed

    Jun-Seop An, Yun-Heub Song, Satoshi Shindo, Yuji Sutou

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016 1 67-68 2016/11

  102. Switching behavior of GeCu2Te3 phase change memory cell Peer-reviewed

    Satoshi Shindo, Yuji Sutou, Junichi Koike, Yuta Saito, Jun-Seop An, Yun-Heub Song

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016 1 69-70 2016/11

  103. A study on phase transition behaviors of GeCu2Te3 phase change material for PCRAM application Peer-reviewed

    Y. Sutou, S. Shindo, Y. Saito, J. Koike, YH. Song

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016 1 52-55 2016/11

  104. Three dimentional architecture for high density PCRAM Invited Peer-reviewed

    YH. Song, JS. An, S. Shindo, Y. Sutou

    Proceedings of the 28th Symposium on Phase Change Oriented Science 2016 1 42-45 2016/11

  105. Erratum to “Determination of ɑ/β phase boundaries and mechanical characterization of Mg-Sc binary alloys” [Mater. Sci. Eng. A 670 (2016) 335–341] Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Kyosuke Yoshimi, Junichi Koike

    Materials Science and Engineering A 674 713 2016/09/30

    Publisher: Elsevier Ltd

    DOI: 10.1016/j.msea.2016.08.016  

    ISSN: 0921-5093

  106. Investigation of an erasing method for synaptic behaviour in a phase change device using Ge<inf>1</inf>Cu<inf>2</inf>Te<inf>3</inf> (GCT) Peer-reviewed

    J. S. An, C. M. Choi, Y. Shindo, Y. Sutou, H. S. Jeong, Y. H. Song

    Electronics Letters 52 (18) 1514-1516 2016/09/02

    DOI: 10.1049/el.2016.2211  

    ISSN: 0013-5194

    eISSN: 1350-911X

  107. Investigation of an erasing method for synaptic behaviour in a phase change device using Ge1Cu2Te3 (GCT) Peer-reviewed

    J. S. An, C. M. Choi, Y. Shindo, Y. Sutou, H. S. Jeong, Y. H. Song

    ELECTRONICS LETTERS 52 (18) 1514-1515 2016/09

    DOI: 10.1049/el.2016.2211  

    ISSN: 0013-5194

    eISSN: 1350-911X

  108. Resisatnce contrast of GeCu2Te3 phase change memory cell

    S. Shindo, Y. Sutou, J. Koike, Y. Saito, JS. An, YH. Song

    European Symposium on Phase Change and Ovonic Science proceedings 2016 1 195-196 2016/09

  109. The doping effect of V, Cr, and Ni on the crystallization behavior of GeTe amorphous film

    S. Hatayama, M. SHimoda, S. Shindo, Y. Sutou, J. Koike

    European Symposium on Phase Change and Ovonic Science proceedings 2016 1 199-200 2016/09

  110. A lightweight shape-memory magnesium alloy Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Science 353 (6297) 368-370 2016/07/22

    DOI: 10.1126/science.aaf6524  

    ISSN: 0036-8075

    eISSN: 1095-9203

  111. Determination of α/β phase boundaries and mechanical characterization of Mg-Sc binary alloys Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Kyosuke Yoshimi, Junichi Koike

    Materials Science and Engineering A 670 335-341 2016/07/18

    DOI: 10.1016/j.msea.2016.06.028  

    ISSN: 0921-5093

    eISSN: 1873-4936

  112. Amorphous Co-Ti alloy as a single layer barrier for Co local interconnect structure Peer-reviewed

    Maryamsadat Hosseini, Junichi Koike, Yuji Sutou, Larry Zhao, Steven Lai, Reza Arghavani

    2016 IEEE International Interconnect Technology Conference / Advanced Metallization Conference, IITC/AMC 2016 162-164 2016/07/08

    DOI: 10.1109/IITC-AMC.2016.7507718  

  113. Internal microstructure observation of enhanced grain-boundary sliding at room temperature in AZ31 magnesium alloy Peer-reviewed

    D. Ando, Y. Sutou, J. Koike

    Materials Science and Engineering A 666 94-99 2016/06/01

    DOI: 10.1016/j.msea.2016.04.030  

    ISSN: 0921-5093

    eISSN: 1873-4936

  114. Contact resistivity of amorphous and crystalline GeCu<inf>2</inf>Te<inf>3</inf> to W electrode for phase change random access memory Peer-reviewed

    S. Shindo, Y. Sutou, J. Koike, Y. Saito, Y. H. Song

    Materials Science in Semiconductor Processing 47 1-6 2016/06/01

    DOI: 10.1016/j.mssp.2016.02.006  

    ISSN: 1369-8001

  115. XAFS analysis of crystal GeCu2Te3 phase change material Peer-reviewed

    K. Kamimura, K. Kimura, S. Hosokawa, N. Happo, H. Ikemoto, Y. Sutou, S. Shindo, Y. Saito, J. Koike

    Z. Phys. Chem. 230 (3) 433-443 2016/03/28

    DOI: 10.1515/zpch-2015-0672  

    ISSN: 2196-7156

  116. XAFS Analysis of Crystal GeCu<inf>2</inf>Te<inf>3</inf> Phase Change Material Peer-reviewed

    Kenji Kamimura, Koji Kimura, Shinya Hosokawa, Naohisa Happo, Hiroyuki Ikemoto, Yuji Sutou, Satoshi Shindo, Yuta Saito, Junichi Koike

    Zeitschrift fur Physikalische Chemie 230 (3) 433-443 2016/03/28

    DOI: 10.1515/zpch-2015-0672  

    ISSN: 0942-9352

  117. Hardness and Wear Properties of Ti-Mo-C-N Film Peer-reviewed

    Toshiaki Toyoda, Yuji Sutou, Shoko Komiyama, Daisuke Ando, Junichi Koike, Mei Wang

    MATERIALS TRANSACTIONS 57 (3) 362-367 2016/03

    DOI: 10.2320/matertrans.M2015383  

    ISSN: 1345-9678

    eISSN: 1347-5320

  118. Aging Effect of Mg-Sc Alloy with alpha plus beta Two-Phase Microstructure Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    JOURNAL OF THE JAPAN INSTITUTE OF METALS 80 (3) 171-175 2016/03

    DOI: 10.2320/jinstmet.JBW201511  

    ISSN: 0021-4876

    eISSN: 1880-6880

  119. XAFS analysis on amorphous and crystalline new phase change material GeCu<inf>2</inf>Te<inf>3</inf> Peer-reviewed

    K. Kamimura, S. Hosokawa, N. Happo, H. Ikemoto, Y. Sutou, S. Shindo, Y. Saito, J. Koike

    Journal of Optoelectronics and Advanced Materials 18 (3-4) 248-253 2016/03

    ISSN: 1454-4164

  120. Aging effect of Mg-Sc alloy with α+β two-phase microstructure Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Materials Transactions 57 (7) 1119-1123 2016

    DOI: 10.2320/matertrans.M2016093  

    ISSN: 1345-9678

    eISSN: 1347-5320

  121. Study on fatigue mechanism of Mg-0.6at%Y alloy by cyclic tensile test Peer-reviewed

    Qinghuan Huo, Daisuke Ando, Junichi Koike, Yuji Sutou

    Magnesium Technology 2016-January 299-303 2016

    DOI: 10.1002/9781119274803.ch58  

    ISSN: 1545-4150

  122. Age-hardening of dual phase Mg-Sc alloy at 573 K Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Magnesium Technology 2016-January 147-149 2016

    DOI: 10.1002/9781119274803.ch29  

    ISSN: 1545-4150

  123. Crystal orientation changing behavior during erichsen test in Mg-Y dilute alloy Peer-reviewed

    Tetsu Suzuki, Daisuke Ando, Hidetoshi Somekawa, Yuji Sutou, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 80 (8) 515-520 2016

    DOI: 10.2320/jinstmet.J2016018  

    ISSN: 0021-4876

    eISSN: 1880-6880

  124. Aging effect of Mg-Sc alloy with α+β two-phase microstructure Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 80 (3) 171-175 2016

    DOI: 10.2320/jinstmet.JBW201511  

    ISSN: 0021-4876

    eISSN: 1880-6880

  125. Hardness and wear properties of Ti-Mo-C-N film Peer-reviewed

    Toshiaki Toyoda, Yuji Sutou, Shoko Komiyama, Daisuke Ando, Junichi Koike, Mei Wang

    Materials Transactions 57 (3) 362-367 2016

    DOI: 10.2320/matertrans.M2015383  

    ISSN: 1345-9678

    eISSN: 1347-5320

  126. Effect of surface cleaning on contact resistivity of amorphous GeCu<inf>2</inf>Te<inf>3</inf> to a W electrode Peer-reviewed

    S. Shindo, Y. Sutou, J. Koike, Y. Saito, Y. H. Song

    MRS Advances 1 (39) 2731-2736 2016

    DOI: 10.1557/adv.2016.310  

    eISSN: 2059-8521

  127. Crysatlization behavior of Cr-Ge-Te thin films

    S. Hatayama, S. SHindo, Y. Sutou, J. Koike

    Proceedings of the 27th Symposium on Phase Change Oriented Science 65-66 2015/11/26

  128. Contact resistivity change of GeCu2Te3 to W electrode by crystallization

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    Proceedings of the 27th Symposium on Phase Change Oriented Science 67-68 2015/11/26

  129. Microstructure, hardness and wear resistance of reactive sputtered Mo-O-N films on stainless steel substrate Peer-reviewed

    Y. Sutou, S. Komiyama, M. Sonobe, D. Ando, J. Koike, M. Wang

    Surface and Coatings Technology 280 1-7 2015/10/25

    DOI: 10.1016/j.surfcoat.2015.08.047  

    ISSN: 0257-8972

  130. Novel device structure for phase change memory toward low-current operation Peer-reviewed

    Eunha Kim, Nam Soo Kang, Hyung Jun Yang, Yuji Sutou, Yun Heub Song

    Japanese Journal of Applied Physics 54 (9) 094302-1-094302-4 2015/09/01

    DOI: 10.7567/JJAP.54.094302  

    ISSN: 0021-4922

    eISSN: 1347-4065

  131. Phase change behavior of molybdenum oxide film

    Y. Ogawa, S. Shindo, Y. Sutou, J. Koike

    European Symposium on Phase Change and Ovonic Science proceedings 107-108 2015/09

  132. Contact resistivity of GeCu2Te3 phase change material on W electrode

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    European Symposium on Phase Change and Ovonic Science proceedings 147-148 2015/09

  133. Feasibility study of multi-level PCRAM with multiple phase change layers

    Y. Sutou, Y. Saito, S. Shindo, J. Koike, J.M. Lee, Y.H. Song

    European Symposium on Phase Change and Ovonic Science proceedings 133-134 2015/09

  134. Crystallization processes of Sb<inf>100-x</inf>Zn<inf>x</inf> (0 ≤ x ≤ 70) amorphous films for use as phase change memory materials Peer-reviewed

    Yuta Saito, Masashi Sumiya, Yuji Sutou, Daisuke Ando, Junichi Koike

    AIP Advances 5 (9) 097151-1-097151-9 2015/09/01

    DOI: 10.1063/1.4931392  

    eISSN: 2158-3226

  135. Age-hardening effect by phase transformation of high Sc containing Mg alloy Peer-reviewed

    D. Ando, Y. Ogawa, T. Suzuki, Y. Sutou, J. Koike

    Materials Letters 161 5-8 2015/08/25

    DOI: 10.1016/j.matlet.2015.06.057  

    ISSN: 0167-577X

    eISSN: 1873-4979

  136. Wear and oxidation behavior of reactive sputtered δ-(Ti,Mo)N films deposited at different nitrogen gas flow rates Peer-reviewed

    S. Komiyama, Y. Sutou, K. Oikawa, J. Koike, M. Wang, M. Sakurai

    Tribology International 87 32-39 2015/07

    DOI: 10.1016/j.triboint.2015.02.005  

    ISSN: 0301-679X

    eISSN: 1879-2464

  137. Hardness and wear properties of Ti-Mo-C-N film Peer-reviewed

    Toshiaki Toyoda, Yuji Sutou, Shoko Komiyama, Daisuke Ando, Junichi Koike, Mei Wang

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 79 (4) 220-226 2015/04

    DOI: 10.2320/jinstmet.JBW201401  

    ISSN: 0021-4876

    eISSN: 1880-6880

  138. Diffusion barrier property of MnSi<inf>x</inf>O<inf>y</inf> layer formed by chemical vapor deposition for Cu advanced interconnect application Peer-reviewed

    Mai Phuong Nguyen, Yuji Sutou, Junichi Koike

    Thin Solid Films 580 56-60 2015/04

    DOI: 10.1016/j.tsf.2015.03.007  

    ISSN: 0040-6090

  139. Feasibility of Cu-Al-Mn superelastic alloy bar as a self-sensor material Peer-reviewed

    Kshitij C. Shrestha, Yoshikazu Araki, Makoto Yamakawa, Nobutoshi Yoshida, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma

    Journal of Intelligent Material Systems and Structures 26 (3) 364-370 2015/02/17

    DOI: 10.1177/1045389X14529028  

    ISSN: 1045-389X

    eISSN: 1530-8138

  140. The degradation mechanism of corrosion resistance on medical nitinol wire Peer-reviewed

    T. Takagi, M. Morita, Y. Sutou, M. Suzuki, R. Kainuma, K. Yamauchi

    材料の科学と工学:日本材料科学会誌 52 (2) 69-73 2015/02

    Publisher:

    ISSN: 1347-4774

  141. 19aPS-110 XAFS analysis of crystal GeCu_2Te_3 phase change material

    Kamimura K., Hosokawa S., Happo N., Ikemoto H., Sutou Y., Shindo S., Saito Y., Koike J.

    Meeting Abstracts of the Physical Society of Japan 70 1462-1462 2015

    Publisher: The Physical Society of Japan (JPS)

    DOI: 10.11316/jpsgaiyo.70.2.0_1462  

    ISSN: 2189-079X

  142. Recrystallization process and texture change of Mg-Y alloy rolled sheet Peer-reviewed

    Suzuki, T.a, Ando, D, Sutou, Y, Koike, J

    Keikinzoku J Jpn Inst Light Met 65 (7) 259-262 2015

  143. Effectiveness of superelastic bars for seismic rehabilitation of clay-unit masonry walls Peer-reviewed

    KC. Shrestha, Y. Araki, M. Yamakawa, N. Yoshida, T. Omori, Y. Sutou, R. Kainuma

    Journal of Intelligent Material Systems and Structures 26 (3) 364-370 2015

  144. Precipitation hardening in Ti-Mo-N coating deposited by reactive sputtering Peer-reviewed

    Yuji Sutou, Shoko Komiyama, Katsunari Oikawa, Daisuke Ando, Junichi Koike

    PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015 1 417-418 2015

  145. Determination of HCP/BCC boundaries and mechanical properties of dual phase alloy in binary Mg-Sc system Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015 1 419-420 2015

  146. Significant age hardening response of BCC/HCP dual phase Mg-Sc alloys Peer-reviewed

    Daisuke Ando, Yukiko Ogawa, Yuji Sutou, Junichi Koike

    PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015 1 (1027) 1207-1208 2015

  147. Recrystallization process and texture change of Mg-Y alloy rolled sheet Peer-reviewed

    Tetsu Suzuki, Daisuke Ando, Yuji Sutou, Junichi Koike

    Keikinzoku/Journal of Japan Institute of Light Metals 65 (7) 259-262 2015

    Publisher: Japan Institute of Light Metals

    DOI: 10.2464/jilm.65.259  

    ISSN: 0451-5994

  148. Chronological change of electrical resistance in GeCu<inf>2</inf>Te<inf>3</inf> amorphous film induced by surface oxidation Peer-reviewed

    Yuta Saito, Satoshi Shindo, Yuji Sutou, Junichi Koike

    Journal of Physics D: Applied Physics 47 (47) 475302-1-475302-8 2014/11/26

    DOI: 10.1088/0022-3727/47/47/475302  

    ISSN: 0022-3727

    eISSN: 1361-6463

  149. Phase change characteristics in GeTe-CuTe pseudobinary alloy Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Journal of Physical Chemistry C 118 (46) 26973-26980 2014/11/20

    DOI: 10.1021/jp5066264  

    ISSN: 1932-7447

    eISSN: 1932-7455

  150. A study on phase change characteristics of (GeTe)1-xSix films

    Y. Sutou, Y. Saito, J. Koike

    Proceedings of the 26th symposium on Phase Change Oriented Science (PCOS) 1 53-56 2014/11

  151. Contact resistivity of GeCu2Te3 on metal electrode measured by CTLM Peer-reviewed

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    Proceedings of the 26th symposium on Phase Change Oriented Science (PCOS) 1 63-64 2014/11

  152. Resistive Switching Behavior in Undoped α-Fe2O3 Film with a Low Resistivity

    Yukiko Ogawa, Yuji Sutou, Daisuke Ando, Junichi Koike

    Advances in Science and Technology 95 96-99 2014/10

    Publisher: Trans Tech Publications, Ltd.

    DOI: 10.4028/www.scientific.net/ast.95.96  

    ISSN: 1662-0356

    More details Close

    <jats:p>The resistive switching behavior of a low resistive p-type α-Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> thin film sandwiched between Fe bottom electrode and top electrodes of various materials (Fe, Ni and TiN) was studied by current-voltage measurements. When TiN was used for top electrode of memory cell, the reversible resistive switching behavior was observed for over 100 cycles. From impedance measurement, it was suggested that the resistive switching behavior in the TiN/p-type α-Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>/Fe device is attributed to the change of the contact resistance in the interface between TiN and α-Fe<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> layers.</jats:p>

  153. Fast crystallization in Si-doped GeTe amorphous film by surface oxidation

    Y. Sutou, Y. Saito, J. Koike

    European/ Phase Change and Ovonics Symposium 1 (1) 109-110 2014/09/07

  154. Dependence pf electrode material on resistance-temperature curves in GeCu2Te3

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    European/ Phase Change and Ovonics Symposium 1 (1) 131-132 2014/09/07

  155. Reflow behavior of Cu-Mn in LSI line patterns Peer-reviewed

    Tomohiro Saito, Daisuke Ando, Yuji Sutou, Junichi Koike

    Japanese Journal of Applied Physics 53 (5 SPEC. ISSUE 2) 05GA09 2014/05

    DOI: 10.7567/JJAP.53.05GA09  

    ISSN: 0021-4922

    eISSN: 1347-4065

  156. Formation behavior and adhesion property of metallic Mn layer on porous SiOC by chemical vapor deposition Peer-reviewed

    Yoshiyuki Tsuchiya, Daisuke Ando, Yuji Sutou, Junichi Koike

    Japanese Journal of Applied Physics 53 (5 SPEC. ISSUE 2) 05GA10 2014/05

    DOI: 10.7567/JJAP.53.05GA10  

    ISSN: 0021-4922

    eISSN: 1347-4065

  157. Multiple phase change structure for the scalable phase change random access memory array Peer-reviewed

    Jung Min Lee, Yuta Saito, Yuji Sutou, Junichi Koike, Jin Won Jung, Masashi Sahashi, Yun Heub Song

    Japanese Journal of Applied Physics 53 (4) 041801 2014/04

    DOI: 10.7567/JJAP.53.041801  

    ISSN: 0021-4922

    eISSN: 1347-4065

  158. The role of deformation twinning in the fracture behavior and mechanism of basal textured magnesium alloys Peer-reviewed

    D. Ando, J. Koike, Y. Sutou

    Materials Science and Engineering A 600 145-152 2014/04

    DOI: 10.1016/j.msea.2014.02.010  

    ISSN: 0921-5093

    eISSN: 1873-4936

  159. Effects of O<inf>2</inf> and N<inf>2</inf> flow rate on the electrical properties of Fe-O-N thin films Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Materials Transactions 55 (10) 1606-1610 2014

    DOI: 10.2320/matertrans.M2014089  

    ISSN: 1345-9678

    eISSN: 1347-5320

  160. Barrier properties of CVD Mn oxide layer to Cu diffusion for 3-D TSV Peer-reviewed

    Kang Wook Lee, Hao Wang, Ji Cheol Bea, Mariappan Murugesan, Yuji Sutou, Takafumi Fukushima, Tetsu Tanaka, Junichi Koike, Mitsumasa Koyanagi

    IEEE Electron Device Letters 35 (1) 114-116 2014/01

    DOI: 10.1109/LED.2013.2287879  

    ISSN: 0741-3106

    eISSN: 1558-0563

  161. Friction properties of medical metallic alloys on soft tissue-mimicking poly(vinyl alcohol) hydrogel biomodel Peer-reviewed

    Hiroyuki Kosukegawa, Vincent Fridrici, Philippe Kapsa, Yuji Sutou, Koshi Adachi, Makoto Ohta

    Tribology Letters 51 (3) 311-321 2013/09

    DOI: 10.1007/s11249-013-0165-3  

    ISSN: 1023-8883

  162. Origin of the unusual reflectance and density contrasts in the phase-change material Cu<inf>2</inf>GeTe<inf>3</inf> Peer-reviewed

    J. M. Skelton, K. Kobayashi, Y. Sutou, S. R. Elliott

    Applied Physics Letters 102 (22) 224105-1-224105-4 2013/06/03

    DOI: 10.1063/1.4809598  

    ISSN: 0003-6951

  163. Grain size dependence of pseudoelasticity in polycrystalline Cu-Al-Mn-based shape memory sheets Peer-reviewed

    Y. Sutou, T. Omori, R. Kainuma, K. Ishida

    Acta Materialia 61 (10) 3842-3850 2013/06

    DOI: 10.1016/j.actamat.2013.03.022  

    ISSN: 1359-6454

  164. Investigation of a selective switching device using a phase-change material for a 3-dimensional PCRAM array Peer-reviewed

    Jung Min Lee, Yun Heub Song, Yuta Saito, Yuji Sutou, Junichi Koike

    Journal of the Korean Physical Society 62 (9) 1258-1263 2013/05

    DOI: 10.3938/jkps.62.1258  

    ISSN: 0374-4884

    eISSN: 1976-8524

  165. Simultaneous formation of a metallic Mn layer and a MnO<inf>x</inf>/ MnSi<inf>x</inf>O<inf>y</inf> barrier layer by chemical vapor deposition at 250°C Peer-reviewed

    Atsuko Kurokawa, Yuji Sutou, Junichi Koike, Tatsufumi Hamada, Kenji Matsumoto, Hiroyuki Nagai, Kaoru Maekawa, Hiroki Kanato

    Japanese Journal of Applied Physics 52 (5 PART 4) 05FA02-1-05FA02-3 2013/05

    DOI: 10.7567/JJAP.52.05FA02  

    ISSN: 0021-4922

    eISSN: 1347-4065

  166. Effectiveness of superelastic bars for seismic rehabilitation of clay-unit masonry walls Peer-reviewed

    Kshitij C. Shrestha, Yoshikazu Araki, Takuya Nagae, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Earthquake Engineering and Structural Dynamics 42 (5) 725-741 2013/04

    DOI: 10.1002/eqe.2241  

    ISSN: 0098-8847

    eISSN: 1096-9845

  167. Optical contrast and laser-induced phase transition in GeCu <inf>2</inf>Te<inf>3</inf> thin film Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Applied Physics Letters 102 (5) 051910-1-051910-4 2013/02/04

    DOI: 10.1063/1.4791567  

    ISSN: 0003-6951

  168. Feasibility of Cu-Al-Mn superelastic alloy bars as reinforcement elements in concrete beams Peer-reviewed

    Kshitij C. Shrestha, Yoshikazu Araki, Takuya Nagae, Yuji Koetaka, Yusuke Suzuki, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Smart Materials and Structures 22 (2) 025025 2013/02

    DOI: 10.1088/0964-1726/22/2/025025  

    ISSN: 0964-1726

    eISSN: 1361-665X

  169. Structural characterization of a manganese oxide barrier layer formed by chemical vapor deposition for advanced interconnects application on SiOC dielectric substrates Peer-reviewed

    Nguyen Mai Phuong, Yuji Sutou, Junichi Koike

    Journal of Physical Chemistry C 117 (1) 160-164 2013/01/10

    DOI: 10.1021/jp303241c  

    ISSN: 1932-7447

    eISSN: 1932-7455

  170. Effect of CVD Mn oxide layer as Cu diffusion barrier for TSV Peer-reviewed

    M. Murugesan, J. C. Bea, K. W. Lee, T. Fukushima, T. Tanaka, M. Koyanagi, Y. Sutou, H. Wang, J. Koike

    2013 IEEE International 3D Systems Integration Conference, 3DIC 2013 2013

    DOI: 10.1109/3DIC.2013.6702364  

  171. Fourfold coordinated Te atoms in amorphous GeCu <inf>2</inf>Te <inf>3</inf> phase change material Peer-reviewed

    P. Jóvári, Y. Sutou, I. Kaban, Y. Saito, J. Koike

    Scripta Materialia 68 (2) 122-125 2013/01

    DOI: 10.1016/j.scriptamat.2012.09.028  

    ISSN: 1359-6462

  172. Abnormal grain growth induced by cyclic heat treatment Peer-reviewed

    Toshihiro Omori, Tomoe Kusama, Shingo Kawata, Ikuo Ohnuma, Yuji Sutou, Yoshikazu Araki, Kiyohito Ishida, Ryosuke Kainuma

    Science 341 (6153) 1500-1502 2013

    DOI: 10.1126/science.1238017  

    ISSN: 0036-8075

    eISSN: 1095-9203

  173. The electrical and optical properties of feon thin films deposited by RF magnetron sputtering Peer-reviewed

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    Materials Transactions 54 (10) 2055-2058 2013

    DOI: 10.2320/matertrans.M2013170  

    ISSN: 1345-9678

    eISSN: 1347-5320

  174. A study on phase change characteristics of Ge-Cu-Te ternary alloy thin films

    Y, Sutou, Y. Saito, J. Koike

    Proceedings of the 24th symposium on PCOS 2012 1 45-48 2012/11/29

  175. Study of GeCu2Te3 by Hard X-ray Photoelectron Spectroscopy Peer-reviewed

    K. Kobayashi, M. Kobata, Y. Saito, Y. Sutou, J. Koike

    Proceedings of the 24th symposium on PCOS 2012 1 76-84 2012/11/29

  176. Effects of Si addition on the crystallization behaviour of GeTe phase change materials Peer-reviewed

    Y. Saito, Y. Sutou, J. Koike

    Journal of Physics D: Applied Physics 45 (40) 405302 2012/10/10

    DOI: 10.1088/0022-3727/45/40/405302  

    ISSN: 0022-3727

    eISSN: 1361-6463

  177. Alloying effects on formation of compound layer in the gaseous nitrided Fe-M binary alloys Peer-reviewed

    Fanhui Meng, Goro Miyamoto, Tadashi Furuhara, Shoko Komiyama, Yuji Sutou, Junichi Koike

    Proceedings of 20th Congress of International Federation for Heat Treatment and Surface Engineering 268-270 2012/10

  178. Improved microstructure and ohmic contact of Nb electrode on n-type 4H-SiC Peer-reviewed

    Kunhwa Jung, Yuji Sutou, Junichi Koike

    Thin Solid Films 520 (23) 6922-6928 2012/09/30

    DOI: 10.1016/j.tsf.2012.04.004  

    ISSN: 0040-6090

  179. Crystallization behaviors and structral study of amorphous GeCu2Te3 Invited

    Y. Sutou, Y. Saito, J. Koike, P. Jovari, I. Kaban

    Proceedings of EPCOS 2012 50-55 2012/07/08

  180. Composition dependence on phase change characteristics in Ge-Cu-Te ternary phase change materials

    Y. Saito, Y. Sutou, J. Koike

    Proceedings of EPCOS2012 152-153 2012/07/08

  181. Fast crystal nucleation induced by surface oxidation in Si-doped GeTe amorphous thin film Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Applied Physics Letters 100 (23) 231606 2012/06/04

    DOI: 10.1063/1.4726107  

    ISSN: 0003-6951

  182. Crystallization and electrical characteristics of Ge <inf>1</inf>Cu <inf>2</inf>Te <inf>3</inf> films for phase change random access memory Peer-reviewed

    Toshiya Kamada, Yuji Sutou, Masashi Sumiya, Yuta Saito, Junichi Koike

    Thin Solid Films 520 (13) 4389-4393 2012/04

    DOI: 10.1016/j.tsf.2012.02.025  

    ISSN: 0040-6090

  183. Rate-dependent response of superelastic Cu-Al-Mn alloy rods to tensile cyclic loads Peer-reviewed

    Yoshikazu Araki, Nao Maekawa, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Smart Materials and Structures 21 (3) 032002 2012/03

    DOI: 10.1088/0964-1726/21/3/032002  

    ISSN: 0964-1726

    eISSN: 1361-665X

  184. Crystallization process and thermal stability of Ge <inf>1</inf>Cu <inf>2</inf>Te <inf>3</inf> amorphous thin films for use as phase change materials Peer-reviewed

    Y. Sutou, T. Kamada, M. Sumiya, Y. Saito, J. Koike

    Acta Materialia 60 (3) 872-880 2012/02

    DOI: 10.1016/j.actamat.2011.10.048  

    ISSN: 1359-6454

  185. Simultaneous formation of a metallic Mn layer and a MnO<inf>x</inf> / MnSi<inf>x</inf>O<inf>y</inf> barrier layer by chemical vapor deposition at 250°C Peer-reviewed

    A. Kurokawa, Y. Sutou, J. Koike, T. Hamada, K. Matsumoto, H. Nagai, K. Maekawa, H. Kanato

    Advanced Metallization Conference (AMC) 109-117 2012

    ISSN: 1540-1766

  186. Crystallization behavior and resistance change in eutectic Si <inf>15</inf>Te <inf>85</inf> amorphous films Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Thin Solid Films 520 (6) 2128-2131 2012/01/01

    DOI: 10.1016/j.tsf.2011.09.012  

    ISSN: 0040-6090

  187. The thickness-ratio effects of Ni/Nb electrode on wire bonding strength with n-type 4H-SiC Peer-reviewed

    Kunhwa Jung, Daisuke Ando, Yuji Sutou, Tetsuya Oyamada, Masamoto Tanaka, Junichi Koike

    Materials Science Forum 717-720 829-832 2012

    DOI: 10.4028/www.scientific.net/MSF.717-720.829  

    ISSN: 0255-5476

    eISSN: 1662-9752

  188. Multiresistance characteristics of PCRAM with Ge <inf>1</inf>Cu <inf>2</inf>Te <inf>3</inf> and Ge <inf>2</inf> Sb <inf>2</inf>Te <inf>5</inf> films Peer-reviewed

    Yuta Saito, Yun Heub Song, Jung Min Lee, Yuji Sutou, Junichi Koike

    IEEE Electron Device Letters 33 (10) 1399-1401 2012

    DOI: 10.1109/LED.2012.2210534  

    ISSN: 0741-3106

  189. Effect of nitrogen content on the microstructure and mechanical properties of Ti-Mo-N coating films Peer-reviewed

    Shoko Komiyama, Yuji Sutou, Junichi Koike

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 42 (11) 3310-3315 2011/11

    DOI: 10.1007/s11661-010-0522-x  

    ISSN: 1073-5623

  190. Phase change characteristics of Ge1Cu2Te3 films for use as phase change material Invited

    Y. Sutou, Y. Saito, T. Kamada, M. Sumiya, J. Koike

    European Symposium on Phase Change and Ovonic Science proceedings 2011/09/04

  191. Crystallization behaviors of Si-doped GeTe phase change materials

    Y. Saito, Y. Sutou, J. Koike

    Proceedings of EPCOS 2012 197-198 2011/09/04

  192. Hard X-ray photoelectron spectroscopy of crystalline and amorphous Ge1Cu2Te3 Invited

    K. Kobayashi, M. Kobata, I. Pis, S. Ueda, Y. Sutou, Y. Saito, J. Koike

    Proceedings of EPCOS 2012 40-43 2011/09/04

  193. Effects of adsorbed moisture in SiO<inf>2</inf> substrates on the formation of a Mn oxide layer by chemical vapor deposition Peer-reviewed

    Nguyen Mai Phuong, Koji Neishi, Yuji Sutou, Junichi Koike

    Journal of Physical Chemistry C 115 (34) 16731-16736 2011/09/01

    DOI: 10.1021/jp201299w  

    ISSN: 1932-7447

    eISSN: 1932-7455

  194. Applicability of Cu-Al-Mn shape memory alloy bars to retrofitting of historical masonry constructions Peer-reviewed

    Kshitij C. Shrestha, Yoshikazu Araki, Takuya Nagae, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Earthquake and Structures 2 (3) 233-256 2011/09

    DOI: 10.12989/eas.2011.2.3.233  

    ISSN: 2092-7614

    eISSN: 2092-7622

  195. 草間知枝、大森俊洋、大沼郁雄、須藤祐司、石田清仁、貝沼亮介 Peer-reviewed

    草間知枝, 大森俊洋, 大沼郁雄, 須藤祐司, 石田清仁, 貝沼亮介

    銅と銅合金 50 13-18 2011/08/01

  196. Cu-Al-Mn形状記憶合金の結晶粒成長 Peer-reviewed

    草間知枝, 大森俊洋, 大沼郁雄, 須藤祐司, 石田清仁, 貝沼亮介

    銅と銅合金 50 (1) 13-18 2011/08/01

    Publisher:

    ISSN: 1347-7234

  197. Cu-Al-Mn超弾性合金における熱影響と巻き爪矯正器具への応用 Peer-reviewed

    大森俊洋, 須藤祐司, 田畑伸子, 貝沼亮介, 石田清仁

    銅と銅合金 50 (1) 86-91 2011/08/01

    Publisher:

    ISSN: 1347-7234

  198. Cu-Al-Mn超弾性合金棒の機械的性質に及ぼす載荷速度の影響 Peer-reviewed

    荒木慶一, 青野翔, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    銅と銅合金 50 (1) 106-109 2011/08/01

    Publisher:

    ISSN: 1347-7234

  199. P-23: The contact properties an d TFT structures of a-IGZO TFTs combined with cu-mn alloy electrodes Peer-reviewed

    Pil Sang Yun, Mayumi Naito, Ryo Kumagai, Yuji Sutou, Junichi Koike

    Digest of Technical Papers - SID International Symposium 42 1 1177-1180 2011/06

    ISSN: 0097-966X

  200. Potential of superelastic Cu-Al-Mn alloy bars for seismic applications Peer-reviewed

    Y. Araki, T. Endo, T. Omori, Y. Sutou, Y. Koetaka, R. Kainuma, K. Ishida

    Earthquake Engineering and Structural Dynamics 40 (1) 107-115 2011/01

    DOI: 10.1002/eqe.1029  

    ISSN: 0098-8847

    eISSN: 1096-9845

  201. Roles of deformation twinning and dislocation slip in the fatigue failure mechanism of AZ31 Mg alloys Peer-reviewed

    J. Koike, N. Fujiyama, D. Ando, Y. Sutou

    Scripta Materialia 63 (7) 747-750 2010/10

    DOI: 10.1016/j.scriptamat.2010.03.021  

    ISSN: 1359-6462

  202. Phase change behavior of Ge1Cu2Te3 thin films

    Y. Sutou, T. Kamada, Y. Saito, M. Sumiya, J. Koike

    European Symposium on Phase Change and Ovonic Science proceedings 185-186 2010/09

  203. Crystallization processes of eutectic Si-Te and Ge-Te phase change materials

    Y. Saito, Y. Sutou, J. Koike

    European Symposium on Phase Change and Ovonic Science proceedings 183 (184) 2010/09

  204. Effect of heat treatment on the hardness of Ti-Mo-N films deposited by RF reactive magnetron sputtering Peer-reviewed

    Shoko Komiyama, Yuji Sutou, Junichi Koike

    Materials Transactions 51 (8) 1467-1473 2010/08

    DOI: 10.2320/matertrans.M2010119  

    ISSN: 1345-9678

    eISSN: 1347-5320

  205. Relationship between deformation twinning and surface step formation in AZ31 magnesium alloys Peer-reviewed

    D. Ando, J. Koike, Y. Sutou

    Acta Materialia 58 (13) 4316-4324 2010/08

    DOI: 10.1016/j.actamat.2010.03.044  

    ISSN: 1359-6454

  206. 43 Selective formation of a SnO2 cap layer, its growth behavior, and oxidation resistance

    Y, Fujii, Y. Sutou, K. Neishi, J. Koike

    Proceedings of Advanced Metallization Conference, 2009 118-119 2010/08/01

  207. Thin MnO barrier formation with CVD for Cu contact plug on Nickel Silicide

    K. Neishi, T. Sagawa, Y. Sutou, J. Koike

    Proceedings of Advanced Metallization Conference, 2009 3-5 2010/08/01

  208. Cu alloy TFT electrodes for advanced displays

    J. Koike, K. Hirota, P. Yun, Y. Sutou

    The proceedings of AM-FPD’10 89-91 2010/07/05

  209. P-33: Cu-Mn electrodes for a-Si TFT and its electrical characteristics Peer-reviewed

    Junichi Koike, Kazuhiko Hirota, Mayumi Naito, Pilsang Yun, Yuji Sutou

    Digest of Technical Papers - SID International Symposium 41 1 1343-1346 2010/05

    DOI: 10.1889/1.3499945  

    ISSN: 0097-966X

  210. Selective formation of a SnO<inf>2</inf> cap layer, its growth behavior, and oxidation resistance Peer-reviewed

    Yoshihito Fujii, Junichi Koike, Yuji Sutou, Zifeng Li, Koji Neishi

    Japanese Journal of Applied Physics 49 (5 PART 3) 2010/05

    DOI: 10.1143/JJAP.49.05FA02  

    ISSN: 0021-4922

    eISSN: 1347-4065

  211. 形状記憶合金の材料特性と陥入爪矯正具への応用 Peer-reviewed

    大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    靴の医学 24 147-154 2010/04/01

  212. Ferrous polycrystalline shape-memory alloy showing huge superelasticity Peer-reviewed

    Y. Tanaka, Y. Himuro, R. Kainuma, Y. Sutou, T. Omori, K. Ishida

    Science 327 (5972) 1488-1490 2010/03/19

    DOI: 10.1126/science.1183169  

    ISSN: 0036-8075

    eISSN: 1095-9203

  213. Effect of heat treatment on the hardness of Ti-Mo-N coating films deposited by RF reactive magnetron sputtering Peer-reviewed

    Shoko Komiyama, Yuji Sutou, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 74 (3) 135-141 2010/03

    DOI: 10.2320/jinstmet.74.135  

    ISSN: 0021-4876

    eISSN: 1880-6880

  214. The Relationship between Grain boundary sliding and Grain Orientation in AZ31 Magnesium Alloys at Room Temperature Peer-reviewed

    D. Ando, Y. Sutou, J. Koike

    TMS Magnesium Technology 2010 245-247 2010/03

  215. Corrigendum to: Effects of ageing on bainitic and thermally induced martensitic transformations in ductile Cu-Al-Mn-based shape memory alloys [Acta Mater. 57 (2009) 5748-5758] (DOI:10.1016/j.actamat.2009.08.003) Peer-reviewed

    Y. Sutou, N. Koeda, T. Omori, R. Kainuma, K. Ishida

    Acta Materialia 58 (5) 1895-1895 2010/03

    DOI: 10.1016/j.actamat.2009.11.005  

    ISSN: 1359-6454

  216. Effect of heat treatment on the hardness of Ti-Mo-N coating films deposited by RF reactive magnetron sputtering Peer-reviewed

    Shoko Komiyama, Yuji Sutou, Junichi Koike

    Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 74 (3) 135-141 2010/03

    DOI: 10.2320/jinstmet.74.135  

    ISSN: 0021-4876

  217. The relationships between grain boundary sliding and anisotropic dislocation plasticity in AZ31 magnesium alloys at room temperature Peer-reviewed

    D. Ando, Y. Sutou, J. Koike

    Magnesium Technology 245-247 2010

    ISSN: 1545-4150

  218. High-strength Fe-2OMn-Al-C-based alloys with low density Peer-reviewed

    Yuji Sutou, Naohide Kamiya, Reiko Umino, Lkuo Ohnuma, Kiyohito Ishida

    ISIJ International 50 (6) 893-899 2010

    DOI: 10.2355/isijinternational.50.893  

    ISSN: 0915-1559

  219. Crystallization behavior of Ge<inf>1</inf>Cu<inf>2</inf>Te<inf>3</inf> amorphous film Peer-reviewed

    Y. Sutou, T. Kamada, Y. Saito, M. Sumiya, J. Koike

    Materials Research Society Symposium Proceedings 1251 7-12 2010

    DOI: 10.1557/proc-1251-h05-08  

    ISSN: 0272-9172

  220. Electrical resistance change with crystallization in Si-Te amorphous thin films Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Materials Research Society Symposium Proceedings 1251 99-104 2010

    DOI: 10.1557/proc-1251-h06-07  

    ISSN: 0272-9172

  221. The Microstructure and Mechanical Properties of Ti-Mo-N Coating Films

    S. Komiyama, Y. Sutou, J. Koike

    Processing and Fabrication of Advanced Materials XVIII, 176th 4 2007-2016 2009/12

  222. Effects of aging on stress-induced martensitic transformation in ductile Cu-Al-Mn-based shape memory alloys Peer-reviewed

    Y. Sutou, N. Koeda, T. Omori, R. Kainuma, K. Ishida

    Acta Materialia 57 (19) 5759-5770 2009/11

    DOI: 10.1016/j.actamat.2009.08.011  

    ISSN: 1359-6454

  223. Effects of ageing on bainitic and thermally induced martensitic transformations in ductile Cu-Al-Mn-based shape memory alloys Peer-reviewed

    Y. Sutou, N. Koeda, T. Omori, R. Kainuma, K. Ishida

    Acta Materialia 57 (19) 5748-5758 2009/11

    DOI: 10.1016/j.actamat.2009.08.003  

    ISSN: 1359-6454

  224. Elastic and superelastic properties of NiFeCoGa fibers grown by micro-pulling-down method Peer-reviewed

    K. Oikawa, R. Saito, K. Anzai, H. Ishikawa, Y. Sutou, T. Omori, A. Yoshikawa, V. A. Chernenko, S. Besseghini, A. Gambardella, R. Kainuma, K. Ishida

    Materials Transactions 50 (4) 934-937 2009/04

    DOI: 10.2320/matertrans.M2009013  

    ISSN: 1345-9678

    eISSN: 1347-5320

  225. Optimization of source-drain contact process with Cu-Mn alloys Peer-reviewed

    J. Koike, M. Sano, K. Hirota, Y. Sutou, K. Neishi

    IDW '09 - Proceedings of the 16th International Display Workshops 1 275-277 2009

  226. Electrical resistance and structural changes on crystallization process of amorphous Ge-Te thin films Peer-reviewed

    Yuta Saito, Yuji Sutou, Junichi Koike

    Materials Research Society Symposium Proceedings 1160 143-148 2009

    ISSN: 0272-9172

  227. 建築用ダンパー材料としてのCu-Al-Mn超弾性合金の機械的性質 Peer-reviewed

    荒木慶一, 木村寛之, 聲高裕治, 大森俊洋, 須藤祐司

    銅と銅合金 47 (1) 73-77 2008/08/01

    Publisher:

    ISSN: 1347-7234

  228. Effects of pre-strain and heat treatment temperature on phase transformation temperature and shape recovery stress of Ti-Ni-Nb shape memory alloys for pipe joint applications Peer-reviewed

    Kazunari Uchida, Naoto Shigenaka, Toshio Sakuma, Yuji Sutou, Kiyoshi Yamauchi

    Materials Transactions 49 (7) 1650-1655 2008/07

    DOI: 10.2320/matertrans.MRA2007266  

    ISSN: 1345-9678

  229. 新しい形状記憶合金製矯正器具による陥入爪の治療 Peer-reviewed

    田畑伸子, 石橋昌也, 末武茂樹, 大森俊洋, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    皮膚科の臨床 50 (4) 491-496 2008/04/01

  230. Bi-base composite solders for mounting power semiconductor devices Peer-reviewed

    Yoshikazu Takaku, Ikuo Ohnuma, Yasushi Yamada, Yuji Yagi, Yuji Nishibe, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Journal of Japan Institute of Electronics Packaging 11 (2) 141-146 2008/03

    DOI: 10.5104/jiep.11.141  

    ISSN: 1343-9677

  231. 新しい形状記憶合金製矯正器具による陥入爪の治療 Peer-reviewed

    田畑伸子, 石橋昌也, 北純, 末武茂樹, 大森俊洋, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    靴の医学 22 (2) 65-69 2008/02/01

  232. 1016 Superplasticity in Cu-Al-Mn-Based Shape Memory Alloy

    OMORI Toshihiro, SUTOU Yuji, KOEDA Naoki, KAINUMA Ryosuke, ISHIDA Kiyohito

    The proceedings of the JSME annual meeting 2008 45-46 2008

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmemecjo.2008.1.0_45  

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    The microstructure and superplastic behavior at 450℃ and 500℃ were investigated using optical microscopy and a tensile test in Cu-Al-Mn-Ni shape memory alloy. It was found that a fine α(fcc) + β(bcc) two-phase structure with grain size of 3μm in diameter can be obtained by annealing at 600℃. The flow stress of the Cu-Al-Mn-Ni alloy is dependent on both the strain rate and the test temperature where the strain rate sensitivity is over 0.3 which exhibits superplasticity with the elongation of over several hundred percents. For the test temperature at 500℃ and the strain rate of 5×10^<-4> sec^<-1>, the maximal elongation of 1150% was obtained.

  233. 1013 Pd-In based Shape Memory Alloys

    ISHIKAWA Hiroyasu, SUTOU Yuji, OMORI Toshihiro, KAINUMA Ryosuke, YAMAUCHI Kiyoshi, ISHIDA Kiyohito

    The proceedings of the JSME annual meeting 2008 39-40 2008

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmemecjo.2008.1.0_39  

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    Martensitic transformation and superelasticity in Pd-In-Fe alloys were investigated. Pd-In-Fe alloys show martensitic transformation from a Heusler-type L2_1 ordered bcc phase to a 2M-type DO_<22> structure. It was confirmed from compressive test and three-point bending test that an almost perfect superelastic effect accompanying the stress-induced martensitic transformation can be obtained. Since high corrosion resistance and specific gravity are expected in these Pd-based shape memory alloys (SMAs), the present alloys are potentially applicable for medical devices.

  234. MnO<inf>x</inf>self-forming process for TFT electrode application Peer-reviewed

    J. Koike, M. Sano, K. Hirota, K. Neishi, Y. Sutou

    IDW '08 - Proceedings of the 15th International Display Workshops 1 103-104 2008

  235. Metamagnetic shape memory effect in NiMn-based Heusler-type alloys Peer-reviewed

    Ryosuke Kainuma, Katsunari Oikawa, Wataru Ito, Yuji Sutou, Takeshi Kanomata, Kiyohito Ishida

    Journal of Materials Chemistry 18 (16) 1837-1842 2008

    DOI: 10.1039/b713947k  

    ISSN: 0959-9428

    eISSN: 1364-5501

  236. A simple method to treat an ingrowing toenail with a shape-memory alloy device Peer-reviewed

    Masaya Ishibashi, Nobuko Tabata, Takaki Suetake, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyoshi Yamauchi, Kiyohito Ishida

    Journal of Dermatological Treatment 19 (5) 291-292 2008

    DOI: 10.1080/09546630701759595  

    ISSN: 0954-6634

    eISSN: 1471-1753

  237. Ductile Cu-Al-Mn based shape memory alloys: General properties and applications Peer-reviewed

    Y. Sutou, T. Omori, R. Kainuma, K. Ishida

    Materials Science and Technology 24 (8) 896-901 2008

    DOI: 10.1179/174328408X302567  

    ISSN: 0267-0836

  238. Superplasticity of Cu-Al-Mn-Ni shape memory alloy Peer-reviewed

    Toshihiro Omori, Naoki Koeda, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 48 (11) 2914-2918 2007/11

    DOI: 10.2320/matertrans.D-MRA2007879  

    ISSN: 1345-9678

    eISSN: 1347-5320

  239. Development of Cu-Al-Mn Based Shape Memory Alloys –Phase Stability and Microstructural Control- Peer-reviewed

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Proceedings of 62nd ABM International Annual Congress 1495-1501 2007/07

  240. Development of Cu-Al-Mn Based Shape memory Alloys -Application to Guide Wire-

    Y. Sutou, T. Omori, R. Kainuma, K. Yamauchi, K. Ishida

    Proceedings of 62nd ABM International Annual Congress 2007/07

  241. Phase equilibria and phase transition of the Ni-Fe-Ga ferromagnetic shape memory alloy system Peer-reviewed

    Katsunari Oikawa, Toshihiro Omori, Yuji Sutou, Haruhiko Morito, Ryosuke Kainuma, Kiyohito Ishida

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 38 (4) 767-776 2007/04

    DOI: 10.1007/s11661-007-9095-8  

    ISSN: 1073-5623

  242. Martensitic and magnetic transformation behaviors in Heusler-type NiMnIn and NiCoMnIn metamagnetic shape memory alloys Peer-reviewed

    W. Ito, Y. Imano, R. Kainuma, Y. Sutou, K. Oikawa, K. Ishida

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 38 (4) 759-766 2007/04

    DOI: 10.1007/s11661-007-9094-9  

    ISSN: 1073-5623

  243. Evaluation of biocompatibility for titanium-nickel shape memory alloy in vivo and in vitro environments Peer-reviewed

    Masafumi Morita, Tokiko Hashimoto, Kiyoshi Yamauchi, Yuji Sutou, Takayuki Homma, Yuji Kimura

    Materials Transactions 48 (3) 352-360 2007/03

    DOI: 10.2320/matertrans.48.352  

    ISSN: 1345-9678

    eISSN: 1347-5320

  244. Effect of heat aging on thermal and mechanical properties of Ti-Ni-Nb shape memory alloy Peer-reviewed

    Takaei Yamamoto, Toshio Sakuma, Kazunari Uchida, Yuji Sutou, Kiyoshi Yamauchi

    Materials Transactions 48 (3) 439-444 2007/03

    DOI: 10.2320/matertrans.48.439  

    ISSN: 1345-9678

    eISSN: 1347-5320

  245. Effect of Nb content on martensitic transformation temperatures and mechanical properties of Ti-Ni-Nb shape memory alloys for pipe joint applications Peer-reviewed

    Kazunari Uchida, Naoto Shigenaka, Toshio Sakuma, Yuji Sutou, Kiyoshi Yamauchi

    Materials Transactions 48 (3) 445-450 2007/03

    DOI: 10.2320/matertrans.48.445  

    ISSN: 1345-9678

    eISSN: 1347-5320

  246. 2110 Development of Ti-Mo-Sn superelastic tube

    SUZUKI Masao, FURUKAWA Akihisa, SUTOU Yuji, YAMAUCHI Kiyoshi

    The proceedings of the JSME annual meeting 2007 157-158 2007

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmemecjo.2007.1.0_157  

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    Ti-Mo-Sn alloy is superelastic alloy of Ni-free. For the development of catheter core materials, Ti-Mo-Sn alloy tube was manufactured, and the mechanical characteristic of tube was investigated. As composition of the tubes, Ti-4at.%Mo-6.5at.%Sn-0.5at.%Sc and Ti-6at.%Mo-4at.%Sn were chosen. But in Ti-6Mo-4Sn, the cold-work of the tube was possible, it was impossible in Ti-4Mo-6.5Sn-0.5Sc. As measures, drawing process at 350 degrees C was investigated. As a result, the manufacture of the tube of outer diameter 2.3mm X wall thickness 0.2mm was enabled. These tubes were evaluated by tensile test. In comparison of two composition, increase of recovery strain, and decrease of young's modulus and yield stress were obtained in the tube of Ti-4Mo-6.5Sn-0.5Sc.

  247. 2115 Development of superelastic medical guidewires with functionally graded properties

    SUTOU Yuji, OMORI Toshihiro, YAMAUCHI Kiyoshi, KAINUMA Ryosuke, KOEDA Noaki, ISHIDA Kiyohito

    The proceedings of the JSME annual meeting 2007 167-168 2007

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmemecjo.2007.1.0_167  

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    Cu-based shape memory alloys (SMAs) of the Cu-Zn- and Cu-Al-based systems are commercially attractive for the manufacture of practical applications based on the shape memory effect (SME) and superelasticity (SE) because of their low cost compared with Ti-Ni (Nitinol) SMAs. However, conventional polycrystalline Cu-based SMAs are too brittle to be sufficiently cold-worked, which restricts the attainable SE strain to only about 2%. During the last decade, we have developed ductile Cu-Al-Mn-based SMAs with excellent shape memory properties. However, the Cu-Al-Mn-based SMAs show low fatigue strength. In the present study, effect of ageing treatment on the mechanical properties for the Cu-Al-Mn-based SMA was investigated by tensile testing. It was seen that the yield stress and the tensile strength of the Cu-Al-Mn-based SMA drastically increase with the ageing without the associated loss in the superelasticity.

  248. Possibility of Cu-Mn alloy for TFT gate electrodes Peer-reviewed

    J. Koike, K. Neishi, J. Iijima, Y. Sutou

    IDW '07 - Proceedings of the 14th International Display Workshops 3 2037-2040 2007

  249. Fundamental and applied aspects of newly developed Cu-Al-Mn-based shape memory alloys Peer-reviewed

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Materials Science and Technology Conference and Exhibition, MS and T'07 - "Exploring Structure, Processing, and Applications Across Multiple Materials Systems" 4 2117-2126 2007

  250. Pd-In-Fe shape memory alloy Peer-reviewed

    H. Ishikawa, Y. Sutou, T. Omori, K. Oikawa, K. Ishida, A. Yoshikawa, R. Y. Umetsu, R. Kainuma

    Applied Physics Letters 90 (26) 261906 2007

    DOI: 10.1063/1.2749440  

    ISSN: 0003-6951

  251. Application of Ni-free Ti-Mo-Sn shape memory alloys to medical tools Peer-reviewed

    Y. Sutou, A. Furukawa, M. Suzuki, K. Yamauchi, M. Nishida

    TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 32, NO 3 32 (3) 639-642 2007

  252. Thermomechanical properties of Ti-Mo-Sn alloys Peer-reviewed

    T. Yamamoto, Y. Shimizu, Y. Matsunaga, Y. Sutou, K. Yamauchi, T. Sakuma

    TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 32, NO 3 32 (3) 623-626 2007

  253. Effects of grain size and texture on damping properties of Cu-Al-Mn-based shape memory alloys Peer-reviewed

    Y. Sutou, T. Omori, N. Koeda, R. Kainuma, K. Ishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 743-746 2006/11/25

    DOI: 10.1016/j.msea.2006.02.085  

    ISSN: 0921-5093

  254. Martensitic and magnetic transformations of Ni-Ga-Fe-Co ferromagnetic shape memory alloys Peer-reviewed

    Y. Imano, T. Omori, K. Oikawa, Y. Sutou, R. Kainuma, K. Ishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 970-973 2006/11/25

    DOI: 10.1016/j.msea.2006.02.080  

    ISSN: 0921-5093

  255. Shape memory and magnetic properties of Co-Al ferromagnetic shape memory alloys Peer-reviewed

    T. Omori, Y. Sutou, K. Oikawa, R. Kainuma, K. Ishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 1045-1049 2006/11/25

    DOI: 10.1016/j.msea.2005.12.068  

    ISSN: 0921-5093

  256. Martensitic transition and superelasticity of Co-Ni-Al ferromagnetic shape memory alloys with β + γ two-phase structure Peer-reviewed

    Y. Tanaka, K. Oikawa, Y. Sutou, T. Omori, R. Kainuma, K. Ishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 1054-1060 2006/11/25

    DOI: 10.1016/j.msea.2006.05.021  

    ISSN: 0921-5093

  257. Martensitic transformation and shape memory effect in ausaged Fe-Ni-Si-Co alloys Peer-reviewed

    Y. Tanaka, Y. Himuro, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 1030-1035 2006/11/25

    DOI: 10.1016/j.msea.2006.02.103  

    ISSN: 0921-5093

  258. Mechanical properties of Ti-6 at.% Mo-4 at.% Sn alloy wires and their application to medical guidewire Peer-reviewed

    Y. Sutou, K. Yamauchi, T. Takagi, T. Maeshima, M. Nishida

    Materials Science and Engineering A 438-440 (SPEC. ISS.) 1097-1100 2006/11/25

    DOI: 10.1016/j.msea.2006.01.116  

    ISSN: 0921-5093

  259. Effect of pre-strain on martensitic transformation in a Ti47.6Ni46.4Nb6.0 superelastic alloy

    T. Takagi, Y. Sutou, M. Suzuki, R. Kainuma, K. Yamauchi, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 705-710 2006/11

  260. Development of Ni-free Ti-Mo-Sn superelastic alloys and their application to medical devices

    A. Furukawa, Y. Sutou, M. Suzuki, K. Yamauchi, T. Takagi, M. Nishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 724-727 2006/11

  261. Mechanical Properties of Cu-Al-Mn-based alloys and their application to medical guidewire

    Y. Sutou, T. Omori, M. Suzuki, A. Furukawa, K. Yamauchi, R. Kainuma, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 524-529 2006/11

  262. Development of balloon expandable Ti-Ni-Nb superelastic stent

    M. Suzuki, Y. Sutou, T. Takagi, A. Furukawa, K. Yamauchi

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 724-727 2006/11

  263. Martensitic Transformation and Shape Memory Properties in Au-Cu-Al based Alloys

    E. Sato, W. Ito, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 557-580 2006/11

  264. Effect of Alloying Elements on fcc/hcp Martensitic Transformation and Shape Memory Properties in Co-Al Alloys

    K. Ando, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 654-657 2006/11

  265. Martensitic and magnetic transformation behaviors in Heusler-type NiMnIn and NiCoMnIn metamagnetic shape memory alloys and NiCoMnIn metamagnetic shape memory alloys

    W. Ito, R. Kainuma, Y. Sutou, K. Oikawa, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 662-665 2006/11

  266. Alloy Design and Microstructural Control in Ductile Cu-Al-Mn-Based Shape Memory Alloys

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Proceedings of the 13th National Symposium on Phase Diagrams Proceedings of the 13th Nation 394-400 2006/11

  267. Pb-free high temperature solders for power device packaging Peer-reviewed

    Y. Yamada, Y. Takaku, Y. Yagi, Y. Nishibe, I. Ohnuma, Y. Sutou, R. Kainuma, K. Ishida

    Microelectronics Reliability 46 (9-11) 1932-1937 2006/09

    DOI: 10.1016/j.microrel.2006.07.083  

    ISSN: 0026-2714

  268. Effect of alloying elements on fcc/hcp martensitic transformation and shape memory properties in Co-Al alloys Peer-reviewed

    Keisuke Ando, Toshihiro Omori, Jun Sato, Yuji Sutou, Katsunari Oikawa, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 47 (9) 2381-2386 2006/09

    DOI: 10.2320/matertrans.47.2381  

    ISSN: 1345-9678

    eISSN: 1347-5320

  269. High maneuverability guidewire with functionally graded properties using new superelastic alloys Peer-reviewed

    Y. Sutou, K. Yamauchi, M. Suzuki, A. Furukawa, T. Omori, T. Takagi, R. Kainuma, M. Nishida, K. Ishida

    Minimally Invasive Therapy and Allied Technologies 15 (4) 204-208 2006/08

    DOI: 10.1080/13645700600836109  

    ISSN: 1364-5706

    eISSN: 1365-2931

  270. Effect of magnetic field on martensitic transition of Ni <inf>46</inf>Mn<inf>41</inf>In<inf>13</inf> Heusler alloy Peer-reviewed

    K. Oikawa, W. Ito, Y. Imano, Y. Sutou, R. Kainuma, K. Ishida, S. Okamoto, O. Kitakami, T. Kanomata

    Applied Physics Letters 88 (12) 122507 2006/03/20

    DOI: 10.1063/1.2187414  

    ISSN: 0003-6951

  271. Magnetic-field-induced shape recovery by reverse phase transformation Peer-reviewed

    R. Kainuma, Y. Imano, W. Ito, Y. Sutou, H. Morito, S. Okamoto, O. Kitakami, K. Oikawa, A. Fujita, T. Kanomata, K. Ishida

    Nature 439 (7079) 957-960 2006/02/23

    DOI: 10.1038/nature04493  

    ISSN: 0028-0836

    eISSN: 1476-4687

  272. Experimental determination and thermodynamic calculation of phase equilibria in the Fe-Mn-Al system Peer-reviewed

    R. Umino, X. J. Liu, Y. Sutou, C. P. Wang, I. Ohnuma, R. Kainuma, K. Ishida

    Journal of Phase Equilibria and Diffusion 27 (1) 54-62 2006/02

    DOI: 10.1361/105497106X92817  

    ISSN: 1547-7037

  273. Effect of prestrain on martensitic transformation in a Ti <inf>46.4</inf>Ni<inf>47.6</inf>Nb<inf>6.0</inf> superelastic alloy and its application to medical stents Peer-reviewed

    T. Takagi, Y. Sutou, R. Kainuma, K. Yamauchi, K. Ishida

    Journal of Biomedical Materials Research - Part B Applied Biomaterials 76 (1) 179-183 2006/01

    DOI: 10.1002/jbm.b.30415  

    ISSN: 0021-9304

  274. Cu-Al-Mn-Ni形状記憶合金の超塑性 Peer-reviewed

    大森俊洋, 肥田直樹, 須藤祐司, 貝沼亮介, 石田清仁

    銅と銅合金 45 (1) 282-286 2006

    Publisher:

    ISSN: 1347-7234

  275. Effects of aging and co addition on martensitic and magnetic transitions in Ni-Al-Fe β-based shape memory alloys Peer-reviewed

    Katsunari Oikawa, Yuuki Tanaka, Yuji Sutou, Toshihiro Omori, Luo Fenghua, Ryosuke Kainuma, Kiyohito Ishida

    ISIJ International 46 (9) 1287-1291 2006

    DOI: 10.2355/isijinternational.46.1287  

    ISSN: 0915-1559

  276. 機能傾斜型超弾性合金の医療用ガイドワイヤーへの適用

    須藤祐司, 大森俊洋, 鈴木正夫, 古川明久, 山内清, 貝沼亮介, 石田清仁, 西田稔

    日本機械学会M&M2006材料力学カンファレンス講演論文集 6 (4) 101-102 2006

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmezairiki.2006.0_101  

    More details Close

    Nitinol shape memory alloys (SMAs) are attracting considerable attention as core materials for medical guidewires because of their excellent flexibility and shape retention. However, since Nitinol guidewires possess low rigidity, the pushability and torquability of the guidewires are insufficient. On the other hand, although stainless steel guidewires have high pushability, plastic deformation easily occurs. We have developed a new class of superelastic guidewires with functionally graded properties from the tip to the end by using new SMA core materials such as Cu-Al-Mn-based or Ti-Mo-Sn SMAs. The tip portion of the guidewire shows excellent superelasticity (SE), while the body portion possesses high rigidity. These functionally graded characteristics can be realized by microstructural control. These guidewires show excellent pushability and torquability and are considerably easier to handle than conventional guidewires. Moreover, a metallic catheter using a Ni-free Ti-based SMA with high biocompatibility is introduced.

  277. 冷間圧延制御による形状記憶合金の多機能化

    大森俊洋, 王継傑, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    日本機械学会M&M2006材料力学カンファレンス講演論文集 6 (4) 99-100 2006

    Publisher: The Japan Society of Mechanical Engineers

    DOI: 10.1299/jsmezairiki.2006.0_99  

  278. Development of Cu-Al-Mn-based shape memory alloys

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Proceedings of the international conference Copper’06 Proc. of Copper'06 194-202 2006

  279. Development of superelastic guidewire with functionally graded property using Cu-Al-Mn-based shape memory alloy

    Y. Sutou, T. Omori, M. Suzuki, A. Furukawa, K. Yamauchi, R. Kainuma, K. Ishida

    Proceedings of the international conference Copper’06 Proc. of Copper'06 307-313 2006

  280. Effect of prestrain on martensitic transformation in a Ti46.4Ni47.6Nb6.0 superelastic alloy and its application to medical stents Peer-reviewed

    T Takagi, Y Sutou, R Kainuma, K Yamauchi, K Ishida

    JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS 76B (1) 179-183 2006/01

    DOI: 10.1002/jbm.b.30415  

    ISSN: 1552-4973

  281. Metamagnetic shape memory effect in a Heusler-type Ni<inf>43</inf>Co <inf>7</inf>Mn<inf>39</inf>Sn<inf>11</inf> polycrystalline alloy Peer-reviewed

    R. Kainuma, Y. Imano, W. Ito, H. Morito, Y. Sutou, K. Oikawa, A. Fujita, K. Ishida, S. Okamoto, O. Kitakami, T. Kanomata

    Applied Physics Letters 88 (19) 192513 2006

    DOI: 10.1063/1.2203211  

    ISSN: 0003-6951

  282. Effect of grain size and texture on pseudoelasticity in Cu-Al-Mn-based shape memory wire Peer-reviewed

    Y. Sutou, T. Omori, K. Yamauchi, N. Ono, R. Kainuma, K. Ishida

    Acta Materialia 53 (15) 4121-4133 2005/09

    DOI: 10.1016/j.actamat.2005.05.013  

    ISSN: 1359-6454

  283. Martensitic transformation of Cu-10at.%Al-9at.%Ga-11at.%Mn ferromagnetic β alloy Peer-reviewed

    N. Koeda, Y. Sutou, T. Omori, K. Oikawa, R. Kainuma, K. Ishida

    Scripta Materialia 52 (11) 1153-1156 2005/06

    DOI: 10.1016/j.scriptamat.2005.01.042  

    ISSN: 1359-6462

  284. Shape memory effect in the ferromagnetic Co-14 at.% Al alloy Peer-reviewed

    T. Omori, Y. Sutou, K. Oikawa, R. Kainuma, K. Ishida

    Scripta Materialia 52 (7) 565-569 2005/04

    DOI: 10.1016/j.scriptamat.2004.12.001  

    ISSN: 1359-6462

  285. Influence of Co addition on martensitic and magnetic transitions in Ni-Fe-Ga β based shape memory alloys Peer-reviewed

    Katsunari Oikawa, Yousuke Imano, Volodymyr A. Chernenko, Fenghua Luo, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Takeshi Kanomata, Kiyohito Ishida

    Materials Transactions 46 (3) 734-737 2005/03

    DOI: 10.2320/matertrans.46.734  

    ISSN: 1345-9678

    eISSN: 1347-5320

  286. Two-way shape memory effect induced by cold-rolling in Ti-Ni and Ti-Ni-Fe alloys Peer-reviewed

    J. J. Wang, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Scripta Materialia 52 (4) 311-316 2005/02

    DOI: 10.1016/j.scriptamat.2004.10.009  

    ISSN: 1359-6462

  287. Effective magnetic properties of Fe-NiTi (FSMA) particulate composite Peer-reviewed

    S. Gururaja, M. Taya, H. Nakayama, Y. S. Kang, A. Kawasaki, Y. Sutou

    Proceedings of SPIE - The International Society for Optical Engineering 5761 548-556 2005

    DOI: 10.1117/12.600194  

    ISSN: 0277-786X

  288. マルテンサイト変態制御による新しいタイプのCu基インバー合金の開発 Peer-reviewed

    大森俊洋, 王継傑, 須藤祐司, 貝沼亮介, 石田清仁

    銅と銅合金 44 (1) 149-154 2005

    Publisher:

    ISSN: 1347-7234

  289. 自律機能型ステントの開発

    山内清, 須藤祐司, 高木隆光, 鈴木正夫, スーザンファルジャミ

    電気学会研究会バイオ・マイクロシステム研究会論文集 BMS-05-26-32 19-22 2005

  290. Damping properties of ductile Cu-Al-Mn-based shape memory alloys Peer-reviewed

    Naoki Koeda, Toshihiro Omori, Yuji Sutou, Hidekazu Suzuki, Masami Wakita, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 46 (1) 118-122 2005/01

    DOI: 10.2320/matertrans.46.118  

    ISSN: 1345-9678

    eISSN: 1347-5320

  291. Magnetic and martensitic transformations of NiMnX(X=In, Sn, Sb) ferromagnetic shape memory alloys Peer-reviewed

    Y. Sutou, Y. Imano, N. Koeda, T. Omori, R. Kainuma, K. Ishida, K. Oikawa

    Applied Physics Letters 85 (19) 4358-4360 2004/11/08

    DOI: 10.1063/1.1808879  

    ISSN: 0003-6951

  292. Magnetic field-induced reversible variant rearrangement in Fe-Pd single crystals Peer-reviewed

    Tokujiro Yamamoto, Minoru Taya, Yuji Sutou, Yuanchang Liang, Taishi Wada, Larry Sorensen

    Acta Materialia 52 (17) 5083-5091 2004/10/04

    DOI: 10.1016/j.actamat.2004.07.014  

    ISSN: 1359-6454

  293. Microstructure and thermal expansion properties of invar-type Cu-Zn-Al shape memory alloys Peer-reviewed

    J. J. Wang, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Journal of Electronic Materials 33 (10) 1098-1102 2004/10

    DOI: 10.1007/s11664-004-0110-1  

    ISSN: 0361-5235

  294. Martensitic transformation and magnetic properties of Cu-Ga-Mn β alloys Peer-reviewed

    Katsunari Oikawa, Naoki Koeda, Yuji Sutou, Toshihiro Omori, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 45 (8) 2780-2784 2004/08

    DOI: 10.2320/matertrans.45.2780  

    ISSN: 1345-9678

    eISSN: 1347-5320

  295. Characteristics of Cu-Al-Mn-based shape memory alloys and their applications Peer-reviewed

    Y. Sutou, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    Materials Science and Engineering A 378 (1-2 SPEC. ISS.) 278-282 2004/07/25

    DOI: 10.1016/j.msea.2003.12.048  

    ISSN: 0921-5093

  296. Phase transformations in Ni-Ga-Fe ferromagnetic shape memory alloys Peer-reviewed

    T. Omori, N. Kamiya, Y. Sutou, K. Oikawa, R. Kainuma, K. Ishida

    Materials Science and Engineering A 378 (1-2 SPEC. ISS.) 403-408 2004/07/25

    DOI: 10.1016/j.msea.2003.10.366  

    ISSN: 0921-5093

  297. Development of Medical Guide Wire of Cu-Al-Mn-Base Superelastic Alloy with Functionally Graded Characteristics Peer-reviewed

    Yuji Sutou, Toshihiro Omori, Akihisa Furukawa, Yukinori Takahashi, Ryosuke Kainuma, Kiyoshi Yamauchi, Shuzo Yamashita, Kiyohito Ishida

    Journal of Biomedical Materials Research - Part B Applied Biomaterials 69 (1) 64-69 2004/04

    DOI: 10.1002/jbm.b.10079  

    ISSN: 0021-9304

  298. Stress-strain characteristics in Ni-Ga-Fe ferromagnetic shape memory alloys Peer-reviewed

    Y. Sutou, N. Kamiya, T. Omori, R. Kainuma, K. Ishida, K. Oikawa

    Applied Physics Letters 84 (8) 1275-1277 2004/02/23

    DOI: 10.1063/1.1642277  

    ISSN: 0003-6951

  299. Development of Cu-Al-Mn-Based Guidewire with Functionally Graded Property Peer-reviewed

    Y. Sutou, T. Omori, A. Furukawa, Y. Takahashi, R. Kainuma, K. Yamauchi, S. Yamashita, K. Ishida

    Journal of Biomedical Materials Research Part B 69B 64-69 2004

  300. Shape memory effect associated with FCC-HCP martensitic transformation on Co-Al alloys Peer-reviewed

    Toshihiro Omori, Yuji Sutou, Katsunari Oikawa, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 44 (12) 2732-2735 2003/12

    DOI: 10.2320/matertrans.44.2732  

    ISSN: 1345-9678

    eISSN: 1347-5320

  301. Effect of grain size and texture on superelasticity of Cu-Al-Mn-based shape memory alloys Peer-reviewed

    Y. Sutou, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    Journal De Physique. IV : JP 112 I (Part1) 511-514 2003/10

    DOI: 10.1051/jp4:2003936  

    ISSN: 1155-4339

  302. Development of the Co-Ni-Al ferromagnetic shape memory alloys Peer-reviewed

    K. Oikawa, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    Journal De Physique. IV : JP 112 II (Part2) 1017-1020 2003/10

    DOI: 10.1051/jp4:20031054  

    ISSN: 1155-4339

  303. Effect of microstructure on two-way shape memory effect in Cu-Al-Mn alloys Peer-reviewed

    T. Omori, Y. Sutou, J. J. Wang, R. Kainuma, K. Ishida

    Journal De Physique. IV : JP 112 I (Part1) 507-510 2003/10

    DOI: 10.1051/jp4:2003935  

    ISSN: 1155-4339

  304. Magnetic field-induced reversible actuation using ferromagnetic shape memory alloys Peer-reviewed

    Yuanchang Liang, Yuji Sutou, Taishi Wada, Cheng Chun Lee, M. Taya, T. Mori

    Scripta Materialia 48 (10) 1415-1419 2003/05

    DOI: 10.1016/S1359-6462(03)00110-6  

    ISSN: 1359-6462

  305. Cu-Al-Mn-based Shape Memory Alloys and their applications Peer-reviewed

    Y. Sutou, N. Koeda, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    Metals Materials and Processes 15 131-148 2003/04

  306. 高加工性Cu-Al-Mn基形状記憶合金の開発 Peer-reviewed

    須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁, 山内 清

    まてりあ 42 (11) 813-821 2003/04

    Publisher: The Japan Institute of Metals and Materials

    DOI: 10.2320/materia.42.813  

    ISSN: 1340-2625

  307. 高延性Cu-Al-Mn基形状記憶合金の制振特性 Peer-reviewed

    大森俊洋, 肥田直樹, 須藤祐司, 鈴木秀和, 脇田将見, 貝沼亮介, 石田清仁

    銅と銅合金 42 (1) 198-201 2003

    Publisher:

    ISSN: 1347-7234

  308. Martensitic transformation behavior under magnetic field in Co-Ni-Al ferromagnetic shape memory alloys Peer-reviewed

    Y. Sutou, R. Kainuma, K. Ishida, M. Taya

    Proceedings of SPIE - The International Society for Optical Engineering 5053 159-168 2003

    DOI: 10.1117/12.484349  

    ISSN: 0277-786X

  309. Development of Cu-Al-Mn-based superelastic guidewire with functionally graded property Peer-reviewed

    Y. Sutou, T. Omori, R. Kainuma, K. Ishida, A. Furukawa, Y. Takahashi, K. Yamauchi, S. Yamashita

    Medical Device Materials - Proceedings of the Materials and Processes for Medical Devices Conference 2003 Proceeding of ASM 2003 495-500 2003

  310. Enhancement of superelasticity in Cu-Al-Mn-Ni shape-memory alloys by texture control Peer-reviewed

    Y. Sutou, T. Omori, R. Kainuma, K. Ishida, N. Ono

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 33 (9) 2817-2824 2002/09

    DOI: 10.1007/s11661-002-0267-2  

    ISSN: 1073-5623

  311. Magnetic and martensitic phase transformations in a Ni<inf>54</inf>Ga<inf>27</inf>Fe<inf>19</inf> alloy Peer-reviewed

    Katsunari Oikawa, Takuya Ota, Yuji Sutou, Toshihiro Ohmori, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 43 (9) 2360-2362 2002/09

    DOI: 10.2320/matertrans.43.2360  

    ISSN: 1345-9678

    eISSN: 1347-5320

  312. Two-way shape memory effect induced by bending deformation in ductile Cu-Al-Mn alloys Peer-reviewed

    Toshihiro Omori, Jijie Wang, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Materials Transactions 43 (7) 1676-1683 2002/07

    DOI: 10.2320/matertrans.43.1676  

    ISSN: 1345-9678

    eISSN: 1347-5320

  313. Invar-type effect induced by cold-rolling deformation in shape memory alloys Peer-reviewed

    R. Kainuma, J. J. Wang, T. Omori, Y. Sutou, K. Ishida

    Applied Physics Letters 80 (23) 4348-4350 2002/06/10

    DOI: 10.1063/1.1485118  

    ISSN: 0003-6951

  314. Effect of grain refinement on the mechanical and shape memory properties of Cu-Al-Mn base alloys Peer-reviewed

    Y. Sutou, T. Omori, T. Okamoto, R. Kainuma, K. Ishida

    Journal De Physique. IV : JP 11 (8) 185-190 2001/11

    DOI: 10.1051/jp4:2001832  

    ISSN: 1155-4339

  315. Microstructure Control of Ductile Cu-Al-Mn Shape Memory Alloys Peer-reviewed

    T. Omori, Y. Sutou, T. Okamoto, R. Kainuma, K. Ishida

    Transactions of Materials Research Society of Japan 26 227-230 2001

  316. Two-way shape memory effect in ductile Cu-Al-Mn alloys

    T Omori, JJ Wang, Y Sutou, R Kainuma, K Ishida

    PRICM 4: FORTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, VOLS I AND II PRICM4 1887-1890 2001

  317. Ordering, martensitic and ferromagnetic transformations in Ni-Al-Mn heusler shape memory alloys Peer-reviewed

    Ryosuke Kainuma, Fumihiko Gejima, Yuji Sutou, Ikuo Ohnuma, Kiyohito Ishida

    Materials Transactions, JIM 41 (8) 943-949 2000/08

    DOI: 10.2320/matertrans1989.41.943  

    ISSN: 0916-1821

  318. Effect of Co addition on the ordering and martensitic transformations in Cu-Al-Mn shape memory alloys Peer-reviewed

    Y. Sutou, R. Kainuma, K. Ishida

    Materials Science Forum 327 (3) 473-476 2000

    DOI: 10.4028/www.scientific.net/msf.327-328.473  

    ISSN: 0255-5476

  319. Cu-Al-Mn系形状記憶合金の結晶粒微細化と擬弾性特性におよぼすVとCr添加の影響 Peer-reviewed

    須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁

    銅と銅合金 39 150-156 2000

    Publisher:

    ISSN: 0370-985X

  320. Effect of alloying elements on the shape memory properties of ductile Cu-Al-Mn alloys Peer-reviewed

    Y. Sutou, R. Kainuma, K. Ishida

    Materials Science and Engineering A 273-275 375-379 1999/12/15

    DOI: 10.1016/s0921-5093(99)00301-9  

    ISSN: 0921-5093

  321. Magnetic transformation of Ni<inf>2</inf>AlMn Heusler-type shape memory alloys Peer-reviewed

    F. Gejima, Y. Sutou, R. Kainuma, K. Ishida

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 30 (10) 2721-2723 1999

    DOI: 10.1007/s11661-999-0312-5  

    ISSN: 1073-5623

  322. Ordering and martensitic transformations of Ni<inf>2</inf>AlMn Heusler alloys Peer-reviewed

    Y. Sutou, I. Ohnuma, R. Kainuma, K. Ishida

    Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 29 A (8) 2225-2227 1998/08

    DOI: 10.1007/s11661-998-0047-8  

    ISSN: 1073-5623

  323. Development of a New Type of Cu-Base Shape Memory Alloys with Enhanced Ductility

    R. Kainuma, S. Takahashi, Y. Sutou, K. Ishida

    Proceeding of China-Japan Bilateral Symposium on Shape Memory Alloys Proceeding of China-Japan Bila 177-182 1998

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    日本金属学会講演大会(Web) 174th 2024

  4. Effect of sputtering condition on constituent phase and electrical property of MnTe2 film

    李世元, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 172nd 2023

  5. Cu微粒子の酸化焼結メカニズム

    竹内喬亮, 安藤大輔, 小池淳一, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 172nd 2023

  6. Electrical properties study of Si-doped GeTe

    姜信英, 金美賢, 逸双, 逸双, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 172nd 2023

  7. Cr-Mn-Te多形変化薄膜の不揮発性相変化メモリへの応用可能性

    金美賢, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 172nd 2023

  8. Piezoresistive effect of Cr2Ge2Te6 crystalline film during tensile test

    王吟麗, 双逸, 中嶋真優, 安藤大輔, 成田史生, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 172nd 2023

  9. Al-Cu合金の高温強度におけるチタンおよびバナジウムの影響

    黄晋賢, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 173rd 2023

  10. In-situ synthesisによる高剛性Mg-Li-Al-Ca基複合材料の開発

    岩岡葵, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 173rd 2023

  11. The electrical resistance change behaviors in MnTe2 film

    LI Shih Yuan, YI Shuang, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 173rd 2023

  12. レーザ粉末床溶融結合法により作製したNiTiワイヤーの特性評価

    片桐大智, 周偉偉, 野村直之, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 173rd 2023

  13. Changes in Raman spectra during laser heating in polymorphic MnTe film

    金美賢, 森竣祐, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 69th 2022

    ISSN: 2436-7613

  14. Polymorphic transformation behavior in thermal strained MnTe semiconductor film

    森竣祐, WANG Yinli, 安藤大輔, 成田史生, 須藤祐司, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 69th 2022

    ISSN: 2436-7613

  15. Texture evolution and mechanical properties of Mg-9Y-6Zn alloy via vortex extrusion

    安藤大輔, 丹野健徳, 湯浅元仁, 染川英俊, 須藤祐司

    軽金属学会大会講演概要 142nd 2022

    ISSN: 1882-6083

  16. Mechanical properties of Mg-Sc alloy showing transformation induced plasticity effect at room temperature

    山岸奎佑, 小川由希子, 安藤大輔, 須藤祐司

    軽金属学会大会講演概要 142nd 2022

    ISSN: 1882-6083

  17. MnTe化合物薄膜の機械的特性と多形変化

    森竣祐, 王吟麗, 安藤大輔, 成田史生, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  18. TRIP効果を利用したMg-Sc合金の高延性化

    山岸奎佑, 小川由希子, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  19. 高抵抗Fe-Cr-Al-Co合金の抵抗温度係数に及ぼす組成および熱処理条件の影響

    監物幸翼, 安藤大輔, 石田清仁, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  20. Mg合金の加水分解に及ぼす組織の影響

    内山智元, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  21. 窒素含有Cr2Ge2Te6相変化材料の光学特性変化

    双逸, 畑山祥吾, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  22. MnTe薄膜におけるレーザー加熱による多形変化の顕微ラマン観察

    金美賢, 森竣祐, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 170th 2022

  23. Feasibility Study on Development of Heat-resistant Al-based Alloys by Machine Learning

    HUANG Jinxian, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 171st 2022

  24. Mg-Sc合金のB2規則化による室温超弾性特性の向上

    山岸奎佑, 小川由希子, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 171st 2022

  25. Cr-Mn-Te薄膜の多形変化挙動

    金美賢, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 171st 2022

  26. Cr2Ge2Te6薄膜のピエゾレジスティブ特性

    王吟麗, 双逸, 中嶋真優, 安藤大輔, 成田史生, 須藤祐司, 須藤祐司

    日本金属学会講演大会(Web) 171st 2022

  27. レーザ粉末床溶融結合法の造形パラメータがNiTi造形体の超弾性特性に与える影響

    片桐大智, 中谷勇喜, 周偉偉, 野村直之, 安藤大輔, 須藤祐司, 田邊由紀子, 阿部吉彦

    日本金属学会講演大会(Web) 171st 2022

  28. レーザ粉末床溶融結合法により作製したNiTi積層造形体の作製と評価

    中谷勇喜, 片桐大智, 周偉偉, 野村直之, 安藤大輔, 須藤祐司, 田邊由紀子, 阿部吉彦

    粉体粉末冶金協会講演大会(Web) 2022 2022

  29. High stiffness Mg-Li-Al-Ca based matrix compositions through in-situ synthesis method using TiSi2 powder

    岩岡葵, 安藤大輔, 須藤祐司

    軽金属学会大会講演概要 143rd 2022

    ISSN: 1882-6083

  30. The electrical resistivity of Fe-Mn-Al-Cr-C alloy and its dependence on temperature

    竹内喬亮, 飯塚将俊, 安藤大輔, 石田清仁, 須藤祐司, 須藤祐司

    日本金属学会東北支部研究発表大会予稿集 21st (Web) 2022

  31. MnTe多形の相安定性に及ぼすCr添加の影響

    金美賢, 双逸, 安藤大輔, 須藤祐司, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 83rd 2022

    ISSN: 2758-4704

  32. Powdering Resistance of galvannealed coating: Verification by Sputtering Method

    薗部駿太, 安藤大輔, 須藤祐司, 栗田大樹, 成田史生

    材料とプロセス(CD-ROM) 35 (2) 2022

    ISSN: 1882-8922

  33. Deformation behavior of LPSO-type Mg97Y2Zn1 alloy by high temperature torsion and its kink strengthening

    藤谷俊孝, 安藤大輔, 須藤祐司

    軽金属学会大会講演概要 140th 2021

    ISSN: 1882-6083

  34. β→α polymorphic transformation in MnTe films via atomic-displacement

    森竣祐, 安藤大輔, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 68th 2021

    ISSN: 2436-7613

  35. Mg-Sc合金の超弾性特性に及ぼす時効硬化の影響

    山岸奎佑, 小川由希子, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 168th 2021

  36. 機械的拘束下におけるMnTe薄膜のβ→α多形変化メカニズム

    森竣祐, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 168th 2021

  37. Cr2Ge2Te6メモリデバイスの動作エネルギーに及ぼすコンタクト抵抗の影響

    畑山祥吾, 阿部泰寛, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 168th 2021

  38. 異常粒成長を利用した単結晶Mg-Sc合金の作製とその超弾性特性

    山岸奎佑, ONYAM Karn, 小川由希子, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 169th 2021

  39. 多形MnTe薄膜における電気伝導機構

    金美賢, 森竣祐, 双逸, 畑山祥吾, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 169th 2021

  40. Al4Ba型金属間化合物を利用した耐熱Al合金の開発

    安藤大輔, 冨田航平, 須藤祐司

    日本金属学会講演大会(Web) 169th 2021

  41. Polymorphic transformation mechanism and kinetic study in MnTe semiconductor films

    森竣祐, 安藤大輔, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 82nd 2021

    ISSN: 2758-4704

  42. Enhancement of phase-change memory performance: Approach from the development of new phase-change materials

    須藤祐司, 畑山祥吾, 森竣祐, YI Shunag

    半導体・集積回路技術シンポジウム(CD-ROM) 85th 2021

  43. Understanding the mechanism of lowering resistivity in transition metal included amorphous chalcogenide

    畑山祥吾, 畑山祥吾, 小林啓介, 小林啓介, 齊藤雄太, FONS Paul, FONS Paul, YI Shuang, 森竣祐, KOLOBOV Alexander V., KOLOBOV Alexander V., 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 82nd 2021

    ISSN: 2436-7613

  44. Crystallization of a layered chalcogenide with dimensional change of chemical bonding

    齊藤雄太, 畑山祥吾, 畑山祥吾, YI Shuang, FONS Paul, FONS Paul, KOLOBOV Alexander V., KOLOBOV Alexander V., 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 82nd 2021

    ISSN: 2436-7613

  45. ウルツ鉱型MnTe薄膜における電気伝導機構

    金美賢, 森竣祐, 双逸, 畑山祥吾, 安藤大輔, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 82nd 2021

    ISSN: 2436-7613

  46. Development of phase change materials enabling low-power and fast operation PCRAM

    須藤祐司, 畑山祥吾, 森竣祐, SHUANG Yi

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 68th 2021

  47. Development of inverse resistance change phase change material for non-volatile memory

    畑山祥吾, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 68th 2021

    ISSN: 2436-7613

  48. Development of Magnesium based shape memory alloys

    安藤大輔, 須藤祐司

    軽金属 70 (7) 2020

    ISSN: 0451-5994

  49. Kink band formation in Mg97Y2Zn1 alloy with mille-feuille structure under hot torsion

    安藤大輔, 藤谷俊孝, 須藤祐司

    軽金属学会大会講演概要 138th 2020

    ISSN: 1882-6083

  50. Microstructure of Mg-Y-Zn alloys with various LPSO volume fraction under hot torsion

    藤谷俊孝, 安藤大輔, 須藤祐司

    軽金属学会大会講演概要 138th 2020

    ISSN: 1882-6083

  51. Optical and electrical switching induced by displacive transformation in MnTe films

    森竣祐, 安藤大輔, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 67th 2020

    ISSN: 2436-7613

  52. MnTe薄膜の変位型相転移

    森竣祐, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 167th 2020

  53. 多形MnTe/AZO積層構造による自己選択性PCRAMへの可能性

    金美賢, 森竣祐, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 167th 2020

  54. ミルフィーユ構造を有するMg94.75Gd3.5Zn1.75合金の集合組織および機械特性に与える異周速熱間圧延の効果

    安藤大輔, 内山愛文, 内山愛文, 染川英俊, 井上晋一, 山崎倫昭, 河村能人, 須藤祐司

    日本金属学会講演大会(Web) 167th 2020

  55. 単結晶Mg-Sc合金における超弾性特性

    山岸奎佑, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 166th 2020

  56. MnTe薄膜の高速結晶多形変化メカニズム

    森竣祐, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 166th 2020

  57. 逆抵抗変化型Cr2Ge2Te6相変化材料の局所構造変化

    畑山祥吾, イ シュアン, フォンス ポール, フォンス ポール, 齊藤雄太, コロボフ アレキサンダー, コロボフ アレキサンダー, 小林啓介, 進藤怜史, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 166th 2020

  58. MgGd3.5Zn1.75合金の等速および異周速熱間圧延材の組織と機械特性

    内山愛文, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 166th 2020

  59. Operation mechanism in MnTe-based phase change memory accompanied by polymorphic transformation

    森竣祐, 安藤大輔, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 81st 2020

    ISSN: 2758-4704

  60. Development of phase change material for PCRAM with low operation energy

    須藤祐司, 畑山祥吾

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 67th 2020

  61. Investigation of fast crystallization mechanism in amorphous Cr2Ge2Te6

    畑山祥吾, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 81st 2020

  62. Phase change materials for PCRAM realizing low-energy operation

    須藤祐司, 畑山祥吾, SHUANG Yi, 森竣祐

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 81st 2020

  63. Understanding local structure of Cr2Ge2Te6 phase change material for non-volatile memory application

    畑山祥吾, YI Shuang, FONS Paul, FONS Paul, 齊藤雄太, KOLOBOV Alexander V., KOLOBOV Alexander V., 小林啓介, 進藤怜史, 安藤大輔, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 67th 2020

  64. Effect of an oxide layer at Co/Si interface on Schottky barrier height and contact resistivity

    119 (239) 35-38 2019/10/23

    Publisher: 電子情報通信学会

    ISSN: 0913-5685

  65. 異なるLPSO相量を有するMg-Zn-Gd系合金圧延材の機械特性と組織の関係

    内山愛文, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 164th 2019

    ISSN: 2433-3093

  66. Mg-Sc二元系合金の室温超弾性における粒径依存性

    山岸奎佑, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 164th 2019

    ISSN: 2433-3093

  67. Ti-Mo-Cコーティングの硬さおよび摩擦摩耗特性に及ぼす成膜圧力の影響

    須藤祐司, 関谷暢, 安藤大輔, 小池淳一

    日本金属学会講演概要(CD-ROM) 164th 2019

    ISSN: 2433-3093

  68. Al-Ca共晶合金におけるAl4Ca相のマルテンサイト変態及び擬弾性挙動

    冨田航平, 安藤大輔, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 136th 2019

    ISSN: 1882-6083

  69. 粒径制御によるMg-Sc二元系合金の室温超弾性特性の向上

    山岸奎佑, 安藤大輔, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 136th 2019

    ISSN: 1882-6083

  70. 異なるLPSO相量を有するMg-Zn-Gd系合金圧延材の機械特性と組織の関係

    内山愛文, 安藤大輔, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 136th 2019

    ISSN: 1882-6083

  71. Mg-Gd-Zn合金の熱間圧延特性に対する初期組織の影響

    内山愛文, 安藤大輔, 須藤祐司

    軽金属学会大会講演概要 137th 2019

    ISSN: 1882-6083

  72. ミルフィーユ構造を含むMg97Zn1Y2合金のねじり塑性変形挙動

    安藤大輔, 内山愛文, 藤谷俊孝, 須藤祐司

    軽金属学会大会講演概要 137th 2019

    ISSN: 1882-6083

  73. Al4Ba型構造の金属間化合物を含有するAl-X合金の機械的特性及び構造変態

    冨田航平, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  74. Mg-Sc合金の再結晶集合組織形成に及ぼす加工熱処理の影響

    山岸奎佑, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  75. 新規自己潤滑性コーティングの創成に向けた酸化物の摩擦係数の評価

    島守日菜, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  76. 逆抵抗変化型Cr2Ge2Te6相変化材料のメモリ特性

    畑山祥吾, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  77. (Cr,Al)酸化物コーティングの硬さに及ぼす成膜条件の影響

    市川大樹, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  78. PN Junction Based Self-selective Property in N-doped Cr2Ge2Te6 Phase Change Memory

    双逸, 畑山祥吾, AN Jun-Seop, 安藤大輔, SONG Yun-Heub, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  79. Mg-Gd-Zn系合金における熱間圧延で生じるキンク帯とその機械特性

    内山愛文, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  80. Mg-Zn-Y系合金におけるねじり塑性変形挙動

    安藤大輔, 内山愛文, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  81. MnTe多形体薄膜の相変化

    森竣祐, 安藤大輔, 須藤祐司

    日本金属学会講演大会(Web) 165th 2019

  82. MnTeスパッタリング薄膜の加熱による相変化

    森竣祐, 安藤大輔, 須藤祐司

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 80th 2019

    ISSN: 2758-4704

  83. Cu2GeTe3相変化メモリにおける動作エネルギーの電極面積依存性

    飯島平, 安藤大輔, 須藤祐司, AN Jun Seop, SONG Yun Heub

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 80th 2019

    ISSN: 2758-4704

  84. 低抵抗アモルファスCr2Ge2Te6の電気伝導機構

    畑山祥吾, 須藤祐司, 安藤大輔, 小池淳一, 小林啓介, 小林啓介

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 66th 2019

  85. アモルファスCr2Ge2Te6相変化材料の電気伝導機構

    畑山祥吾, 須藤祐司, 安藤大輔, 小池淳一, 小林啓介, 小林啓介

    日本金属学会講演概要(CD-ROM) 164th 2019

    ISSN: 2433-3093

  86. 不揮発性相変化メモリ用遷移金属カルコゲナイド相変化材料の開発

    齊藤雄太, 畑山祥吾, YI Shuang, 進藤怜史, FONS Paul, KOLOBOV Alexander V., 小林啓介, 小林啓介, 小林啓介, 須藤祐司

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 66th 2019

  87. 形状記憶合金-最近の材料開発と応用の発展(上)Mg合金におけるマルテンサイト変態と形状記憶特性

    小川由希子, 須藤祐司, 安藤大輔, 小池淳一

    金属 88 (8) 2018

    ISSN: 0368-6337

  88. MnTe薄膜の相変化に伴う物性変化

    森竣祐, 須藤祐司, 安藤大輔, 小池淳一

    日本金属学会講演概要(CD-ROM) 163rd 2018

    ISSN: 2433-3093

  89. Mg-Sc合金のマルテンサイト変態および超弾性特性

    山岸奎佑, 小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 163rd 2018

    ISSN: 2433-3093

  90. Al-Ca合金におけるAl4Ca相のマルテンサイト変態及び機械的特性

    冨田航平, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 163rd 2018

    ISSN: 2433-3093

  91. 先端半導体素子の高性能化・高信頼化を目指した配線材料および配線形成プロセスに関する研究

    小池淳一, 小池淳一, 須藤祐司, 安藤大輔

    日本金属学会講演概要(CD-ROM) 162nd 2018

    ISSN: 2433-3093

  92. 高抵抗Fe-Mn-Al-Cr-C合金の比抵抗および温度係数に及ぼすα/γ相分率の影響

    飯塚将俊, 須藤祐司, 安藤大輔, 小池淳一, 石田清仁

    日本金属学会講演概要(CD-ROM) 163rd 2018

    ISSN: 2433-3093

  93. α-MnTe薄膜の光学および電気特性に及ぼす組成の影響

    森竣祐, 須藤祐司, 安藤大輔, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 65th 2018

    ISSN: 2436-7613

  94. Cr2Ge2Te6を用いた相変化メモリの動作特性

    畑山祥吾, 須藤祐司, 安藤大輔, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 65th 2018

  95. Cr2Ge2Te6-Based PCRAM Showing Low Resistance Amorphous and High Resistance Crystalline States

    畑山祥吾, 須藤祐司, 安藤大輔, 小池淳一

    電子情報通信学会技術研究報告 118 (241(SDM2018 52-63)) 2018

    ISSN: 0913-5685

  96. 逆抵抗変化Cr2Ge2Te6相変化材料の結晶化メカニズム

    畑山祥吾, 須藤祐司, 安藤大輔, 小池淳一, 齊藤雄太, 進藤怜史, 進藤怜史, SONG Yun-Heub

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 79th 2018

  97. 不揮発性メモリ用遷移金属相変化材料の電子構造の解明

    齊藤雄太, 須藤祐司, FONS Paul, KOLOBOV Alexander V., 進藤怜史, 進藤怜史, 畑山祥吾, YI Shuang, KOZINA Xeniya, SKELTON Jonathan M., 小林啓介

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 79th 2018

  98. 超軽量形状記憶マグネシウム合金の開発

    須藤 祐司, 小川由 希子, 安藤 大輔, 小池 淳一

    47 (2) 5-8 2017/02

    Publisher: カロス出版

    ISSN: 0285-5240

  99. Mg-Sc基合金における時効硬化挙動

    安藤大輔, 竹内悠太, 須藤祐司, 小川由希子, 小池淳一

    軽金属学会大会講演概要 133rd 2017

    ISSN: 1882-6083

  100. bcc/hcp相変態を利用したhcp単相Mg-Sc合金の集合組織制御

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 160th 2017

    ISSN: 2433-3093

  101. α-MnTe薄膜の光学および電気的特性

    森竣祐, 須藤祐司, 安藤大輔, 小池淳一

    日本金属学会講演概要(CD-ROM) 161st 2017

    ISSN: 2433-3093

  102. Fe-Mn-Al-C系高抵抗合金の比抵抗およびその温度係数に及ぼす熱処理の影響

    飯塚将俊, 須藤祐司, 安藤大輔, 小池淳一, 石田清仁

    日本金属学会講演概要(CD-ROM) 161st 2017

    ISSN: 2433-3093

  103. Mg-Sc合金の時効析出過程

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一, 染川英俊

    日本金属学会講演概要(CD-ROM) 161st 2017

    ISSN: 2433-3093

  104. Cr-Mo-Cu-N被膜の機械的性質および膜組織に及ぼす基板加熱の影響

    鈴木優太, 須藤祐司, 安藤大輔, 小池淳一

    日本金属学会講演概要(CD-ROM) 161st 2017

    ISSN: 2433-3093

  105. Mg-Sc合金へのZn添加がマルテンサイト変態温度並びに形状記憶特性に与える影響

    竹内悠太, 小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 161st 2017

    ISSN: 2433-3093

  106. 亜酸化銅の形成による銅ペーストの低温焼成

    城戸光一, 斎藤友大, ホアン チハイ, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 160th 2017

    ISSN: 2433-3093

  107. Mg-Y合金における球形圧子を用いたナノインデンテーション応答

    安藤大輔, 須藤祐司, 小池淳一, POOLE Warren

    日本金属学会講演概要(CD-ROM) 160th 2017

    ISSN: 2433-3093

  108. LSI多層配線の単層拡散バリア層としての非晶質コバルト合金の特性

    HOSSEINI Maryamsadat, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 64th 2017

    ISSN: 2436-7613

  109. LSI配線におけるZn添加によるCu/SiO2間の相互拡散バリア性評価

    城戸光一, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 78th 2017

    ISSN: 2758-4704

  110. Cu配線を用いたSi太陽電池におけるTa酸化物バリア層の特性評価

    青山悠生, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 78th 2017

    ISSN: 2758-4704

  111. 青色レーザーを用いたCu電極とSi太陽電池基板間のコンタクト形成

    雑賀真晃, 安藤大輔, 須藤祐司, 小池淳一, 坂本隼規, 諏訪雅也, 東條公資, 山蔭康弘

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 64th 2017

    ISSN: 2436-7613

  112. 青色レーザーを用いたCu電極とSi太陽電池基板間のコンタクト形成

    雑賀真晃, 安藤大輔, 須藤祐司, 小池淳一, 坂本隼規, 諏訪雅也, 東條公資, 山蔭康弘

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 78th 2017

    ISSN: 2436-7613

  113. Determination of alpha/beta phase boundaries and mechanical characterization of Mg-Sc binary alloys (vol 670, pg 335, 2016)

    Yukiko Ogawa, Daisuke Ando, Yuji Sutou, Kyosuke Yoshimi, Junichi Koike

    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 674 713-713 2016/09

    DOI: 10.1016/j.msea.2016.08.016  

    ISSN: 0921-5093

    eISSN: 1873-4936

  114. Mg-Sc合金の機械的・機能的性質に及ぼす組織の影響

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 158th 2016

    ISSN: 2433-3093

  115. Cr-Mo-N被膜の硬度および耐摩耗性に及ぼすCu添加の影響

    鈴木優太, 小池淳一, 須藤祐司, 安藤大輔

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  116. BCC+HCP二相組織を有するMg-Sc-Zn合金の機械的性質

    竹内悠太, 小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  117. Cu合金を用いた超微細配線へのダイナミックリフロー挙動

    齋藤友大, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  118. bcc型Mg-Sc合金における超弾性効果の発現

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  119. 超微細LSI配線におけるアモルファスCo-Hf合金の拡散バリア層としての可能性

    小出紘之, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  120. Ti-V-C-N膜の硬さおよび摩耗特性

    澁谷臨, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  121. LSI多層配線におけるCuリフロー挙動の拡散クリープ機構による考察

    佐藤宏太郎, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  122. プライマー層を用いたCu/AlN接合界面の密着強度改善

    佐藤宏太郎, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 63rd 2016

    ISSN: 2436-7613

  123. CVD法によるMnOx拡散バリア層の形成に伴うポーラスSiOCHへのMn拡散

    小出紘之, WANG Hao, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 63rd 2016

    ISSN: 2436-7613

  124. Cu配線を用いたシリコン太陽電池における作製プロセスの最適化

    青山悠生, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 77th 2016

    ISSN: 2758-4704

  125. 並列抵抗変化によるシリコン太陽電池PID挙動の解析

    小野寺幸貴, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 77th 2016

    ISSN: 2758-4704

  126. 青色レーザーによるSiN反射防止膜除去とCu電極太陽電池セルの電気特性

    雑賀真晃, 安藤大輔, 須藤祐司, 小池淳一, 坂本隼規, 諏訪雅也, 東條公資, 山蔭康弘

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 77th 2016

    ISSN: 2758-4704

  127. Cr-Ge-Te化合物薄膜の相変化挙動

    畑山祥吾, 進藤怜史, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 63rd 2016

  128. Ge-Te薄膜の相変化挙動に及ぼすCr添加の影響

    畑山祥吾, 進藤怜史, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  129. W電極/GeCu2Te3相変化材料間のコンタクト抵抗

    進藤怜史, 須藤祐司, 安藤大輔, 小池淳一, 齊藤雄太

    日本金属学会講演概要(CD-ROM) 159th 2016

    ISSN: 2433-3093

  130. Mg-Y希薄合金の一軸および二軸引張変形による集合組織変化

    鈴木哲, 安藤大輔, 小川由希子, 染川英俊, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 128th 2015

    ISSN: 1882-6083

  131. Mg-Sc合金の時効硬化挙動

    小川由希子, 安藤大輔, 鈴木哲, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 128th 2015

    ISSN: 1882-6083

  132. bcc+hcp二相組織を有するMg-Sc合金の時効硬化挙動

    小川由希子, 安藤大輔, 鈴木哲, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 156th 2015

    ISSN: 2433-3093

  133. 時効硬化したMg-Sc合金の機械的特性

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 157th 2015

    ISSN: 2433-3093

  134. Mg-Y希薄合金押出材における変形双晶形成機構の初期結晶配向依存性

    鈴木哲, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 157th 2015

    ISSN: 2433-3093

  135. Mo含有硬質被膜のH/E*と摩擦摩耗の関係

    豊田智亮, 市村康, 小宮山翔子, 小宮山翔子, 安藤大輔, 須藤祐司, 小池淳一, 王び

    日本金属学会講演概要(CD-ROM) 157th 2015

    ISSN: 2433-3093

  136. Mg-Y希薄合金のエリクセン試験による組織変化観察

    鈴木哲, 安藤大輔, 小川由希子, 染川英俊, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 156th 2015

    ISSN: 2433-3093

  137. Y極希薄添加Mg合金押出材の室温引張変形挙動

    安藤大輔, 鈴木哲, 小川由希子, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 156th 2015

    ISSN: 2433-3093

  138. c-Si太陽電池電極向けスクリーン印刷用銅ペーストの特性評価

    大坪賢明, 櫻井孝之, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 76th 2015

    ISSN: 2758-4704

  139. Alloy Design and Microstructure Control for Practical Application in Cu-based Shape Memory Alloys

    54 (1) 1-5 2015

    Publisher: 日本伸銅協会

    ISSN: 1347-7234

  140. Cr-Ge-Te薄膜の相変化挙動

    畑山祥吾, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 76th 2015

  141. W電極上のGeCu2Te3の相変態に伴う界面接触抵抗変化

    進藤怜史, 須藤祐司, 小池淳一, 齊藤雄太

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 76th 2015

  142. GeTe-CuTe擬二元系薄膜の相変化挙動

    須藤祐司, 齊藤雄太, 進藤怜史, 小池淳一

    応用物理学会秋季学術講演会講演予稿集(CD-ROM) 76th 2015

  143. 不揮発性メモリ用Ge-Cu-Te系相変化材料の研究

    須藤祐司, 齊藤雄太, 小池純一

    まてりあ 53 (2) 45-51 2014/02/01

    Publisher: 日本金属学会

    DOI: 10.2320/materia.53.45  

    ISSN: 1340-2625

  144. BCC/HCP二相組織を有するMg-Sc合金の機械強度と組織

    安藤大輔, 鈴木哲, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 126th 2014

    ISSN: 1882-6083

  145. Mg-0.6at.%Y合金における熱間圧延及び静的再結晶による組織変化の観察

    鈴木哲, 安藤大輔, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 126th 2014

    ISSN: 1882-6083

  146. Mo-O-N系薄膜の内部組織および摩擦摩耗特性

    須藤祐司, 小宮山翔子, 小宮山翔子, 安藤大輔, 小池淳一, WANG Mei

    日本金属学会講演概要(CD-ROM) 155th 2014

    ISSN: 2433-3093

  147. Mg-Y合金の室温変形による動的再結晶組織形成過程の観察

    安藤大輔, 鈴木哲, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 154th 2014

    ISSN: 2433-3093

  148. Ti-Mo-C-N膜の硬さおよび摩擦摩耗特性

    豊田智亮, 小宮山翔子, 小宮山翔子, 安藤大輔, 須藤祐司, 小池淳一, WANG Mei

    日本金属学会講演概要(CD-ROM) 155th 2014

    ISSN: 2433-3093

  149. Mg-Sc合金におけるhcp+bcc二相領域の決定および二相合金の機械的性質

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 155th 2014

    ISSN: 2433-3093

  150. BCC/HCP二相Mg-Sc合金の時効硬化挙動

    安藤大輔, 小川由希子, 鈴木哲, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 155th 2014

    ISSN: 2433-3093

  151. Cu/Si界面のMn酸化物拡散バリア層の特性評価

    田辺成俊, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 155th 2014

    ISSN: 2433-3093

  152. 種々の酸素流量で成膜した二元系Fe-O薄膜の電気的特性

    小川由希子, 須藤祐司, 安藤大輔, 小池淳一

    応用物理学会春季学術講演会講演予稿集(CD-ROM) 61st 2014

    ISSN: 2436-7613

  153. Yを極微量添加したMg合金の室温圧縮変形による再結晶組織形成過程の観察

    安藤大輔, 須藤祐司, 小池淳一, 染川英俊, 向井敏司

    日本金属学会講演概要(CD-ROM) 152nd 2013

    ISSN: 2433-3093

  154. RFマグネトロンスパッタにより成膜したFe-O-N薄膜の電気的特性評価

    小川由希子, 小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 153rd 2013

    ISSN: 2433-3093

  155. 湿式処理によるCu/Si界面の拡散バリア層の形成

    田辺成俊, 田辺成俊, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 153rd 2013

    ISSN: 2433-3093

  156. 新規銅ペーストと界面層を用いた単結晶Si太陽電池の特性

    金政植, 金政植, HAI Hoang Tri, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 153rd 2013

    ISSN: 2433-3093

  157. Mo-B-N系スパッタ薄膜の耐摩耗性

    羽根川智, 羽根川智, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 153rd 2013

    ISSN: 2433-3093

  158. n型4H-SiCにおけるワイヤボンドCu/Nb電極の反応挙動および密着性

    亀田和也, 亀田和也, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 152nd 2013

    ISSN: 2433-3093

  159. SUS304に成膜したTi-Mo-N膜の二相分離による硬度上昇

    小宮山翔子, 小宮山翔子, 須藤祐司, 小池淳一, 及川勝成

    日本金属学会講演概要(CD-ROM) 152nd 2013

    ISSN: 2433-3093

  160. Ti-Mo-N膜の摩耗特性に及ぼす窒素濃度依存性に関する熱力学的な検討

    須藤祐司, 小宮山翔子, 小宮山翔子, 小池淳一, 及川勝成

    日本金属学会講演概要(CD-ROM) 152nd 2013

    ISSN: 2433-3093

  161. Electronic Structure of the Novel Phase-Change Material GeCu2Te3

    KOBAYASHI K, KOBATA M, SKELTON J, ELLIOTT S, SAITO Y, SUTOU Y, KOIKE J

    Proc Symp Phase Chang Oriented Sci 25th 48-51 2013

  162. Feasibility study of Ge2Sb2Te5/GeCu2Te3 memory cell with multi-level resistance

    SHINDO S, SAITO Y, SUTOU Y, KOIKE J, LEE J. M, SONG Y. H

    Proc Symp Phase Chang Oriented Sci 25th 75-76 2013

  163. Phase transition characteristics of GeCu2Te3 thin film

    SUTOU Y, SAITO Y, KOIKE J

    Proc Symp Phase Chang Oriented Sci 25th 41-44 2013

  164. PCRAM用PCMの研究開発動向

    須藤祐司

    SEMI News 28 (4) 10-11 2012/12/01

  165. OS0316 The relationships between the amounts of localized deformation and deformation twin type

    ANDO Daisuke, SUTOU Yuji, KOIKE Junichi, ISHIDA Tomohiro, SIBUTANI Sinpei, KATO Jungi, TERADA Kenzirou, KYOYA Takashi

    2012 "OS0316-1"-"OS0316-3" 2012/09/22

    Publisher: The Japan Society of Mechanical Engineers

    More details Close

    In this study, the origin of amounts of localized strain in basal textured Magnesium alloy sheets was investigated. First, grid patterns were drawn on a top surface of sample by Focus Ion Beam system. And then, a distribution of crystal orientation from same area was observed by SEM/EBSD. From these methods, the relationship between the localized strain and crystal orientation was revealed. In generally, the amounts of strains are dependent on the crystal orientation, which means the facility of slip deformation. However, my results show that localized strain is dependent on the existence or absence of twins and twin types, and but not on the Schmid factor of basal slip. And I suggest that {1012} type has the roll of strain accommodation to satisfy the strain compatibility with neighbor grain in primary deformation stage and continue to cancel the strain of slip during deformation. So the grain with {10-12} type slightly deformed. On the other hand, {10-11} type has the roll of accommodation strain component to conform to externally applied stress. But {10-11} twin easily generate double twin. And the grain with double twin localized severely deformed and formed surface steps or cracks.

  166. Mechanical and Electrochemical properties of the Stent made of Ti-Ni-Nb alloy

    TAKAGI Takamitsu, MORITA Masafumi, SUTOU Yuji, SUZUKI Masao, KAINUMA Ryosuke, YAMAUCHI Kiyoshi

    49 (3) 139-143 2012/06/20

    Publisher: 日本材料科学会

    ISSN: 1347-4774

  167. 新しい鉄系および銅系超弾性合金の開発

    大森俊洋, 荒木慶一, 須藤祐司, 石田清仁, 貝沼亮介

    機能材料 32 (6) 3-9 2012/06/01

    Publisher: シーエムシー出版

    ISSN: 0286-4835

  168. アミディネート前駆体を用いたCVD法によるMnOxの形成

    黒川温子, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会学術講演会講演予稿集(CD-ROM) 73rd 2012

  169. 反応性スパッタリングにより形成したFe-O-N系薄膜の電気的特性

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    応用物理学会学術講演会講演予稿集(CD-ROM) 73rd 2012

  170. 反応性スパッタにより作製したN-doped Cu2O半導体薄膜の電気・光学特性評価

    土屋慶幸, 土屋慶幸, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 151st 2012

    ISSN: 2433-3093

  171. Application of Cu-Al-Mn superelastic alloy bars as reinforcement elements in concrete beams Peer-reviewed

    Kshitij C. Shrestha, Yoshikazu Araki, Takuya Nagae, Hayato Yano, Yuji Koetaka, Toshihiro Omori, Yuji Sutou, Ryosuke Kainuma, Kiyohito Ishida

    Proceedings of SPIE - The International Society for Optical Engineering 8345 2012

    DOI: 10.1117/12.914992  

    ISSN: 0277-786X

  172. 自由テーマ部門 新規銅系超弾性合金を用いた引張制振ブレースの開発 (2010年度(第2回)免震構造・制振構造に関わる研究助成の成果報告)

    荒木 慶一, 貝沼 亮介, 須藤 祐司

    日本免震構造協会会誌 (73) 67-69 2011/08

    Publisher: 日本免震構造協会

  173. 巨大超弾性を示す鉄系形状記憶合金の開発

    田中優樹, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    まてりあ 50 (8) 339-345 2011/08/01

    Publisher: The Japan Institute of Metals and Materials

    DOI: 10.2320/materia.50.339  

    ISSN: 1340-2625

  174. AZ31マグネシウム合金における疲労破壊の粒径依存性

    安藤大輔, 藤山直人, 須藤祐司, 小池淳一

    日本金属学会講演概要 148th 2011

    ISSN: 1342-5730

  175. AZ31マグネシウム合金における片振引張疲労破壊の粒径依存性

    安藤大輔, 須藤祐司, 小池淳一

    軽金属学会大会講演概要 121st 2011

    ISSN: 1882-6083

  176. AZ31マグネシウム合金における変形双晶界面構造観察

    安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 149th 2011

    ISSN: 2433-3093

  177. アミディネート前駆体を用いたMn酸化物の化学気相成長

    黒川温子, PHUONG N.M., 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 149th 2011

    ISSN: 2433-3093

  178. Cu-Mn合金の電気抵抗率に及ぼす熱処理時の酸素圧と温度の影響

    安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 149th 2011

    ISSN: 2433-3093

  179. (GeTe)100-xSix相変化材料の電気抵抗変化及び相変化挙動

    齊藤雄太, 隅谷真志, 須藤祐司, 小池淳一

    応用物理学関係連合講演会講演予稿集(CD-ROM) 58th 2011

  180. GeCu2Te3の電気特性とその相変化挙動

    隅谷真志, 鎌田俊哉, 齊藤雄太, 須藤祐司, 小池淳一

    日本金属学会講演概要(CD-ROM) 149th 2011

    ISSN: 2433-3093

  181. Ge-Cu-Te films for phase change random access memory

    SUTOU Y, SAITO Y, KAMADA T, SUMIYA M, KOIKE J

    Proc Symp Phse Chang Opt Inf Storage 23rd 27-29 2011

  182. マグネシウム合金の変形・破壊機構における転位と双晶の役割

    安藤 大輔, 小池 淳一, 須藤 祐司

    金属 80 (11) 940-944 2010/11

    Publisher: アグネ技術センター

    ISSN: 0368-6337

  183. Ni-Fe-Ga-Co系磁性形状記憶合金の材料特性とプロセス

    及川 勝成, 森戸 春彦, 石川 博康, 須藤 祐司, 藤田 麻哉, 安斎 浩一, 貝沼 亮介, 深道 和明, 石田 清仁

    金属 80 (6) 439-444 2010/06

    ISSN: 0368-6337

  184. AZ31マグネシウム合金における室温粒界すべりの断面観察

    安藤大輔, 安藤大輔, 藤山直人, 藤山直人, 須藤祐司, 小池淳一

    日本金属学会講演概要 146th 2010

    ISSN: 1342-5730

  185. マイクロPD法によるTerfenol-D単結晶の成長

    東海林哲, 東海林哲, 及川勝成, 安斎浩一, 須藤祐司, 石川博康

    日本金属学会講演概要 146th 2010

    ISSN: 1342-5730

  186. Ge1Cu2Te3薄膜の相変化挙動

    須藤祐司, 鎌田俊哉, 齊藤雄太, 隅谷真志, 小池淳一

    応用物理学会学術講演会講演予稿集(CD-ROM) 71st 2010

  187. Si-TeおよびGe-Te共晶型相変化材料の結晶化過程

    齊藤雄太, 鎌田俊哉, 隅谷真志, 須藤祐司, 小池淳一

    応用物理学会学術講演会講演予稿集(CD-ROM) 71st 2010

  188. GeTe相変化メモリ材料の結晶化挙動に及ぼすSi添加の影響

    齊藤雄太, 隅谷真志, 鎌田俊哉, 須藤祐司, 小池淳一

    日本金属学会講演概要 147th 2010

    ISSN: 1342-5730

  189. Ge-Cu-Teアモルファス薄膜の相変化過程に及ぼすSi添加の影響

    隅谷真志, 鎌田俊哉, 齊藤雄太, 須藤祐司, 小池淳一

    日本金属学会講演概要 147th 2010

    ISSN: 1342-5730

  190. Phase change behavior of Ge1Cu2Te3 thin films

    KAMADA TOSHIYA, SAITO YUTA, SUMIYA MASASHI, SUTOU YUJI, KOIKE JUNICHI

    Proc Symp Phse Chang Opt Inf Storage 22nd 21-23 2010

  191. AZ31マグネシウム合金の疲労限と変形双晶の関係

    藤山直人, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要 145th 2009

    ISSN: 1342-5730

  192. AZ31マグネシウム合金における二重双晶によるクラック形成過程の観察

    安藤大輔, 藤山直人, 須藤祐司, 小池淳一

    日本金属学会講演概要 144th 2009

    ISSN: 1342-5730

  193. アモルファスGe100-xTex薄膜の昇温過程における電気抵抗及び構造変化

    齊藤雄太, 鎌田俊哉, 須藤祐司, 小池淳一

    日本金属学会講演概要 144th 2009

    ISSN: 1342-5730

  194. アモルファスSi100-xTex薄膜の昇温過程における電気抵抗及び構造変化

    齊藤雄太, 鎌田俊哉, 須藤祐司, 小池淳一

    日本金属学会講演概要 145th 2009

    ISSN: 1342-5730

  195. Ge-Cu-Te三元合金薄膜の相変化挙動

    鎌田俊哉, 齊藤雄太, 須藤祐司, 小池淳一

    日本金属学会講演概要 145th 2009

    ISSN: 1342-5730

  196. Au‐Cu‐Al系合金の形状記憶特性及び耐食性評価

    櫻田優樹, 須藤祐司, 高木隆光, 伊東航, 貝沼亮介, 石田清仁

    日本金属学会講演概要 143rd 413 2008/09/23

    ISSN: 1342-5730

  197. 微小ひずみ領域におけるAZ31マグネシウム合金の変形挙動

    藤山直人, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会講演概要 143rd 2008

    ISSN: 1342-5730

  198. {1011}-{1012}二重双晶のシュミット因子と表面起伏の関係

    安藤大輔, 藤山直人, 須藤祐司, 小池淳一

    日本金属学会講演概要 143rd 2008

    ISSN: 1342-5730

  199. Co-Al合金の高温形状記憶特性に及ぼすSi添加の影響

    安藤佳祐, 大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 143rd 2008

    ISSN: 1342-5730

  200. アモルファスGeTe薄膜の結晶化過程における電気抵抗及び構造変化

    齊藤雄太, 須藤祐司, 小池淳一

    日本金属学会講演概要 143rd 2008

    ISSN: 1342-5730

  201. Ni45Co5Mn36.7In13.3メタ磁性形状記憶合金の巨大磁気抵抗効果

    伊東航, 梅津理恵, 伊藤恒平, 須藤祐司, 小山佳一, 及川勝成, 藤田麻哉, 貝沼亮介, 鹿又武, 石田清仁

    日本金属学会講演概要 140th 147 2007/03/27

    ISSN: 1342-5730

  202. 18aPS-43 Magnetic properties of Ni-Mn-In based metamagnetic shape memory alloys

    Ito W, Umetsu R. Y, Sutou Y, Koyama K, Oikawa K, Kainuma R, Kanomata T, Ishida K

    Meeting abstracts of the Physical Society of Japan 62 (1) 411-411 2007/02/28

    Publisher: 一般社団法人日本物理学会

    ISSN: 1342-8349

  203. Superelasticity of Co-Ni-Al ferromagnetic shape memory alloys

    田中優樹, 及川勝成, 須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁

    日本機械学会年次大会講演論文集 2007 (Vol.1) 2007

  204. High-Temperature Shape Memory Effect in Co-Al System

    大森俊洋, 安藤佳祐, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本機械学会年次大会講演論文集 2007 (Vol.1) 2007

  205. Co-Al合金の高温形状回復特性に及ぼすhcp安定化元素の影響

    安藤佳祐, 安藤佳祐, 大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 140th 2007

    ISSN: 1342-5730

  206. NiMn基ホイスラー合金におけるメタ磁性形状記憶効果

    貝沼亮介, 伊東 航, 須藤祐司, 及川勝成, 石田清仁, 鹿又 武

    まぐね 2 (5) 241-247 2007

    ISSN: 1880-7208

  207. メタ磁性相転移による新しい磁性形状記憶合金

    貝沼亮介, 須藤祐司, 及川勝成, 石田清仁

    ケミカルエンジニヤリング 52 (1) 32-36 2007

    ISSN: 0387-1037

  208. Ni43Co7Mn39Sn11ホイスラー合金のメタ磁性形状記憶効果

    及川勝成, 今野陽介, 伊東航, 森戸春彦, 須藤祐司, 岡本聡, 北上修, 藤田麻哉, 貝沼亮介, 鹿又武, 石田清仁

    日本金属学会講演概要 139th 295 2006/09/16

    ISSN: 1342-5730

  209. NiCoMnInメタ磁性形状記憶合金のマルテンサイト変態と磁気変態挙動

    伊東航, 今野陽介, 貝沼亮介, 須藤祐司, 及川勝成, 石田清仁

    日本金属学会講演概要 139th 295 2006/09/16

    ISSN: 1342-5730

  210. AuCuAl系合金のマルテンサイト変態と形状記憶効果

    佐藤恵理, 伊東航, 須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁

    日本金属学会講演概要 139th 285 2006/09/16

    ISSN: 1342-5730

  211. Ni-Mn-In系基合金のメタ磁性形状記憶効果

    貝沼亮介, 及川勝成, 石田清仁, 須藤祐司, 鹿又武

    金属 76 395-401 2006/04

  212. Ni‐Mn‐In合金のマルテンサイト変態と磁気特性

    伊東航, 今野陽介, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 138th 239 2006/03/21

    ISSN: 1342-5730

  213. Ni‐Mn‐In‐Co合金におけるメタ磁性形状記憶効果

    貝沼亮介, 今野陽介, 伊東航, 須藤祐司, 森戸晴彦, 岡本聡, 北上修, 及川勝成, 藤田麻哉, 鹿又武, 石田清仁

    日本金属学会講演概要 138th 239 2006/03/21

    ISSN: 1342-5730

  214. fcc/hcpマルテンサイト変態を有するCo-Al合金の形状記憶特性に及ぼす添加元素の影響

    安藤佳祐, 大森俊洋, 佐藤順, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 139th 2006

    ISSN: 1342-5730

  215. 磁場により大きな変位と応力が得られる新型磁性形状記憶材料

    貝沼亮介, 及川勝成, 石田清仁, 須藤祐司

    工業材料 54 (9) 68-72 2006

    ISSN: 0452-2834

  216. Ni-Mn-In系合金のメタ磁性形状記憶効果

    貝沼亮介, 及川勝成, 石田清仁, 須藤祐司, 鹿又武

    金属 76 (4) 33-39 2006

    Publisher: アグネ技術センター

    ISSN: 0368-6337

  217. FCC/HCP型Co‐Al合金の時効析出組織と形状記憶効果

    大森俊洋, 須藤祐司, 及川勝成, 伊東航, 貝沼亮介, 石田清仁

    日本金属学会講演概要 136th 391 2005/03/29

    ISSN: 1342-5730

  218. マルチフェロイクスの材料科学と創製プロセス Ni基強磁性形状記憶材料の合金設計

    貝沼亮介, 及川勝成, 須藤祐司, 石田清仁

    日本金属学会講演概要 137th 2005

    ISSN: 1342-5730

  219. マルチフェロイクスの材料科学と創製プロセス Ni-Fe-Ga-Co合金の相安定性

    今野陽介, 森戸春彦, 及川勝成, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    日本金属学会講演概要 137th 2005

    ISSN: 1342-5730

  220. Ni-(Fe,Co)-(Al,Ga)系β相のマルテンサイト変態と磁性

    及川勝成, 田中優樹, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    日本金属学会講演概要 136th 2005

    ISSN: 1342-5730

  221. 状態図を利用した強磁性形状記憶合金の開発

    及川勝成, 田中優樹, 森戸春彦, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    金属 75 523-528 2005

    Publisher: アグネ技術センター

  222. 新規形状記憶合金の開発とその応用

    須藤祐司

    まてりあ 44 604-607 2005

    DOI: 10.2320/materia.44.604  

  223. 高性能Cu-Al-Mn系形状記憶合金の開発

    貝沼亮介, 須藤祐司, 大森俊洋, 石田清仁

    金属 74 138-144 2004/04

  224. Ni-Mn-X(X=In,Sn,Sb)系ホイスラー合金におけるマルテンサイト変態の磁気変態挙動

    今野陽介, 大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 135th 2004

    ISSN: 1342-5730

  225. 高性能Cu系形状記憶合金の開発

    貝沼亮介, 須藤祐司, 大森俊洋, 石田清仁

    金属 74 26-32 2004

    Publisher: アグネ技術センター

  226. 強磁性CoNiAl形状記憶合金の変態挙動に及ぼす磁場の影響

    須藤祐司, 及川勝成, 貝沼亮介, 石田清仁, 田谷稔

    日本金属学会講演概要 132nd 2003

    ISSN: 1342-5730

  227. Ni-Ga-Fe強磁性形状記憶合金の相変態

    大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会講演概要 133rd 2003

    ISSN: 1342-5730

  228. Cu-Al-Mn-based Shape Memory Alloys and their applications

    Y. Sutou, N. Koeda, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    Metals Materials and Processes 15 131-148 2003

  229. 高加工性Cu-Al-Mn基形状記憶合金の開発

    須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁, 山内 清

    まてりあ 42 (11) 813-821 2003

    Publisher: The Japan Institute of Metals and Materials

    DOI: 10.2320/materia.42.813  

    ISSN: 1340-2625

Show all ︎Show first 5

Books and Other Publications 4

  1. 第5版鉄鋼便覧, 第3巻35.7節(析出物データベース)

    須藤祐司, 船川義正

    2014

  2. SiCパワーデバイス最新技術

    小池淳一, 須藤祐司, 丁建華, 関口貴子

    2010/05/14

  3. Shaped Crystals Growth by Micro-Pulling-Down Technique

    A. Yishikawa, Y. Sutou

    Springer 2007

  4. Encyclopedia of Materials: Science and Technology Updates

    K.H.J. Buschoe, R, W. Cahn, M. C. Flemings, B. Ilschner E. J. Kramer, S. Mahajan, ed, Y. Sutou, K, Yamauchi, T. Omori, R. Kainuma, K. Ishida

    Elsevier, Oxford 2005/04

Presentations 181

  1. 相変化メモリ材料の研究開発動向 Invited

    須藤祐司

    R031委員会 第4回研究会「次世代メモリデバイス技術の最前線」 2022/01/11

  2. Transition-metal chalcogenides enabling low-power phase change memory: Inverse resistance change Cr2Ge2Te6 and Polymorphic MnTe films Invited

    Y. Sutou, S. Hatayama, Y. Shuang, S. Mori, D. Ando

    EPCOS2021 2021/09/15

  3. 相変化メモリの高性能化: 新材料創成からのアプローチ Invited

    須藤祐司, 畑山祥吾, 森竣祐, 双逸

    第85回半導体・集積回路技術シンポジウム 2021/08/31

  4. Phase change materials enabling low-energy PCRAM Invited

    Y. Sutou, S. Hatayama, Y. Shuang, S. Mori, D. Ando

    AWAD 2021 2021/08/26

  5. 省エネ・高速化に向けた 新相変化メモリ材料開発 Invited

    須藤祐司, 畑山祥吾, D, 森竣祐, D)双逸

    応用物理学会 2021/03/17

  6. 相変化メモリ材料の研究開発動向 Invited

    須藤祐司, 畑山祥吾, D, 森竣祐, D)双逸

    応用物理学会 第48回薄膜・表面物理セミナー 2020/12/07

  7. Phase-change materials for low-energy operation PCRAM Invited

    Yuji Sutou, Shunsuke Mori, Yi Shuang, Shogo Hatayama

    SSDM 2020/09/30

  8. 省エネルギー動作に向けた 相変化メモリ材料の研究開発 Invited

    須藤祐司, 畑山祥吾, D)双逸, D)森竣祐

    応用物理学会 2020/09/09

  9. 形状記憶合金の 最近の材料研究について Invited

    須藤 祐司

    形状記憶協会 Webセミナー 2020/08/28

  10. 形状記憶・超弾性合金の基礎と新合金の最近の研究

    須藤 祐司

    形状記憶協会講習会 2018/07/26

  11. Phase Change Characteristics of TM-Ge-Te (TM: Cu and Cr) Compound Films for PCRAM International-presentation

    Y. Sutou, S. Shindo, S. Hatayama, Yi Shuang, J. Koike, Y. Saito

    MRS Spring Meeting 2018 2018/04/05

  12. Transition Metal-Ge-Te Chalcogenides for PCRAM Material International-presentation

    Y. Sutou, S. Shindo, S. Hatayama, Y. Saito, J. Koike

    International Conference on Solid State Devices and Materials (SSDM) 2017/09/19

  13. Magnesium-based shape memory alloy International-presentation

    Y. Sutou, Y. Ogawa, D. Ando, J. Koike

    International Conference on Martensitic Transformations (ICOMAT 2017 ) 2017/07/11

  14. 形状記憶マグネシウム合金の開発

    須藤祐司, 小川由希子, 安藤大輔, 小池淳一

    日本マグネシウム協会第4回技術講演会 2017/01/13

  15. マグネシウム系形状記憶合金

    須藤祐司, 小川由希子, 安藤大輔, 小池淳一

    形状記憶合金協会SMAシンポジウム 2016/11/11

  16. Ge-Cu-Te phase change material for PCRAM application International-presentation

    Y. Sutou, Y. Saito, S. Shindo, J. Koike

    PRiME2016 2016/10/02

  17. Phase-change induced contact resistance changes of GeCu2Te3/metal contact due to phase change transitions

    S. Shindo, Y, Sutou, J. Koike, Y. Saito, H. Song

    2016 MRS Spring Meeting&Exhibit 2016/03/28

  18. Cr-Ge-Te化合物薄膜の相変化挙動

    畑山 祥吾, 進藤 怜史, 安藤 大輔, 須藤 祐司, 小池 淳, 北大工

    第63回応用物理学会春季学術講演会 2016/03/19

  19. プライマー層を用いたCu/AlN接合界面の密着強度改善

    佐藤 宏太郎, 安藤 大輔, 須藤 祐司, 小池 淳, 北大工

    第63回応用物理学会春季学術講演会 2016/03/19

  20. CVD法によるMnOx拡散バリア層の形成に伴うポーラスSiOCHへの Mn拡散

    小出 紘之, 王, 昊, 安藤 大輔, 須藤 祐司, 小池 淳, 北大工

    第63回応用物理学会春季学術講演会 2016/03/19

  21. Cu/酸化物層/Siの密着強度と拡散バリア性

    齋藤 友大, 安藤大輔, 須藤祐司, 池淳一, 東北大院工

    第63回応用物理学会春季学術講演会 2016/03/19

  22. Crystallization behavior of Cr - Ge - Te thin films

    Shogo Hatayama, Satoshi Shindo, Yuji Suto, Junichi Koike

    PCOS2015 2015/11/26

  23. Contact resistivity change of GeCu 2 Te 3 to W electrode by crystallization

    Satoshi Shindo, Yuji Sutou, Junichi Koike, Yuta Saito

    PCOS2015 2015/11/26

  24. The effect of the Mn penetration in porous SiOCH for CVD-Mn diffusion barrier International-presentation

    H. Wang, H. Koide, Y. Sutou, D. Ando, J. Koike, D. Ishikawa, N. Kobayashi

    Advanced Metallization Conference (ADMETA) 2015: 25th Asian Session 2015 2015/09/17

  25. Grain growth and resistivity reduction of reflowed Cu-Mn in SiOC trench lines International-presentation

    T. Saito, K. Sato, D. Ando, Y. Sutou, J. Koike

    Advanced Metallization Conference (ADMETA) 2015: 25th Asian Session 2015 2015/09/17

  26. Electrical contact property and interfacial reaction of Mo on surface-treated-InGaAs International-presentation

    E. Lee, D. Ando, Y. Sutou, J. Koike

    Advanced Metallization Conference (ADMETA) 2015: 25th Asian Session 2015 2015/09/17

  27. Mo含有硬質被膜のH/E* と摩擦摩耗の関係

    豊田智亮, 市村康, 小宮山翔子, 安藤大輔, 須藤祐司, 小池淳一, Wang Mei

    日本金属学会2015年秋期講演大会 2015/09/16

  28. Effect of bilayer period on hardness and wear of MoN/Mo-O-N multilayer films

    Z. Ding, D. Ando, Y. Sutou, J. Koike, M. Wang

    日本金属学会2015年秋期講演大会 2015/09/16

  29. Mg-Y希薄合金押出材における変形双晶形成機構の初期結晶配向依存性

    鈴木哲, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会2015年秋期講演大会 2015/09/16

  30. 時効硬化したMg-Sc合金の機械的特性

    小川由希子, 安藤大輔, 須藤祐司, 小池淳一

    日本金属学会2015年秋期講演大会 2015/09/16

  31. GeTe-CuTe擬二元系薄膜の相変化挙動

    須藤祐司, 齊藤雄太, 進藤怜史, 小池淳一

    第76回応用物理学会秋季学術講演会 2015/09/13

  32. Cr-Ge-Te薄膜の相変化挙動

    畑山祥吾, 安藤大輔, 須藤祐司, 小池淳一

    第76回応用物理学会秋季学術講演会 2015/09/13

  33. c-Si太陽電池電極向けスクリーン印刷用銅ペーストの特性評価

    大坪賢明, 櫻井孝之, 安藤大輔, 須藤祐司, 小池淳一

    第76回応用物理学会秋季学術講演会 2015/09/13

  34. フェムト秒レーザパルスによるGeCuTe の相変化誘起と高速シャッターへの応用の検討

    秋本良太, 森本悠介, 須藤 祐司, 進藤 怜史, 桑原正史, 斎木敏治

    第76回応用物理学会秋季学術講演会 2015/09/13

  35. W電極上のGeCu2Te3の相変態に伴う界面接触抵抗変化

    進藤 怜史, 須藤 祐司, 小池 淳一, 齊藤 雄, 東北大工

    第76回応用物理学会秋季学術講演会 2015/09/13

  36. Feasibility study of multi-level PCRAM with multiple phase change layers International-presentation

    Y. Sutou, Y. Saito, S. Shindo, J. Koike, J.M. Lee, Y.H. Song

    European/Phase Change and Ovonics Symposium 2015/09/07

  37. Contact resistivity of GeCu2Te3 phase change material on W electrode International-presentation

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    European/Phase Change and Ovonics Symposium 2015/09/07

  38. Phase change behavior of molybdenum oxide film International-presentation

    European/Phase Change and Ovonics Symposium 2015/09/07

    More details Close

    Y. Ogawa, S. Shindo, Y. Sutou, J. Koike

  39. Determination of HCP/BCC Boundaries and the Mechanical Properties of Dual-phase Alloy in Binary Mg-Sc Syste International-presentation

    kiko Ogawa, Daisuke Ando, Yuji Sutou, Junichi Koike

    PTM (Solid-Solid Phase Transformations in Inorganic Materials) 2015 2015/06/28

  40. Significant Age Hardening Response of BCC/HCP Dual Phase Mg-Sc Alloy International-presentation

    Daisuke Ando, Yukiko Ogawa, Tetsu Suzuki, Yuji Sutou, Junichi Koike

    PTM (Solid-Solid Phase Transformations in Inorganic Materials) 2015 2015/06/28

  41. Microstructure and Mechanical Properties of High strength BCC/HCP dual phase Mg-Sc Alloys International-presentation

    Daisuke Ando, Yukiko Ogawa, Tetsu Suzuki, Yuji Sutou, Junichi Koike

    Fimpart2015 2015/06/13

  42. bcc+hcp二相組織を有するMg-Sc合金の時効硬化挙動

    小川由希子, 安藤大輔, 鈴木哲, 須藤祐司, 小池淳一

    日本金属学会2015年秋期講演大会 2015/03/18

  43. Mg-Y希薄合金のエリクセン試験による組織変化観察

    鈴木哲, 安藤大輔, 小川由希子, 染川英俊, 須藤祐司, 小池淳一

    日本金属学会2015年秋期講演大会 2015/03/18

  44. Y極希薄添加Mg合金押出材の室温引張変形挙動

    安藤大輔, 鈴木哲, 小川由希子, 須藤祐司, 小池淳一

    日本金属学会2015年秋期講演大会 2015/03/18

  45. 窒化物コーティングの低摩擦係数化に向けた材料学的検討

    表面力学設計研究会 2015/02/10

  46. A study on phase change characteristics of (GeTe)1-xSix films

    Y. Sutou, Y. Saito, J. Koike

    (Phase change oriented science 2014/12/04

  47. Contact resistivity of GeCu2Te3 on metal electrode measured by CTLM

    S. Shindo, Y. Sutou, J. Koike, Y. Saito

    Phase change oriented science 2014/12/04

  48. Mo-O-N系薄膜の内部組織および摩擦摩耗特性

    須藤祐司, 小宮山翔子, IHI, 安藤大輔, 小池淳一, オーエスジー株式会社, ang Mei

    日本金属学会 2014/09/24

  49. Ti-Mo-C-N膜の硬さおよび摩擦摩耗特性

    豊田智亮, 小宮山翔子, IHI, 安藤大輔, 須藤祐司, 小池淳一, オーエスジー株式会社Wang Mei

    日本金属学会 2014/09/24

  50. MoNx/MoOy multilayer films deposited by RF magnetron sputtering through reactive gas control

    Ziyu Ding, Grad. Stud, Daisuke Ando, Yuji Sutou, Junichi Koike, OSG Mei Wang

    日本金属学会 2014/09/24

  51. Fast crystallization in Si-doped GeTe amorphous film by surface oxidation International-presentation

    Y. Sutou, Y. Saito, J. Koike

    European/Phase Change and Ovonics Symposium 2014 2014/09/07

  52. Dependence of electrode material on resisatnce-temperature curves in GeCu2Te3 International-presentation

    S. Shindo, Y. sutou, J. Koike, Y. Saito

    European/Phase Change and Ovonics Symposium 2014 2014/09/07

  53. Phase change characteristics of Cu-Ge-Te ternary film and its application to PCRAM International-presentation

    ICTMC19 2014/09/01

  54. Phase transition characteristics of GeCu2Te3 film for PCRAM International-presentation

    ADMETA 2013/10/10

  55. PCRAM用Ge-Te系薄膜の相変化挙動

    第138回結晶工学分科会研究会「次世代不揮発性メモリ材料・ デバイスを結晶工学の視点から探る」 2013/04/19

  56. 不揮発性メモリ用相変化材料に関する研究

    日本金属学会春期大 2013/03/27

  57. Crystallization behaviors and structural study of amorphous GeCu2Te3 International-presentation

    European/Phase Change and Ovonics Symposium 2012/07/08

  58. PCRAM用相変化材料の最近の研究動向

    反応光学部会CVD反応分科会主催第14回シンポジウム 2012/01/30

  59. Ti-Mo-N反応性スパッタ薄膜の結晶組織と摩耗特性

    日本金属学会 機能性チタン合金研究第4回講演会 2011/12/16

  60. PCRAM用相変化材料の研究開発動向

    SEMIジャパン SEMIテクノロジーシンポジウム(STS)2011 2011/12/07

  61. Ge-Cu-Te films for phase change random access memory

    PCOS相変化研究会 2011/11

  62. Ductile Cu-Al-Mn-based shape memory alloys International-presentation

    T. Omori, R. Kainuma, K. Ishida, K. Yamauchi

    Thermec'09 2009/08/24

  63. Fe-Ni-Co-Al-Xにおけるγ/α’マルテンサイト変態形状記憶特性

    田中優樹, 須藤祐司, 大森俊洋, 石田清仁, 貝沼亮介

    第144回日本金属学会 2009/03/28

  64. アモルファスGe100-xTex薄膜の昇温過程における電気抵抗及び構造変化

    齊藤雄太, 須藤祐司, 鎌田俊哉, 小池淳一

    第144回日本金属学会 2009/03/28

  65. Ti-Mo-Nコーティング膜の機械的特性に及ぼす熱処理の影響

    小宮山翔子, 須藤祐司, 小池淳一

    第144回日本金属学会 2009/03/28

  66. TFT素子におけるn+a-Si層のプラズマ酸化および結晶化挙動

    廣田和彦, 佐野正明, 須藤祐司, 小池純一

    第144回日本金属学会 2009/03/28

  67. AZ31マグネシウム合金における二重双晶によるクラック形成過程の観察

    安藤大輔, 藤山直人, 須藤祐司, 小池淳一

    第144回日本金属学会 2009/03/28

  68. Fe-Mn-Al-C系低比重鉄鋼の機械的性質

    須藤祐司, 神谷尚秀, 大同, 大沼郁雄, 石田清仁

    第156回日本鉄鋼協会 2008/09/23

  69. Co-Al 合金の高温形状記憶特性に及ぼす Si 添加の影響

    安藤佳祐, 大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    第143回日本金属学会 2008/09/23

  70. Pd-In-Fe 合金のマルテンサイト変態と磁気特性

    石川博康, 須藤祐司, 大森俊洋, 梅津理恵, 貝沼亮介, 石田清仁

    第143回日本金属学会 2008/09/23

  71. AuCuAl 系合金の形状記憶特性及び耐食性評価

    櫻田優樹, 須藤祐司, 高木隆光, 伊東航, 貝沼亮介, 石田清仁

    第143回日本金属学会 2008/09/23

  72. Cu-Al-Mn基形状記憶合金の超塑性

    大森俊洋, 須藤祐司, 肥田直樹, 貝沼亮介, 石田清仁

    日本機械学会2008年度年次大会 2008/08/04

  73. Pd-In系形状記憶合金の開発

    石川博康, 須藤祐司, 大森俊洋, 貝沼亮介, 山内清, 石田清仁

    日本機械学会2008年度年次大会 2008/08/04

  74. 銅系形状記憶合金及び時勢形状記憶合金

    2008年度形状記憶合金に関する講習会 2008/07/18

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    講習会講師

  75. Shape Memory and Pseudoelastic Effects due to g-a Martensitic Transformation in Fe-Ni-Co-Al-Based Ferromagnetic Alloys International-presentation

    T. Tanaka, Y. Himuro, R. Kainuma, Y. Sutou, T. Omori, K. Ishida

    ICOMAT2008(International Conference on Martensitic Transformations) 2008/07/01

  76. High Temperature Shape Memory Effect in Co-Al Based Ternary Alloys with International-presentation

    K. Ando, T. Omori, Y. Sutou, K. Oikawa, R. Kainuma, K. Ishida

    ICOMAT2008(International Conference on Martensitic Transformations) 2008/07/01

  77. Origin of High Internal Friction in Martensite Phase. International-presentation

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    ICOMAT2008(International Conference on Martensitic Transformations) 2008/07/01

  78. Martensitic and Magnetic Transformations in Pd-In-Fe Alloys. International-presentation

    H. Ishikawa, Y. Sutou, T. Omori, R.Y. Umetsu, K. Oikawa, R. Kainuma

    ICOMAT2008(International Conference on Martensitic Transformations) 2008/07/01

  79. Development of Cu-Al-Mn Based Shape memory Alloys: Application to Medical Devices International-presentation

    Y. Sutou, T. Omori, R. Kainuma, Y. Yamauchi, K. Ishida

    CIMTEC2008 (Third International Conference Smart Materials, Structures&Systems) 2008/06/13

  80. Development of Ni-free Ti-Mo-Sn-Based Superelastic Tubes for Medical Devices International-presentation

    Y. Sutou, A. Furukawa, M. Suzuki, K. Yamauchi, M. Nishida

    SMST2007(The International Conference on Shape Memory and Superelastic Technologies) 2007/12/05

  81. Superelasticity due to FCC/BCC Thermoelastic Martensitic Transformation in Fe-Ni-Co-Al Based Alloys International-presentation

    Y. Tanaka, Y. Himuro, T. Omori, R. Kainuma, Y. Sutou, K. Ishida, K. Yamauchi

    SMST2007(The International Conference on Shape Memory and Superelastic Technologies) 2007/12/03

  82. Martensitic Transformation and Magnetic properties in Pd-In-Fe Shape Memory Alloys International-presentation

    H. Ishikawa, Y. Sutou, T. Omori, Y. Umetsu, K. Oikawa, R. Kainuma, K. Ishida

    SMST2007(The International Conference on Shape Memory and Superelastic Technologies) 2007/12/03

  83. Effects of Surface Conditions on Corrosion Resistance of Nitinol International-presentation

    T. Takagi, Y. Sutou, R. Kainuma, K. Ishida, M. Suzuki, K. Yamauchi

    SMST2007(The International Conference on Shape Memory and Superelastic Technologies) 2007/12/03

  84. High Damping Capacity of Texture-Contrilled Cu-Al-Mn-Based Shape Memory AlloysHigh Damping Capacity of Texture-Contrilled Cu-Al-Mn-Based Shape Memory Alloys International-presentation

    T. Omori, Y. Sutou, N. Koeda, R. Kainuma, K. ishida

    SMST2007(The International Conference on Shape Memory and Superelastic Technologies) 2007/12/03

  85. Development of Ni-free Ti-Mo-Sn-based superelastic tubes and their medical application International-presentation

    Y. Sutou, A. Furukawa, M. Suzuki, K. Yamauchi, M. Nishida

    SMIT2007(The 19th International Conference of Society for Medical Innovation and Technology) 2007/11/22

  86. Pergormance of balloon expandable Ti-Ni-Nb shape memory stent International-presentation

    K. Yamauchi, T. Takamitsu, A. Furukawa, M. Suzuki, Y. Sutou, T. Matsuhashi, K. Seiji, S. Sata, T. Ishibashi, M. Ota

    SMIT2007(The 19th International Conference of Society for Medical Innovation and Technology) 2007/11/22

  87. Effects of surface conditions on corrosion resistance of Nitinol and potential hazards in medicak stents International-presentation

    T. Takamitsu, Y. Sutou, R. Kainuma, K. Ishida, M. Suzuki, K. Yamauchi

    SMIT2007(The 19th International Conference of Society for Medical Innovation and Technology) 2007/11/22

  88. Development of ingrown nail correcting device using Cu-Al-Mn new shape memory alloys International-presentation

    T. Omori, Y. Sutou, N. Tabata, M. Ishibashi, T. Suetake, R. Kainuma, K. Yamauchi, K. Ishida

    SMIT2007(The 19th International Conference of Society for Medical Innovation and Technology) 2007/11/22

  89. Treatement of ingrown nails using Cu-Al-Mn new shape memory alloys International-presentation

    N. Tabata, M. Ishibashi, T. Suetake, T. Omori, Y. Sutou, R. Kainuma, K. Yamauchi, K. Ishida

    SMIT2007(The 19th International Conference of Society for Medical Innovation and Technology) 2007/11/20

  90. Ti-Ni-Nb 合金を用いた自律機能型ステントの開発と機能性評価

    高木隆光, 須藤祐司, 鈴木正夫, 貝沼亮介, 太田信, 山内清, 石田清仁

    日本金属学会2007年(第141回)秋季講演大会 2007/09/21

  91. Co-Ni-Al基強磁性形状記憶合金の超弾性特性

    田中優樹, 須藤祐司, 及川勝成, 大森俊洋, 貝沼亮介, 石田清仁, 山内清

    日本機械学会2007年度年次大会 2007/09/10

  92. Co-Al合金の高温形状記憶効果

    大森俊洋, 安藤佳祐, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本機械学会2007年度年次大会 2007/09/10

  93. 高強度Cu-Al-Mn系超弾性合金の開発

    須藤祐司, 大森俊洋, 山内清, 貝沼良助, 肥田直樹, 石田清仁

    日本機械学会2007年度年次大会 2007/09/10

  94. Ti-Mo-Sn超弾性チューブの開発

    鈴木正夫, 古河明久, 須藤祐司, 山内清

    日本機械学会2007年度年次大会 2007/09/10

  95. 形状記憶合金の医療応用

    第65回心臓血管放射線研究会 2007/07/28

  96. Development of Cu-Al-Mn Based Shape memory Alloys -Application to Guide Wire- International-presentation

    Y. Sutou, T. Omori, R. Kainuma, K. Yamauchi, K. Ishida

    62nd ABM International Annual Congress 2007/07/23

  97. 高性能Cu-Al-Mn形状記憶合金の材料特性

    貝沼亮介, 須藤祐司, 大森俊洋, 山内清, 石田清仁

    先進機能材料・先進構造材料の開発・評価・応用に関するコラボレーションシンポジウム 2007/06

  98. Pd-In-Fe合金の相平衡とマルテンサイト変態

    石川博康, 須藤祐司, 大森俊洋, 貝沼亮介, 山内清, 石田清仁

    先進機能材料・先進構造材料の開発・評価・応用に関するコラボレーションシンポジウム 2007/06

  99. Ti-Mo-Sn合金製チューブの機械的性質に及ぼす熱処理の影響

    須藤祐司, 高木隆光, 鈴木正夫, 古川明久, 山内清

    先進機能材料・先進構造材料の開発・評価・応用に関するコラボレーションシンポジウム 2007/06

  100. Co-Al 合金の高温形状回復特性に及ぼす hcp 安定化元素の影響

    安藤佳祐, 大森俊洋, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    日本金属学会2007年(第140回)春期大会 2007/03/28

  101. 制振特性におけるマルテンサイトバリアントの役割

    大森俊洋, 須藤祐司, 山内清, 貝沼亮介, 石田清仁

    日本金属学会2007年(第140回)春期大会 2007/03/28

  102. ベイナイト変態を利用した高強度 Cu-Al-Mn 系超弾性合金の開発

    須藤祐司, 大森俊洋, 山内清, 貝沼亮介, 肥田直樹, 石田清仁

    日本金属学会2007年(第140回)春期大会 2007/03/28

  103. Pd-In-Fe3元系状態図の実験的決定

    石川博康, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    2007年日本金属学会春季大会 2007/03

  104. 独創的低侵襲医療デバイスの創製とその臨床応用

    須藤祐司, 山内清, 鈴木正夫

    イノベーションフェア2007 2007/02

  105. 独創的低侵襲医療デバイスの創製とその臨床応用

    須藤祐司, 鈴木正夫, 山内清

    第3回埼玉県西部地域産業技術展示交流会 2007/02

  106. NiフリーTi-Mo-Sn形状記憶合金の開発

    須藤祐司, 古川明久, 鈴木正夫, 山内清, 西田稔

    第17回日本MRS学術シンポジウム 2006/12

  107. Ti-Mo-Sn合金における熱・力学特性

    山本隆栄, 清水泰博, 松永勇佑, 佐久間俊雄, 須藤祐司, 山内清

    第17回日本MRS学術シンポジウム 2006/12

  108. Martensitic Transformation and Shape Memory Properties in Au-Cu-Al based Alloys International-presentation

    E. Sato, W. Ito, T. Omori, Y. Sutou

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  109. Effect of Alloying Elements on fcc/hcp Martensitic Transformation and Shape Memory Properties in Co-Al Alloys International-presentation

    K. Ando, T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  110. Martensitic and magnetic transformation behaviors in Heusler-type NiMnIn and NiCoMnIn metamagnetic shape memory alloys International-presentation

    W. Ito, R. Kainuma, Y. Sutou, K. Oikawa, K. Ishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  111. Alloy Design and Microstructural Control in Ductile Cu-Al-Mn-Based Shape Memory Alloys International-presentation

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  112. Effect of pre-strain on martensitic transformation in a Ti47.6Ni46.4Nb6.0 superelastic alloy International-presentation

    T. Takagi, Y. Sutou, M. Suzuki, R. Kainuma, K. Yamauchi, K. Ishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  113. Development of Ni-free Ti-Mo-Sn superelastic alloys and their application to medical devices International-presentation

    A. Furukawa, Y. Sutou, M. Suzuki, K. Yamauchi, T. Takagi, M. Nishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  114. Mechanical Properties of Cu-Al-Mn-based alloys and their application to medical guidewire International-presentation

    Y. Sutou, T. Omori, M. Suzuki, A. Furukawa, K. Yamauchi, R. Kainuma, K. Ishida

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  115. Development of balloon expandable Ti-Ni-Nb superelastic stent International-presentation

    M. Suzuki, Y. Sutou, T. Takagi, A. Furukawa, K. Yamauchi

    The 13th National Symposium on Phase Diagrams, China-Japan Joint Symposium on Phase Diagrams, Materials Design and Therir Applications 2006/11

  116. 独創的低侵襲医療デバイスの創製とその臨床応用

    須藤祐司, 山内清

    企業と学術研究機関との出会い 2006/11

  117. 独創的低侵襲医療デバイスの創製とその臨床応用

    須藤祐司, 山内清

    産学官交流フェア 2006/10

  118. Ti-Ni 合金の耐食性に与える表面皮膜の影響

    高木隆光, 須藤祐司, 鈴木正夫, 貝沼亮介, 山内清, 石田清仁

    2006年日本金属学会秋季大会 2006/09

  119. AuCuAl 系合金のマルテンサイト変態と形状記憶効果

    佐藤恵理, 伊東航, 須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁

    2006年日本金属学会秋季大会 2006/09

  120. Ti-Mo-Sn 板及び線材の超弾性特性に及ぼす組成比の影響

    古川明久, 須藤祐司, 鈴木正夫, 山内清, 西田稔

    2006年日本金属学会秋季大会 2006/09

  121. fcc/hcp マルテンサイト変態を有する Co-Al 合金の形状記憶特性に及ぼす添加元素の影響

    安藤佳祐, 大森俊洋, 佐藤 順, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    2006年日本金属学会秋季大会 2006/09

  122. NiCoMnIn メタ磁性形状記憶合金のマルテンサイト変態と磁気変態挙動

    伊東 航, 今野陽介, 貝沼亮介, 須藤祐司, 及川勝成, 石田清仁

    2006年日本金属学会秋季大会 2006/09

  123. Ni43Co7Mn39Sn11 ホイスラー合金のメタ磁性形状記憶効果

    及川勝成, 今野陽介, 伊東航, 森戸春彦, 須藤祐司, 岡本聡, 北上修, 藤田麻哉, 貝沼亮介, 鹿又武, 石田清仁

    2006年日本金属学会秋季大会 2006/09

  124. Development of Cu-Al-Mn-based shape memory alloys International-presentation

    T. OMORI, Y. SUTOU, R. KAINUMA, K. ISHIDA

    Copper2006 2006/09

  125. Development of superelastic guidewire with functionally graded property using Cu-Al-Mn-based shape memory alloy International-presentation

    Y. SUTOU, T, OMORI、M, SUZUKI、A. FURUKAWA, K, YAMAUCHI、R. KAINUMA, K. ISHIDA

    Copper2006 2006/09

  126. 機能傾斜型超弾性合金の医療用ガイドワイヤーへの適用

    須藤祐司, 大森俊洋, 鈴木正夫, 古川明久, 山内清, 貝沼亮介, 石田清仁, 西田稔

    日本機械学会M&M2006材料力学カンファレンス 2006/08

  127. 冷間圧延制御による形状記憶合金の多機能化

    大森俊洋, 王継傑, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    日本機械学会M&M2006材料力学カンファレンス 2006/08

  128. 独創的低侵襲デバイスの創製と臨床応用

    須藤祐司

    第5回次世代医療システム産業化フォーラム2006 2006/08

  129. High maneuverability guidewire with functionally graded properties using new superelastic alloys International-presentation

    Y. Sutou, K. Yamauchi, M. Suzuki, A. Furukawa, T. Omori, T. Takagi, R. Kainuma, K. Ishida, M. Nishida

    SMIT2006 2006/05

  130. Medical Stents using Ti-Ni-base Superelastic Alloys International-presentation

    K. Yamauchi, Y. Sutou, M. Suzuki, A. Furukawa, T. Takagi, T. Ishibashi, A. Takahashi

    SMIT2006 2006/05

  131. Ni-Mn-In-Co合金におけるメタ磁性形状記憶効果

    貝沼亮介, 今野陽介, 伊藤航, 須藤祐司, 森戸春彦, 岡本聡, 北上修, 及川勝成, 藤田麻哉, 鹿又武, 石田清仁

    第138回日本金属学会春季大会 2006/03

  132. Ni46Mn41In13合金のマルテンサイト変態に及ぼす磁場の効果

    及川勝成, 今野陽介, 伊藤航, 須藤祐司, 森戸春彦, 岡本聡, 北上修, 貝沼亮介, 藤田麻哉, 鹿又武, 石田清仁

    第138回日本金属学会春季大会 2006/03

  133. Ni-Mn-In合金のマルテンサイト変態と磁気特性

    伊藤航, 今野陽介, 須藤祐司, 及川勝成, 貝沼亮介, 石田清仁

    第138回日本金属学会春季大会 2006/03

  134. Ti-Ni-Nb合金の耐食性及び生体適合性

    高木隆光, 須藤祐司, 貝沼亮介, 山内清, 石田清仁

    第138回日本金属学会春季大会 2006/03

  135. 形状記憶合金を用いた新しいステント

    山内清, 須藤祐司

    日本機会学会2005年度年次大会 2005/09

  136. Ti-Mo-Sn合金チューブの機械的性質に及ぼす熱処理の影響

    須藤祐司, 鈴木正夫, 山内清, 西田稔

    第137回日本金属学会 2005/09

  137. Ti基合金をコア材とした新しい医療用ガイドワイヤーの創製

    須藤祐司, 高木隆光, 鈴木正夫, 山内清, 西田稔

    第137回日本金属学会 2005/09

  138. Ni基強磁性形状記憶材料の合金設計

    貝沼亮介, 須藤祐司, 及川勝成, 石田清仁

    第137回日本金属学会 2005/09

  139. Ni-Fe-Ga-Co合金の相安定性

    第137回日本金属学会 2005/09

  140. マルテンサイトを利用した制振合金における結晶構造と減衰能の関係

    大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    第137回日本金属学会 2005/09

  141. Fe-Mn-Al-C系における相平衡

    日本鉄鋼協会第150回秋季講演大会 2005/09

  142. Ti基合金をコア材とした新しい医療用ガイドワイヤーの創製

    須藤祐司, 高木隆光, 山内清

    第2回東北大学バイオサイエンスシンポジウム 2005/05

  143. Cu-Al-Mn系形状記憶線材の超弾性挙動に及ぼす結晶粒径の影響

    須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁, 山内清

    第136回日本金属学会 2005/03

  144. 超弾性Ti-Ni-Nb合金の逆変態に及ぼす予歪み効果

    高木隆光, 須藤祐司, 山内清, 貝沼亮介, 石田清仁

    第136回日本金属学会 2005/03

  145. FCC/HCP型Co-Al合金の時効析出組織と形状記憶効果

    安藤, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    第136回日本金属学会 2005/03

  146. マルテンサイト変態制御による新しいタイプのCu基インバー合金の開発

    大森俊洋, 王傑継, 須藤祐司, 貝沼亮介, 石田清仁

    銅および銅合金技術研究会 2004/11

  147. Damping Properties of Ductile Cu-Al-Mn-Based Shape Memory Alloys International-presentation

    N. Koeda, Y. Sutou, T. Omori, R. Kainuma, K. Ishida

    The International Organization on Shape Memory and Superelastic Technologies 2004/10

  148. Two-Way Shape Memory Effect Induced by Cold-Rolling International-presentation

    Y. Sutou, J.J.Wang, T. Omori, R. Kainuma, K. Ishida

    The International Organization on Shape Memory and Superelastic Technologies 2004/10

  149. Ni-Mn-X(X=In,Sn.Sb)系ホイスラー合金におけるマルテンサイト変態の磁気変態挙動

    今野陽介, 須藤祐司, 貝沼亮介, 石田清仁

    第135回日本金属学会 2004/09

  150. Fe-Mn-Al3元系状態図の実験的決定および熱力学的解析

    海野玲子, 須藤祐司, 大沼郁夫, 貝沼亮介, 石田清仁

    第135回日本金属学会 2004/09

  151. 高加工性Cu-Al-Mn基形状記憶合金の組織制御

    須藤祐司, 貝沼亮介, 石田清仁

    磁場制御可能な新形状記憶合金の開発 2003/11

  152. 組織制御によるCu-Al-Mn基合金の高強度・高減衰能

    肥田直樹, 大森俊洋, 須藤祐司, 貝沼亮介, 石田清仁

    第133回日本金属学会 2003/10

  153. Development of Cu-Al-Mn-based superelastic guidewire with functionally graded property International-presentation

    Y. Sutou, T. Omori, R. Kainuma, K. Ishida, A. Furukawa, Y. Takahashi, K. Yamauchi, S. Yamashita

    ASM Materials & Processes for Medical Devices Conference 2003/09

  154. Characteristics of Cu-Al-Mn-based Shape Memory Alloys and Their Applications International-presentation

    Y. Sutou, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    Sixth European Symposium on Martensitic Transformations and Shape Memory Alloys “ESOMAT’03” 2003/08

  155. Martensitic Transformation and Phase Equilibria of Ni-Ga-Fe b+g Ferromagnetic Shape Memory Alloys International-presentation

    T. Omori, N. Kamiya, Y. Sutou, K. Oikawa, R. Kainuma, K. Ishida

    Sixth European Symposium on Martensitic Transformations and Shape Memory Alloys “ESOMAT’03” 2003/08

  156. Development of superelastic guide wires with functionally graded properties International-presentation

    Y. Sutou, T. Omori, R. Kainuma, A. Furukawa, Y. Takahashi, K. Yamauchi, S. Yamashita, K. Ishida

    International Conference on Shape Memory and Superelastic Technologies, “SMST2003” 2003/05

  157. DEVELOPMENT OF THE Co-Ni-Al FERROMAGNETIC SHAPE MEMORY ALLOYS International-presentation

    K.Oikawa, T. Omori, Y.Sutou, R. Kainuma, K. Ishida

    International Conference on Shape Memory and Superelastic Technologies, “SMST2003” 2003/05

  158. 強磁性NiAlCo形状記憶合金の変態挙動に及ぼす磁場の影響

    須藤祐司, 貝沼亮介, 石田清仁, 田谷稔

    第132回日本金属学会 2003/03

  159. Martensitic transformation behavior under magnetic field in Co-Ni-Al ferromagnetic shape memory alloys International-presentation

    Y. Sutou, R. Kainuma, K. Ishida, M. Taya

    SPIE’s 10th Annual International Symposium on Smart Structures and Materials 2003/03

  160. 組織傾斜を用いた新しいタイプのガイドワイヤー

    須藤祐司, 大森俊洋, 大沼郁雄, 貝沼亮介, 石田清仁

    第131回日本金属学会 2002/11

  161. Cu-Al-Mn基形状記憶合金における制振特性

    大森俊洋, 須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第131回日本金属学会 2002/11

  162. 新しいCu基低熱膨張材料の開発

    貝沼亮介, 王継傑, 大森俊洋, 須藤祐司, 石田清仁

    第131回日本金属学会 2002/11

  163. 高減衰能を有するCu-Al-Mn基制振合金

    大森俊洋, 肥田直樹, 須藤祐司, 貝沼亮介, 石田清仁

    第42回銅および銅合金技術研究会講演会 2002/11

  164. EFFECT OF GRAIN SIZE AND TEXTURE ON SUPERELASTICITY OF Cu-Al-Mn BASED SHAPE MEMORY ALLOYS International-presentation

    Y. Sutou, T. Omori, J. J. Wang, R. Kainuma, K. Ishida

    International Conference on Martensitic Transformations “ICOMAT’02” 2002/06

  165. EFFECT OF MICROSTRUCTURE ON TWO-WAY SHAPE MEMORY EFFECT IN Cu-Al-Mn ALLOYS International-presentation

    T. Omori, Y. Sutou, J. J. Wang, R. Kainuma, K. Ishida

    International Conference on Martensitic Transformations “ICOMAT’02” 2002/06

  166. Cu-Al-Mn 基合金の二方向形状記憶効果に及ぼす集合組織の影響

    大森俊洋, 王継傑, 須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第130回日本金属学会 2002/03

  167. Cu-Al-Mn基形状記憶合金の組織と超弾性特性

    須藤祐司, 大森俊洋, 王継傑, 大沼郁雄, 貝沼亮介, 石田清仁

    第129回日本金属学会 2001/09

  168. Cu-Al-Mn基合金の二方向形状記憶効果に及ぼす変態温度と粒径の影響

    大森俊洋, 王継傑, 須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第129回日本金属学会 2001/09

  169. 高加工性Cu-Al-Mn基合金の超弾性特性に及ぼす粒径の影響

    須藤祐司, 大森俊洋, 王継傑, 大沼郁雄, 貝沼亮介, 石田清仁

    第128回日本金属学会 2001/03

  170. Cu-Al-Mn基合金の低温時効硬化

    大森俊洋, 須藤祐司, 王継傑, 大沼郁雄, 貝沼亮介, 石田清仁

    第128回日本金属学会 2001/03

  171. Cu基合金の組織制御による低熱膨張の出現

    王継傑, 大森俊洋, 須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第128回日本金属学会 2001/03

  172. Microstructure Control of Ductile Cu-Al-Mn Shape Memory Alloys International-presentation

    T. Omori, Y. Sutou, R. Kainuma, K. Ishida

    12th Symposium of MRS-J 2000/12

  173. Effect of grain refinement on the mechanical and shape memory properties of Cu-Al-Mn base alloys International-presentation

    Y. Sutou, T. Omori, T. Okamoto, R. Kainuma, K. Ishida

    Fifth European Symposium on Martensitic Transformations and Shape Memory Alloys “ESOMAT’00” 2000/09

  174. Cu-Al-Mn系形状記憶特性に及ぼす再結晶集合組織の影響

    須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第126回日本金属学会 2000/03

  175. Cu-Al-Mn系形状記憶合金の材料特性に及ぼす合金元素の影響

    須藤祐司, 大森俊洋, 貝沼亮介, 石田清仁

    第39回伸銅技術研究会講演会 1999/11

  176. Cu-Al-Mn系形状記憶合金の材料特性に及ぼすV添加の影響

    須藤祐司, 高橋心, 大沼郁雄, 貝沼亮介, 石田清仁

    第125回日本金属学会 1999/11

  177. Ni-Al-Mn系形状記憶合金の相安定性

    源島文彦, 須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第125回日本金属学会 1999/11

  178. Effect of Co Addition on the Ordering and Martensitic Transformations in Cu-AlMn Shape Memory Alloys International-presentation

    Y. Sutou, R. Kainuma, K. Ishida

    International Symposium and Exhibition on Shape Memory Materials “SMM’99” 1999/05

  179. Effect of alloying elements on the shape memory properties of ductile Cu-Al-Mn shape memory alloys International-presentation

    Y. Sutou, R. Kainuma, K. Ishida

    International Conference on Martensitic Transformations “ICOMAT’99” 1998/12

  180. Ni2AlMnホイスラー合金の規則化とマルテンサイト変態

    須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第123回日本金属学会 1998/09

  181. CuAlMn系形状記憶合金の特性に及ぼす添加元素の影響

    須藤祐司, 大沼郁雄, 貝沼亮介, 石田清仁

    第121回日本金属学会 1997/09

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Industrial Property Rights 24

  1. 銅系合金及び銅系合金の製造方法

    石田清仁, 貝沼亮介, 須藤祐司, 大森俊洋, 株)ブリヂストン, 青池由紀夫

    Property Type: Patent

  2. 低加工硬化型鉄合金

    石田清仁, 貝沼亮介, 須藤祐司

    Property Type: Patent

  3. 自律機能性ステント

    山内清, 須藤祐司, 高木隆光, 株)日本ステントテクノロジー, 山下修三, NECトーキン株式会社, 小澤倫秀

    Property Type: Patent

  4. Ti-Ni-Nb合金素子

    山内清, 須藤祐司, 高木隆光, 株)日本ステントテクノロジー, 山下修三, NECトーキン株式会社, 小澤 倫秀

    Property Type: Patent

  5. 管状器官への挿入具

    須藤祐司, 山内清, 高木隆光, 西田稔, 前島貴士, 株)パイオラックス, 石川毅, NECトーキン, 内山博昭

    Property Type: Patent

  6. 高抵抗器用鉄合金

    須藤祐司, 石田清仁, 貝沼亮介, 海野玲子

    Property Type: Patent

  7. ガイドワイヤーおよびカテーテル

    山内清, 須藤祐司, 石田清仁, 株)不二越, 天野宏地, 原恭, 河口誠司

    Property Type: Patent

  8. ガイドワイヤーおよびカテーテル

    山内清, 須藤祐司, 石田清仁, 株)不二越, 天野宏地, 原恭, 河口誠司

    Property Type: Patent

  9. 傾斜機能合金素子及びそれを用いたガイドワイヤ

    須藤祐司, 山内清, 石田清仁, 貝沼亮介

    Property Type: Patent

  10. 低比重鉄合金

    石田清仁, 貝沼亮介, 須藤祐司, 海野玲子, 大同特殊鋼, 清水手哲也, 高林宏之

    Property Type: Patent

  11. 低比重鉄合金

    石田清仁, 貝沼亮介, 須藤祐司, 海野玲子, 大同特殊鋼, 清水手哲也, 高林宏之

    Property Type: Patent

  12. 高温実装用接合材料

    石田清仁, 貝沼亮介, 大沼郁雄, 高久佳和, 須藤祐司

    Property Type: Patent

  13. 制振材料およびその製造方法

    中央発條, 鈴木秀和, 石田清仁, 貝沼亮介, 須藤祐司, 大森俊洋, 肥田直樹

    Property Type: Patent

  14. カテーテル

    NECトーキン, 高橋幸典, 石田清仁, 貝沼亮介, 須藤祐司

    Property Type: Patent

  15. 制振材料と制振性に優れたばね及びそれらの製造方法

    中央発條, 鈴木秀和, 岡本貴幸, 脇田将見, 石田清仁, 貝沼亮介, 須藤祐司, 大森俊洋

    Property Type: Patent

  16. 超弾性合金箔とひずみセンサ及びそれらの製造方法

    中央発條, 鈴木秀和, 岡本貴幸, 脇田将見, 石田清仁, 貝沼亮介, 須藤祐司, 大森俊洋

    Property Type: Patent

  17. 銅系合金及びその製造方法

    中央発條, 鈴木秀和, 岡本貴幸, 脇田将見, 石田清仁, 貝沼亮介, 須藤祐司

    Property Type: Patent

  18. 形状記憶特性及び超弾性を有する銅合金、それからなる部材並びにそれらの製造方法

    石田清仁, 貝沼亮介, 須藤祐司

    特許第3300684号

    Property Type: Patent

  19. 形状記憶特性及び超弾性を有する銅系合金及びその製造方法

    石田清仁, 貝沼亮介, 須藤祐司

    Property Type: Patent

  20. 超弾性効果及び/又は形状記憶効果を発現するマグネシウム合金

    安藤 大輔, 須藤祐司, 小川, 由希子, 小池 淳一

    Property Type: Patent

  21. 銅ペーストの焼成方法

    小池淳一, 須藤祐司, 安藤大輔

    特許5766336

    Property Type: Patent

  22. 太陽電池及びその製造方法

    小池淳一, 須藤祐司, 安藤大輔, ホアンチハイ

    特許5735093

    Property Type: Patent

  23. 切削工具用硬質被膜及び硬質被膜被覆切削工具

    櫻井正俊, 戸井原孝臣, 王微(OSG株式会社, 須藤祐司, 小池淳一, 小宮山翔子

    特許5610218

    Property Type: Patent

  24. 切削工具用硬質被膜及び硬質被膜被覆切削工具

    櫻井正俊, 戸井原孝臣, 王微(OSG株式会社, 須藤祐司, 小池淳一, 小宮山翔子

    特許5610219

    Property Type: Patent

Show all Show first 5

Research Projects 29

  1. Crystalline polymorphic-change memory technology

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S)

    Category: Grant-in-Aid for Scientific Research (S)

    Institution: Tohoku University

    2021/07/05 - 2026/03/31

  2. Displacive transforamtion-type polymprohic semiconductors for non-volatile memory

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)

    Category: Grant-in-Aid for Scientific Research (A)

    Institution: Tohoku University

    2021/04/05 - 2024/03/31

  3. Development of zero TCR film using semiconductor-metal transition

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory)

    Category: Grant-in-Aid for Challenging Research (Exploratory)

    Institution: Tohoku University

    2021/07/09 - 2023/03/31

  4. Understanding the crystallization mechanism of amorphous van der Waals layered materials

    FONS Paul

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    2019/04/01 - 2022/03/31

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    In this project, focusing on the structural features of layered chalcogenides, we have elucidated the crystallization mechanism that changes the dimension of chemical bonding from 3D-amorphous to 2D-crystal, measured ultrafast dynamics under laser irradiation, and developed a deposition technique for highly oriented layered chalcogenide thin films by sputtering. Due to the high structural anisotropy in the in-plane and out-of-plane directions, specific behaviors were observed in crystallization and ultrafast phenomena. By understanding these behaviors, we have succeeded in fabricating various highly oriented layered chalcogenide thin films.

  5. Development of d-electron based phase change chalcogenide for next generation non-volatile memory

    Sutou Yuji

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2018/04/01 - 2021/03/31

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    In this study, we focused on next-generation memory: phase-change memory which relies on the change in physical properties due to amorphous/crystalline phase change of phase-change material (PCM). We tried to develop new PCMs which can enhance phase-change memory performance. In transition-metal containing PCMs which enable lower energy-, faster speed-operation and higher heat resistance than conventional PCMs, transition-metal elements were found to form nano-clusters in the amorphous phase. The volume fraction of nano-clusters decreased with phase-change, which induces the drastic change in electrical properties. It was also found that the addition of nitrogen can suppress the formation of nano-clusters and control the electrical characteristics. Furthermore, we found a crystalline polymorphic PCM which does not require amorphization. The crystalline polymorphic phase-change material can realize phase-change memory showing ultralow energy- and ultrafast speed-operation.

  6. Development of self-lubricating tribology hard-coating showing a long tool life

    Sutou Yuji

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory)

    Category: Grant-in-Aid for Challenging Research (Exploratory)

    Institution: Tohoku University

    2018/06/29 - 2020/03/31

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    In order to further reduce the energy loss due to friction wear, tribological hard-coating with both wear resistance and low friction coefficient is expected to be developed. In this study, we attempted to fabricate self-lubricating tribological hard-coatings that achieve long tool life and reduction of energy loss by friction. As a result, it was found that the TiMoC coating with a high hardness (> 30 GPa) exhibits a low friction coefficient (< 0.3) because of self-forming lubrication of Mo oxide by wear oxidation, and its wear characteristics strongly depended on the sputtering deposition pressure. It was also found that the hardness depends on the valence electron concentration. Furthermore, it has been found that of a high hardness (Cr,Al) oxide coating with a γ-phase structure (hardness ~ 30GPa) can be realized by controlling the substrate temperature and the oxygen gas flow rate during the film deposition.

  7. Biodegradation rate controllable stent in Super-elastic Mg based alloys with self passivization oxide layer

    Ando Daisuke, KOIKE Junichi, SUTOU Yuji

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory)

    Category: Grant-in-Aid for Challenging Research (Exploratory)

    Institution: Tohoku University

    2017/06/30 - 2019/03/31

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    The purpose of this research are to develop novel Mg-Sc alloys with super-elasticity at ambient temperature and body temperature and to investigate the dissolution rate of various Mg-Sc alloys with Sc2O3 self-passivation oxide layer in 5% NaCl solution without convection. The study revealed that novel Mg-Sc alloy shows 3% of super-elastic strain and the dissolution rate of Mg-Sc alloys become slower with increasing Sc content, furthermore, the dissolution rate of α or β single phase is slightly slower than that of α+β dual phase.

  8. Formation behavior and mechanism of advanced LSI interconnections by dynamic nano-reflow method

    Koike Junichi

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)

    Category: Grant-in-Aid for Scientific Research (A)

    Institution: Tohoku University

    2015/04/01 - 2018/03/31

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    Performance of LSI devices has been continuously improved by shrinking device components. Recent devices encounter a problem of forming very narrow multilayer interconnections. In this project, we found the conditions to form 15 nm wide interconnections (M2 lines and vias) by a dynamic nano-reflow method of depositing Cu alloy at elevated temperatures. With this method, an alloying element was segregated at Cu/insulator interface and enhanced the wettability of the deposited metals. We also found that controlling parameters are surface curvature gradient in the initial deposition stage and thermal stress gradient during heating and cooling. The effects of each driving force are nearly the same magnitude. Based on the obtained results, we could simulate reflow behavior.

  9. A study of contact resistance between phase change material and electrode for next generation PCRAM

    Sutou Yuji, KOIKE Junichi, ANDO Daisuke, KOBAYASHI Keisuke, SONG Yun-Heub, SHINDO Satoshi

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2015/04/01 - 2018/03/31

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    With the scaling down of PCRAM cells, contact resistance between phase change material (PCM) and an electrode becomes a dominant factor in determining the memory cell resistance. In this study, we investigated the contact resistivity of PCM to a metal electrode. Then, we discussed the effect of the contact resistivity on the performance of the memory cell. We found that an amorphous Cu2GeTe3 (CGT)/W contact shows schottky conduction, i.e., a CGT/W is dominated by interface conduction. Moreover, we found new PCM, Cr2Ge2Te6 (CrGT) with a high thermal stability in amorphous state. The CrGT showed inverse resistance change upon phase change (Ramo<Rcry). Although the resistivity change of the CrGT was only one order of magnitude, the contact resistivity change was found to reach two orders of magnitude upon phase change. I was also found that the CrGT memory cell achieves more than an 85% reduction in total operation energy compared with a conventional GST memory cell.

  10. Mg-Sc based alloy with high strength and functionality using BCC/HCP phase transformation

    Ando Daisuke, KOIKE Junichi, SUTOU Yuji, OGAWA Yukiko, TAKEUCHI Yuta

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A)

    Category: Grant-in-Aid for Young Scientists (A)

    Institution: Tohoku University

    2015/04/01 - 2018/03/31

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    I focused novel Mg-Sc alloys with high strength and functionality using phase transformation. This study mainly shows Mg-Sc alloy exhibits Martensitic transformation from BCC phase to orthorhombic phase and the transformation produces super-elasticity and shape memory effects for the first time in the world. This result disproved Mg alloys can not exhibit Martensitic transformation because the hardness of Magnesium is too low. Furthermore, it indicates some possibility to use the Mg-Sc alloy for aerospace and medical application such as self expanding frames of solar panel and biodegradable implant material.

  11. Development of multi-level PCRAM showing four-resistance-level

    SUTOU YUJI, ANDO Daisuke, KOIKE Junichi, SAITO Yuta, SHINDO Satoshi

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research

    Category: Grant-in-Aid for Challenging Exploratory Research

    Institution: Tohoku University

    2015/04/01 - 2017/03/31

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    Phase change random access memory called PCRAM has attracted much attention as next generation nonvolatile memory because of its simple operation principle and production cost. PCRAM is operated by way of Joule heating to induce phase change between high resistance reset amorphous state and low resistance set crystalline state of phase change material. In this study, we proposed multi-level PCRAM showing four-resistance-level which can store 2 bit data. We investigated the composition dependence of Cu-Ge-Te film showing two-step crystallization process. Based on the results, we found that 23.4Cu-28.8Ge-47.8Te(CuGT)/GeTe(GT) stack-layered memory cell can exhibits four-resistance-level, i.e., [amo.CuGT+amo.GT], [amo.CuGT*cry.GT], [cry1.CuGT+cry.GT] and [cry2.CuGT+cry.GT]. These results indicate that Cu-Ge-Te/GeTe layered structure is expected to be multi-level PCRAM.

  12. Damping property of Mg-Sc alloys using a hybrid model of dislocation and twin

    ANDO DAISUKE, KOIKE JUNICHI, SUTO YUJI

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research

    Category: Grant-in-Aid for Challenging Exploratory Research

    Institution: Tohoku University

    2015/04/01 - 2017/03/31

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    We proposed a novel damping material with hybrid model of dislocation type and twin type using Mg-Sc alloys which can do Martensitic transformation. In this research period, we tried to clear the composition dependence on Martensitic transformation, the damping properties of HCP and BCC phase, and the optimized microstructure with good damping in Mg-Sc binary alloy. The Martensitic temperature strongly depends on the Sc composition. Furthermore, the martensitic temperature is ambient temperature in Mg-18.6at%Sc. However, the bcc phase is too soft to occur Martensitic transformation without dislocation. Therefore, we would like to propose third element addition for solid solute strengthening of BCC phase. The BCC phase can transform to HCP without variant selection. Therefore, we can make single hcp alloy with random crystal orientation.

  13. Fast phase change speed induced by surface oxidation of phase change material

    SUTOU Yuji, KOIKE Junichi, ANDO Daisuke

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research

    Category: Grant-in-Aid for Challenging Exploratory Research

    Institution: Tohoku University

    2013/04/01 - 2015/03/31

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    Phase change random access memory (PCRAM) has attracted much attention as a new class of non-volatile memory because of its low production cost and high scalability. Now, Ge-Sb-Te material is used for PCRAM because of its fast phase change speed and good repeatability. However, the Ge-Sb-Te shows low crystallization temperature (Tc) and consequently insufficient high temperature data retention. Meanwhile, a material with a high Tc shows a slow phase change speed. Therefore, an idea to realize a material with high Tc and fast crystallization speed is desired. In this study, we investigated the effect of preferential surface oxidation on crystallization speed in GeTe-Si phase change material. It was found that the crystallization starting time of the surface-oxidized film by O2 plasma-treatment was about 20% faster than that of a non-oxidized film. This fast crystal nucleation was suggested to be due to the formation of inhomogeneous nucleation sites at the film surface.

  14. Principles for the development of a diffusion barrier layer to overcome the process limitations of multi-layer interconnects for semiconductor devices

    KOIKE Junichi, SUTOU Yuji, NEISHI Koji, ANDO Daisuke

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S)

    Category: Grant-in-Aid for Scientific Research (S)

    Institution: Tohoku University

    2010/04/01 - 2015/03/31

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    Multilayer interconnection for semiconductors requires the decrease of a barrier layer thickness as thin as possible. This research has focused on the self-formation of the barrier layer and was aimed at understanding the formation mechanism so as to go beyond process limitation with novel materials and processes. The formation mechanism was found to be electric-field induced diffusion. The field strength was dependent on alloying elements, which led to the difference in the formation mechanism. In order to provide solutions to futuristic narrow lines, we developed a chemical vapor deposition method to form an ultrathin barrier layer and a sputter reflow method to fill very narrow lines with copper alloys.

  15. A study on phase change characteristics of Ge-Cu-Te alloy film for PCRAM

    SUTOU Yuji, KOIKE Junichi, KOBAYASHI Keisuke

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2011/04/01 - 2014/03/31

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    Phase change random access memory (PCRAM) has attracted much attention as a new class of non-volatile memories because of its low production cost and high scalability. PCRAM is operated by way of Joule heating to induce phase transition between high resistance amorphous (reset state) and low resistance crystalline (set state) phases of a phase change material (PCM). In this study, we proposed a new PCM, Ge-Cu-Te compounds, with high crystallization temperature and low melting point, and investigated their phase change behaviors and memory characteristics. We found that the GeCu2Te3 compound shows unique phase change characteristics, such as volume expansion by crystallization and reflectance increase by amorphization. Moreover, it was also found that the GeCu2Te3 compound shows a fast phase change speed. Therefore, the GCT film is strongly expected as a phase change material for PCRAM with low energy consumption, high data retention and fast writing speed.

  16. Development and the safety test of next-generation self and balloon expandable drugs eluting stent

    ISHIBASHI Tadashi, SUTOU Yuji

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2009 - 2012

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    Fundamental research of the next-generation stent was done. The treatment method of intimal hyperplasia in the amputation stump section was examined. The procedure of changing the form of an end piece, the method of changing the Nitinol pipe thickness, the procedure of carrying out polishing strong only against the limb section, the method of changing the memory by heat treatment, etc. were proposed. Using niobium as stent material cannot perform a safety test in the living body, but the identification of itis impossible at present. Furthermore, the metal material and the treatment procedure of having taken safety into consideration are under examination.

  17. New Functional Co-base Alloys-Phase stability and Its Industrial Applications

    ISHIDA Kiyohito, OHNUMA Ikuo, KAINUMA Ryosuke, OIKAWA Katsunari, YAMAUCHI Kiyoshi, SUTOU Yuji

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S)

    Category: Grant-in-Aid for Scientific Research (S)

    Institution: Tohoku University

    2007 - 2011

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    Thermodynamic database on Co-base alloys has been constructed based on the experimental determinations and thermodynamic assessments by Calphad (Calculation of Phase Diagrams)approach. Using this database, a new type of Co-base superalloys strengthend by the L1_2 compound of γ' Co_3(Al, W)phase has been designed. The developed wrought Co-base superalloy shows the expected creep strength of 100MPa at 800 oC for 10^5 hours, while the cast Co-base superalloy has been applied to the FSW (Friction Stir Welding)tool for practical use. It is shown that the Co-W thin film and Co-based Heusler alloys are attracted for magnetic recording media and spin electronics, respectively. Furthermore, the optimum conditions for compositions and heat treatment to form porous structure on the surface to develop drug eluting stent have been obtained by microstructural control of γ (fcc)/β (B2)lamellar structure of Co-Al-based alloys.

  18. 多値記録を可能とするTe-Si系多段相変化メモリの創製

    須藤 祐司

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 挑戦的萌芽研究

    Category: 挑戦的萌芽研究

    Institution: 東北大学

    2009 - 2010

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    本研究では、Te-Si系アモルファス薄膜の結晶化挙動および電気抵抗変化を調査し下記の知見を得た。 (1)Te-Siアモルファス薄膜の相変化挙動 相変化メモリでは、相変化材料の結晶化による体積収縮によりセル内に応力が蓄積し繰返し特性に悪影響を及ぼす事が指摘されている。本実験では、Te-15at.%Siアモルファス薄膜の結晶化に伴う膜厚変化を調査した。その結果、第一結晶化に伴い約3.5%収縮する事が分った。その後の加熱により、電気抵抗の上昇に伴い膜厚が1%程度増加した後、第二結晶化により、アモルファス状態よりも約5%膜厚が減少した。既存相変化材料であるGe_2Sb_2Te_5は結晶化に伴い6.5%程度膜厚が減少し、その後の構造変化により更に約2%収縮する事が報告されている。本Te-Si薄膜の結晶化に伴う膜厚変化は、既存GSTよりも小さく繰り返し特性にも優れる事が期待される。 (2)Te-Si-X薄膜の基礎物性 本研究では、Te-Si二元薄膜の諸物性に及ぼす添加元素X(Ge,Cuなど)の影響を調査した。その結果、Te-Si-Ge三元薄膜において、高い結晶化温度を得られる事が分った。特にTe-13at.%Si-43at.%Ge(TSG)薄膜において300℃程度の結晶化温度が得られる事が分った。TSG薄膜は、明瞭な二段結晶化は示さないものの、結晶化後、その電気抵抗は温度の上昇と共に緩やか減少し、400℃程度で一定の値に落ち着く。結晶化に伴い100℃程度の範囲で緩やかに雌気抵抗が減少し、更に結晶化による電気抵抗変化は10^4Ω程度と大きく、多値記録材料として有望である事が示唆された。

  19. 低比重鉄鋼の開発 Competitive

    System: The Other Research Programs

    2007/04 - 2009/03

  20. TiXN系ハードコーティング膜の組織制御 Competitive

    System: The Other Research Programs

    2008/04 -

  21. 操作性・安全性に優れる機能傾斜型Cu-Al-Mn系医療用ガイドワイヤーの開発 Competitive

    System: Industrial Science and Technology Frontier Program

    2006/04 - 2008/03

  22. 超弾性20カラットAu合金の開発とその医療材料への展開 Competitive

    System: Grant-in-Aid for Scientific Research

    2006/04 - 2008/03

  23. 相変化メモリー用新規高抵抗薄膜材料の創製 Competitive

    System: The Other Research Programs

    2007/09 -

  24. 輸送性・留置任意性に優れるTi-Ni系超弾性ステントの開発とその応用 Competitive

    System: The Other Research Programs

    2006/04 - 2007/03

  25. 高生体適合性Ti-Mo-Sn超弾性合金を用いたガイドワイヤーおよびステントの開発とその臨床応用 Competitive

    System: The Other Research Programs

    2006/04 - 2007/03

  26. 超弾性20カラットAu合金の開発とその医療材料への展開

    須藤 祐司, 山内 清, 貝沼 亮介, 石田 清仁

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 萌芽研究

    Category: 萌芽研究

    Institution: 東北大学

    2006 - 2007

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    本研究では、高比重貴金属超弾性合金の創製を目的として、種々のAu系合金をはじめとする種々の貴金属系合金を溶製し、相平衡およびマルテンサイト変態を調査し下記の知見を得た。 [1.合金設計]前年度の知見より、Au-Cu-Al-Mn合金において、19.2カラット以上のAuを含むAu系形状記憶合金(比重:約13.3g/cm^3)を開発したが、極めて脆く、良好な超弾性効果を得ることが出来ない事が明らかとなった。そこで本研究では貴金属系Au-Pd合金に着目し、各種合金の相安定性を調査したところ、Au-Pd-In合金のPdリッチ側において、マルテンサイト変態することを見出した。更に、範囲を広げ相平衡を調査した所、Pd-In-Fe合金においてマルテンサイト変態が生じ、形状記憶効果を示す事が分かった。本合金においても10g/cm^3以上の比重が得られるためAu系合金同様に、高造影性医療用材料となり得る。 [2.超弾性特性]Pd-In系合金は、固液2相領域が狭く、極めて単結晶が作製し易い事が分かった。そこで、μPD引下げ法によりφ1.5mm程度の単結晶線材を作製し、超弾性特性を評価したところ、4%以上の超弾性歪みが得られる事が分かった。この実測値は現象論解析より予測される値と良い一致を示した。その結果より単結晶方位を適切に制御することにより最大で約15%の超弾性歪みを得られると示唆される。 [3.医療デバイス可能性]アノード分極測定により、本合金は極めて耐食性に優れる事が判った。Pdは既に歯科用材料としても知られており、本貴金属系Pd-In高比重超弾性合金の医療デバイス材料への適用が期待される。

  27. 高剛性を有する超弾性Cu-Al-Mn系合金の開発とその低侵襲医療デバイスへの展開

    須藤 祐司

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 若手研究(A)

    Category: 若手研究(A)

    Institution: 東北大学

    2006 - 2007

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    本研究では、全年度の知見を基に、Cu-Al-Mn系超弾性合金の高強度化およびその応用を目指し、本合金の低温時効硬化現象を詳細に調査し以下の知見を得た。 [1.超弾性特性] Cu-Al-Mn-Ni合金において、集合組織および粒径ならびにベイナイト変態を適切に制御することにより、1000MPaの超弾性プラトー応力かつ4%程度の超弾性歪みを示す高強度超弾性合金のが得られる事が分かった。時効処理によりベイナイト変態した超弾性合金のマルテンサイト変態誘起応力の温度依存性dσ/dTは、焼入れまま材のそれよりも小さく、その値はクラジウス-クラペイロンの関係より予測される値と一致する。本合金のdσ/dTはTi-Niのそれに比べ、約1/3程度であり、温度が変化する環境にておいてもほぼ一定の超弾性回復応力が得られる。 [2.疲労特性] 時効処理により高強度化したCu-Al-Mn系超弾性合金の疲労特性を引張サイクル試験により評価した所、従来合金に比し、疲労強度が極めて高く優れた疲労特性を示すことが分かった。これは、ベイナイト変態による析出硬化により母相が強化され転位が動きにくくなったためと考えられる。集合組織、粒径、析出硬化を適切に制御することによりTi-Niに匹敵する疲労特性を示す。 [3.応用] 上記の知見を基に、加工熱処理による組織制御を駆使し、剛性傾斜型のガイドワイヤー(GW)の試作を試みた。本剛性傾斜型GWは、従来Ti-Ni超弾性GWに比し、優れた突き出し性、トルク伝達性を示し、操作性に優れる。また、高強度・高超弾性歪みを有する合金を用いた制震部材の開発を検討し特許出願を行った。

  28. Cu-Al-Mn系超弾性合金の高性能化とその医療および電子機器材料への応用

    須藤 祐司

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 特別研究員奨励費

    Category: 特別研究員奨励費

    Institution: 東北大学

    2001 - 2003

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    「Cu-Al-Mn系超弾性合金の高性能化とその医療および電子機器材料への応用」に関する研究を行った結果、主として以下のような知見を得た。 1、Cu-Al-Mnガイドワイヤー:本研究では、今までの研究成果を基に1.5mの実長の傾斜機能特性を有するCu-Al-Mn基合金ガイドワイヤーの試作を行い、その操作性を評価した。ガイドワイヤーには、親水性の樹脂コーティングを施した。本研究では、医者の手元部操作性に非常に重要な因子であるガイドワイヤーのトルクコントロール性を評価した。評価法は、擬似的な血管として内径φ3mmのテフロンチューブを用いた。2巻きに束ねたチューブの中にガイドワイヤーを挿入し、手元部の回転の先端部への伝達性を測定した。剛性が不十分なNi-Tiガイドワイヤーは、手元部の回転角が大きくなるに従い先端部に回転が十分に伝達しなくなり、ある角度に達すると突然先端部が回転し始めるウィッピング現象が観察される。この現象は、血管を損傷するため発生してはならない現象である。一方、本Cu-Al-Mnガイドワイヤーは、その現象は一切観察されず、手元部の回転が先端部に正確に伝達し、優れたトルクコントロール性を有していることが分った。本ガイドワイヤーは、突き出し性にも優れているため、その実用化は極めて期待できる。 2、Cu-Al-Mn合金製チューブ:本研究では、本合金の医療用ステントへの実用化を検討するため、Cu-Al-Mn合金チューブの作製および特性の評価を行った。本Cu-Al-Mn合金は、非常に加工性に優れているため、チューブ形状にも簡単に成形できることが分った。また、本合金チューブは、良好な形状記憶特性および超弾性特性を有し、特に3%程度の超弾性歪みを有することが分った。このようなCu基形状記憶チューブは、世界的に見ても初めて達成されたものであり、医療用ステントばかりでなく、他の分野への実用化が非常に期待される。

  29. X2AlMn(X:Cu,Ni,Co)ホイスラー型スマート材料の研究

    須藤 祐司

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 特別研究員奨励費

    Category: 特別研究員奨励費

    Institution: 東北大学

    1998 - 2000

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Social Activities 10

  1. 高性能メモリー材料を開発

    2011/11/25 -

  2. 次世代メモリーに新材料

    2010/11/25 -

  3. 耐熱性2倍の相変化メモリー

    2010/11/25 -

  4. 銅系で加工性向上

    2008/07/23 -

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    Ti-Ni合金並みの銅系形状記憶合金を開発

  5. 東北大が形状記憶合金

    2007/08/21 -

  6. パラジウム系で開発

    2007/08/21 -

  7. X線造影性に富むPd系形状記憶材料

    2007/08/17 -

  8. ニクロム線比1.5倍

    2005/03/21 -

  9. 制振性能1.5倍以上に

    2005/03/11 -

  10. 高抵抗のFe系合金を開発

    2005/03/08 -

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Other 8

  1. インバータイプ比抵抗を有するFe-Mn-Al系合金の開発

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    インバータイプ比抵抗を有するFe-Mn-Al系合金の開発

  2. 高温データ保持性、多値記録を可能とするSbZn系相変化メモリの開発

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    Sb-Zn系の新規相変化材料を用い、その相変態挙動を調査し、不揮発性メモリへの適用を試みる。

  3. ハイブリッド組織型Mo酸化物を利用した低摩擦・耐摩耗性硬質コーティングに関する研究

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    ハイブリッド組織型Mo酸化物を利用して低摩擦・耐摩耗性に優れる硬質コーティングを開発する。

  4. 低摩擦係数Mo酸化物を利用した耐磨耗・耐溶着性に優れる(Ti,Mo)系酸窒化物硬質被膜の開発

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    近年、切削加工分野では、環境への配慮から潤滑レスやドライ加工の実現が要求されると共に、切削工具の長寿命化が望まれている。切削工具には、耐摩耗性向上のためにTiN等の硬質皮膜が設けられているが、既存皮膜はその高い摩擦係数から耐摩耗性・耐溶着性に乏しい事が課題となっている。本研究では、低摩擦係数を有するMo酸化物に着目し、耐摩耗性・耐溶着性に優れる新規(Ti,Mo)酸窒化物硬質皮膜の開発を試みる。

  5. PCRAM用「TeフリーSbZn相変化材料」の開発

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    近年、次世代不揮発性メモリとして、製造コスト・集積度面で有利な相変化メモリ (PCRAM)が注目されている。本研究は、大容量化を可能とする「TeフリーSbZn相変化材料」の開発を目的とする。

  6. Mg-Sc系合金の研究

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    Mg-Sc系合金の研究

  7. 摩擦係数低減を目指した多相層状組織を有する(Ti,Mo)(N,O)系硬質膜の開発

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    摩擦係数低減を目指した多相層状組織を有する(Ti,Mo)(N,O)系硬質膜の開発を目指す

  8. 低比重高強度鋼の開発

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    Fe-Al-Mn-C系をベースとした低比重鉄鋼の創製を目指す。

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