Details of the Researcher

PHOTO

Ying. Chen
Section
Institute for Excellence in Higher Education
Job title
Specially Appointed Professor(Research)
Degree
  • 博士(工学)(東京大学)

  • 修士(理学)(中国北京科学技術大学)

Research History 5

  • 2013/05 - Present
    Tohoku University Fracture and Reliability Research Institute, School of Engineering Professor

  • 2009/11 - 2013/04
    Tohoku University Institute for International Education Associate Professor

  • 2009/04 - 2009/10
    Materials Phase Data System (Switzerland), and Visiting Researcher at RACE, The University of Tokyo Chief Scientist

  • 2002 - 2009/03
    The University of Tokyo Department of Quantume Engineering and System Science, Deaprtment of Systems Innovation, School of Engineering Associate Professor

  • 1996/04 - 2002/03
    Japan Science and Technology Agency (JST) Division of Research Database Invited Researcher

Education 3

  • The University of Tokyo School of Engineering (Ph.D.) Department of Quantum Engineering and System Science

    1993/04 - 1996/03

  • University of Science and Technology, Beijing Department of Physics Master's Degree in Physics

    1983/09 - 1986/12

  • Beijing Normal University Department of Physics Bachelor's Degree in Physics

    1978/03 - 1982/02

Professional Memberships 8

  • The Engineering Academy of Japan (EAJ)

  • Japan Institute of Metals (JIM)

  • Japan Physics Society (JPS)

  • Magnetic Society of Japan (MSJ)

  • Atomic Energy Society of Japan (AESJ)

  • Iron and Steel Institute of Japan (ISIJ )

  • TMS (The Minerals, Metals & Materials Society, USA)

  • MRS (Materials Research Society, USA)

︎Show all ︎Show first 5

Research Interests 3

  • Computational materials science

  • Condensed matter physics

  • Materials design Science

Research Areas 2

  • Nanotechnology/Materials / Structural and functional materials / Computational materials science, First-principles, Materials design Science

  • Natural sciences / Mathematical physics and basic theory / Condensed matter physics

Papers 107

  1. EFTGAN: Elemental features and transferring corrected data augmentation for the study of high-entropy alloys Peer-reviewed

    Yibo Sun, Cong Hou, Nguyen-Dung Tran, Yuhang Lu, Zimo Li, Ying Chen, Jun Ni

    npj Computational Materials 11 (1) 2025/03/01

    Publisher: Springer Science and Business Media LLC

    DOI: 10.1038/s41524-025-01548-y  

    eISSN: 2057-3960

  2. Mitigating ZrCr2 formation at the Cr/Zr interface through trace doping of Zn, Mg and Sn into Cr coatings: A combined first-principles computational and experimental investigation Peer-reviewed

    Bo Li, Theresa Davey, Huilong Yang, John Andrew Kane Jovellana, Sho Kano, Ying Chen, Hiroaki Abe

    Journal of Nuclear Materials 603 155375-155375 2025/01

    Publisher: Elsevier BV

    DOI: 10.1016/j.jnucmat.2024.155375  

    ISSN: 0022-3115

  3. Simultaneous Superconducting and Topological Properties in Mg–Li Electrides at High Pressures Peer-reviewed

    Dan Wang, Hongxing Song, Qidong Hao, Guangfa Yang, Hao Wang, Leilei Zhang, Ying Chen, Xiangrong Chen, Huayun Geng

    The Journal of Physical Chemistry C 129 (1) 689-698 2024/12/18

    Publisher: American Chemical Society (ACS)

    DOI: 10.1021/acs.jpcc.4c06309  

    ISSN: 1932-7447

    eISSN: 1932-7455

  4. Unique magnetic transition process demonstrating the effectiveness of bond percolation theory in a quantum magnet Peer-reviewed

    Xu-Guang Zheng, Ichihiro Yamauchi, Masato Hagihala, Eiji Nishibori, Tatsuya Kawae, Isao Watanabe, Tomoki Uchiyama, Ying Chen, Chao-Nan Xu

    Nature Communications 15 (1) 2024/11/25

    Publisher: Springer Science and Business Media LLC

    DOI: 10.1038/s41467-024-54335-6  

    eISSN: 2041-1723

  5. p‐Orbital Ferromagnetism Arising from Unconventional O Ionic State in a New Semiconductor Sr2AlO4 with Insufficiently Bonded Oxygen Peer-reviewed

    Xu‐Guang Zheng, Chao‐Nan Xu, Tomoki Uchiyama, Ichihiro Yamauchi, Tomasz Galica, Eiji Nishibori, Ying Chen

    Advanced Science 2024 2410977 2024/11/07

    Publisher: Wiley

    DOI: 10.1002/advs.202410977  

    ISSN: 2198-3844

    eISSN: 2198-3844

    More details Close

    Abstract Oxygen in solids usually exists in an O2− ionic state. As a result, it loses its magnetic nature of a single atom, wherein two unpaired electrons exist in its outer 2p orbitals. Here, it is shown that an unconventional stable ionic state of O is realized in a new semiconductor material Sr2AlO4, leading to an intrinsic p‐orbital ferromagnetism stable until ≈900 K. Experimental and theoretical investigations have clarified that one‐fourth of the oxygen atoms in Sr2AlO4 are insufficiently bonded in the crystal structure, resulting in a unique O‐state and p‐orbital ferromagnetism. To date, the O state is reported to exist only in non‐equilibrium conditions, and p‐orbital magnetism is only suggested in impurity bands with small ferromagnetic moments. The present work provides a new route for creating ferromagnetism in semiconductors and exploring new p‐orbital physics and chemistry. In addition, the material shows elastic‐mechanoluminescence that may enable unprecedented mechano‐photonic‐spintronics.

  6. Anharmonicity in negative thermal expansion materials ZrW2O8 and ZrV2O7: Three-phonon interactions Peer-reviewed

    Lei Wang, Ya-Ning Sun, Zhi-Hao Yao, Ying Chen, Cong Wang

    Physics Letters A 517 129667-129667 2024/08

    Publisher: Elsevier BV

    DOI: 10.1016/j.physleta.2024.129667  

    ISSN: 0375-9601

  7. Screw dislocation core interaction with C or Nb in 𝛾-TiAl: A multiscale study Peer-reviewed

    Jinkai Wang, Tianlun Tan, Junchao Li, Ying Chen, Hao Wang

    Acta Materialia 266 119647-11pp 2024/03

    DOI: 10.1016/j.actamat.2023.119647  

  8. Atomic sizes of Cu and Au in Cu-Au solid solution and the lattice relaxation effects on disorder-Cu3Au phase equilibria Peer-reviewed

    Tetsuo Mohri, Ying Chen, Hoshiaki Horiuchi

    Computational Materials Science 235 112772-6pp 2024/02

    DOI: 10.1016/j.commatsci.2023.112772  

  9. Universal Metallic Surface States in Electrides Peer-reviewed

    Dan Wang, Hongxing Song, Leilei Zhang, Hao Wang, Yi Sun, Fengchao Wu, Ying Chen, Xiangrong Chen, Huayun Geng

    The Journal of Physical Chemistry C 128 (4) 1845-1854 2024/01/23

    Publisher: American Chemical Society (ACS)

    DOI: 10.1021/acs.jpcc.3c07496  

    ISSN: 1932-7447

    eISSN: 1932-7455

  10. Study on the Anharmonic Interaction in Negative Thermal Expansion Compounds Ag2O and Cu2O by Three-Phonon Scattering Peer-reviewed

    Lei Wang, Ya-Ning Sun, Ying Chen, Cong Wang

    J. Phys. Chem. C 128 1534-1545 2024/01

    DOI: 10.1021/acs.jpcc.3c07694  

  11. Prediction of novel ordered phases in U-X (X= Zr, Sc, Ti, V, Cr, Y, Nb, Mo, Hf, Ta, W) binary alloys under high pressure Peer-reviewed

    Xiao L. Pan, Hong X. Song, H. Wang, F.C. Wu, Y.C. Gan, Xiang R. Chen, Ying Chen, Hua Y. Geng

    Acta Materialia 263 119489-13pp 2023/11

    DOI: 10.1016/j.actamat.2023.119489  

  12. The uniaxial zero thermal expansion and zero linear compressibility in distorted Prussian blue analogue RbCuCo(CN)6 Peer-reviewed

    Lei Wang, Ya-Ning Sun, Xian-Deng Wei, Meng Yin, Ying Chen, Hideo Miura, Ken Suzukib, Cong Wang

    Phys. Chem. Chem. Phys 25 32845-32852 2023/11

    DOI: 10.1039/d3cp04563c  

  13. Synthetic first-principles studies from phase equilibria to microstructural formation in the Fe-Pt L10 phase Peer-reviewed

    M. Ohno, Y. Chen, Y. Chinda, T. Mohri

    Phys. Rev. B 107 174111 (8 pp) 2023/05

    DOI: 10.1103/PhysRevB.107.174111  

  14. An accurate interatomic potential for the TiAlNb ternary alloy developed by deep neural network learning method Peer-reviewed

    Jiajun Lu, Jinkai Wang, Kaiwei Wan, Ying Chen, Hao Wang, Xinghua Shi

    J. Chem. Phys. 158 204702 (10 pp) 2023/05

    DOI: 10.1063/5.0147720  

  15. Prediction of novel final phases in aged uranium-niobium alloys Peer-reviewed

    Xiao L. Pan, Hao Wang, Lei L. Zhang, Yu F. Wang, Xiang R. Chen, Hua Y. Geng, Ying Chen

    Journal of Nuclear Materials 579 154394 (11 pp) 2023/03

    DOI: 10.1016/j.jnucmat.2023.154394  

  16. DFT Calculations of Structural, Magnetic and Stability of FeNiCo-based and FeNiCr-based Quaternary Alloys Peer-reviewed

    Nguyen-Dung Tran, Theresa Davey, Ying Chen

    J. Appl. Phys 133 045101 (12 pp) 2023/01

    DOI: 10.1063/5.0134915  

  17. Element-wise Representations with ECNet for Material Properties Prediction and Application in High-Entropy Alloys Peer-reviewed

    X. M. Wang, N.-D. Tran, S. Zeng, C. Hou, Y. Chen, N. Jun

    npj Comput. Mater. 8 253 (10 pp) 2022/12

    DOI: 10.1038/s41524-022-00945-x  

  18. Penta-graphene and phagraphene: thermal expansion, linear compressibility, and Poisson’s ratio Peer-reviewed

    Lei Wang, Ying Chen, Hideo Miura, Ken Suzuki, Cong Wang

    Journal of Physics: Condensed Matter 34 505301(11 pp) 2022/10

  19. Anharmonic interaction in negative thermal expansion material CaTiF6 Peer-reviewed

    Lei Wang, Ying Chen, Jun Ni, Feng Ye, Cong Wang

    Inorganic Chemistry 61 17378-17386 2022/10

    DOI: 10.1021/acs.inorgchem.2c03263  

  20. Tunable uniaxial, area, and volume negative thermal expansion in quartz-like and diamond-like metal–organic frameworks Peer-reviewed

    Lei Wang, Ying Chen, Hideo Miura, Ken Suzuki, Cong Wang

    RSC Advances, 12 (34) 21770-21779 2022/08

    DOI: 10.1039/d2ra03292a  

    eISSN: 2046-2069

  21. Influences of multicenter bonding and interstitial elements on pseudo-twinned γ-TiAl crystal Peer-reviewed

    Jianxin Huang, Jinkai Wang, Hao Wang, Jiajun Lu, Xiao-Gang Lu, Jun Jiang, Ying Chen

    Phys. Scr. 97 085403(10pp)) 2022/07

    DOI: 10.1088/1402-4896/ac8123  

  22. Vacancy ordering in sub-stoichiometric zirconium carbide: A review Invited Peer-reviewed

    Theresa Davey, Ying Chen

    Int. J. Ceramic Eng. & Sci. 2022 1-24 2022/03

    DOI: 10.1002/ces2.10126  

  23. Development of a Prototype Thermodynamic Database for Nd-Fe-B Permanent Magnets Peer-reviewed

    Taichi ABE, Masao MORISHITA, Ying CHEN, Arkapol SAENGDEEJING, Kiyoshi HASHIMOTO, Yoshinao KOBAYASHI, Ikuo OHNUMA, Toshiyuki KOYAMA, Satoshi HIROSAWA

    Journal of the Japan Society of Powder and Powder Metallurgy 69 (Supplement) S52-S62 2022/01/30

    Publisher: Japan Society of Powder and Powder Metallurgy

    DOI: 10.2497/jjspm.69.s52  

    ISSN: 0532-8799

    eISSN: 1880-9014

  24. Cubic halide perovskites as potential low thermal conductivity materials;A combined;approach of machine learning;first-principles calculations Peer-reviewed

    Xinming Wang, Yinchang, Zhao Shuming, Zeng, Zhuchi Wang, Ying Chen, Jun Ni

    Phy. Rev. B 105 014310 (11 pp) 2022/01/27

    DOI: 10.1103/PhysRevB.105.014310  

  25. The effect of impurities o;stacking fault energy;dislocation properties in γ-TiAl Peer-reviewed

    Jinkai Wang, Qiyang Li, Zhanpeng Lu, Hao Wang, Xiao-Gang Lu, Ying Chen

    Vacuum 197 110866 (7 pp) 2022/01

    DOI: 10.1016/j.vacuum.2021.110866  

  26. The effect of oxygen impurities on the stability and structural properties of vacancy-ordered and -disordered ZrCx Peer-reviewed

    Theresa Davey, Ying Chen

    RSC Adv. 12 3198-3215-3215 2022/01

    DOI: 10.1039/D1RA07768F  

  27. Sm–Ti binary thermodynamic database and phase diagram Peer-reviewed

    Arkapol Saengdeejing, Ying Chen, Osamu Takeda, Masanori Enoki, Satoshi Sugimoto, Hiroshi Ohtani, Abe Taichi

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 75 2021/12

    DOI: 10.1016/j.calphad.2021.102357  

    ISSN: 0364-5916

  28. First-Principles Investigation on Work Function of Martensitic Carbon Steels: Effect of Interstitial Carbon on Anodic Dissolution Resistance Peer-reviewed

    Mariko Kadowaki, Arkapol Saengdeejing, Izumi Muto, Ying Chen, Takashi Doi, Kaori Kawano, Yu Sugawara, Nobuyoshi Hara

    Journal of The Electrochemical Society 168 (11) 111503-111503 2021/11/01

    Publisher: The Electrochemical Society

    DOI: 10.1149/1945-7111/ac3276  

    ISSN: 0013-4651

    eISSN: 1945-7111

    More details Close

    The effect of interstitial carbon on the work function and the dissolution resistance of martensitic carbon steels was investigated. Ultraviolet photoelectron spectroscopy measurements of 0.001%C, 0.44%C, and 0.88%C specimens showed that the work function of steels increased with the amount of interstitial carbon. In addition, first-principles calculations indicated that the presence of interstitial carbon clearly increased the work function on both the (110) and (100) orientation surfaces. The immersion tests and potentiodynamic polarization measurements of the specimens were conducted in 50 mM C 8 H 5 KO 4 at pH 4.0, and it was clarified that the anodic dissolution reaction was suppressed as the amount of interstitial carbon increased. The improvement in work function appeared to be related to the superior anodic dissolution resistance.

  29. Improving Thermodynamic Stability of SmFe12-Type Permanent Magnets from High Entropy Effect Peer-reviewed

    Arkapol Saengdeejing, Ying Chen

    Journal of Phase Equilibria and Diffusion 42 (5) 592-605 2021/10/01

    Publisher: Springer

    DOI: 10.1007/s11669-021-00894-w  

    ISSN: 1863-7345 1547-7037

  30. Stability and Thermodynamics Properties of CrFeNiCoMn/Pd High Entropy Alloys from First Principles Peer-reviewed

    Nguyen Dung Tran, Arkapol Saengdeejing, Ken Suzuki, Hideo Miura, Ying Chen

    Journal of Phase Equilibria and Diffusion 42 (5) 606-616 2021/10

    DOI: 10.1007/s11669-021-00900-1  

    ISSN: 1547-7037

    eISSN: 1863-7345

  31. The bonding variation of γ-TiAl during deformation Peer-reviewed

    Jinkai Wang, Xin Cui, Jianxin Huang, Hao Wang, Zhanpeng Lu, Yanlin He, Ying Chen

    Physical Chemistry Chemical Physics 23 (6) 3905-3914 2021/02/14

    DOI: 10.1039/d0cp06395a  

    ISSN: 1463-9076

  32. Interplay of Anionic Quasi-Atoms and Interstitial Point Defects in Electrides: Abnormal Interstice Occupation and Colossal Charge State of Point Defects in Dense fcc-Lithium Peer-reviewed

    Leilei Zhang, Qiang Wu, Shourui Li, Yi Sun, Xiaozhen Yan, Ying Chen, Hua Y. Geng

    ACS Applied Materials and Interfaces 13 (5) 6130-6139 2021/02/10

    DOI: 10.1021/acsami.0c17095  

    ISSN: 1944-8244

    eISSN: 1944-8252

  33. Stability and structural properties of vacancy-ordered and -disordered ZrCx Peer-reviewed

    Theresa Davey, Ken Suzuki, Hideo Miura, Ying Chen

    RSC Advances 11 (52) 32573-32589 2021

    Publisher: Royal Society of Chemistry (RSC)

    DOI: 10.1039/d1ra06362f  

    eISSN: 2046-2069

    More details Close

    The origin of vacancy ordering in ZrCx is explained considering structure geometry, electronic charge distribution, and atomic bonding features, and linked to stability and volume trends in the vacancy-ordered and -disordered zirconium carbides.

  34. First-principles-only CALPHAD phase diagram of the solid aluminium-nickel (Al-Ni) system Peer-reviewed

    Theresa Davey, Nguyen-Dung Tran, Arkapol Saengdeejing, Ying Chen

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 71 2020/12/01

    Publisher: Elsevier Ltd

    DOI: 10.1016/j.calphad.2020.102008  

    ISSN: 0364-5916

  35. Influences of multicenter bonding and interstitial elements on twinned γ-TiAl Crystal Peer-reviewed

    Zehang Fu, Jinkai Wang, Hao Wang, Xiaogang Lu, Yanlin He, Ying Chen

    Materials 13 (9) 2020/05/01

    DOI: 10.3390/MA13092016  

    eISSN: 1996-1944

  36. Roles of Interstitial Nitrogen, Carbon, and Boron in Steel Corrosion: Generation of Oxyanions and Stabilization of Electronic Structure Peer-reviewed

    Mariko Kadowaki, Arkapol Saengdeejing, Izumi Muto, Ying Chen, Gerald S. Frankel, Takashi Doi, Kaori Kawano, Yu Sugawara, Nobuyoshi Hara

    Journal of The Electrochemical Society 167 (8) 081503-081503 2020/04/23

    Publisher: The Electrochemical Society

    DOI: 10.1149/1945-7111/ab8926  

    eISSN: 1945-7111

  37. First-principles analysis of the inhibitive effect of interstitial carbon on an active dissolution of martensitic steel Peer-reviewed

    Mariko Kadowaki, Arkapol Saengdeejing, Izumi Muto, Ying Chen, Hiroyuki Masuda, Hideki Katayama, Takashi Doi, Kaori Kawano, Hideo Miura, Yu Sugawara, Nobuyoshi Hara

    Corrosion Science 163 2020/02

    DOI: 10.1016/j.corsci.2019.108251  

    ISSN: 0010-938X

  38. Evaluations of variant models for stacking fault energy based on γ-TiAl Peer-reviewed

    Jinkai Wang, Zehang Fu, Zhanpeng Lu, Hao Wang, Yanlin He, Masanori Kohyama, Ying Chen

    Philosophical Magazine 99 (24) 3096-3115 2019/12/17

    DOI: 10.1080/14786435.2019.1660013  

    ISSN: 1478-6435

    eISSN: 1478-6443

  39. Theoretical study of the edge effect of dumbbellshape graphene nanoribbon with a dual electronic properties by first-principle calculations Peer-reviewed

    Qinqiang Zhang, Takuya Kudo, Jowesh Gounder, Ying Chen, Ken Suzuki, Hideo Miura

    International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2019-September 2019/09

    DOI: 10.1109/SISPAD.2019.8870398  

  40. Black phosphorene exhibiting negative thermal expansion and negative linear compressibility Peer-reviewed

    Lei Wang, Cong Wang, Ying Chen

    Journal of Physics Condensed Matter 31 (46) 2019/08/20

    DOI: 10.1088/1361-648X/ab3673  

    ISSN: 0953-8984

    eISSN: 1361-648X

  41. Failure mode in first-principles computational tensile tests of grain boundaries: Effects of a bulk-region size, dominant factors, and local-energy and local-stress analysis Peer-reviewed

    Hao Wang, Masanori Kohyama, Shingo Tanaka, Jinkai Wang, Ying Chen

    Journal of Physics Condensed Matter 31 (9) 2019/01/16

    DOI: 10.1088/1361-648X/aaf7f2  

    ISSN: 0953-8984

    eISSN: 1361-648X

  42. Accuracy of Real Space Cluster Expansion for Total Energies of Pd-rich PdX (X=Rh, Ru) Alloys, based on Full-Potential KKR Calculations for Perfect and Impurity Systems Peer-reviewed

    Mitsuhiro Asato, Chang Liu, Nobuhisa Fujima, Toshiharu Hoshino, Ying Chen, Tetsuo Mohri

    MATEC Web of Conferences 264 03002-03002 2019

    Publisher: {EDP} Sciences

    DOI: 10.1051/matecconf/201926403002  

    ISSN: 2261-236X

    More details Close

    <jats:p>We study the accuracy and convergence of the real space cluster expansion (RSCE) for the total energies of the Pd-rich PdX (X=Ru, Rh) alloys, which are used to study the phase stability and phase equilibria of the Pd-rich PdX alloys. In the present RSCE, the X atoms of minor element are treated as impurities in Pd. The <jats:italic>n</jats:italic>-body interaction energies (IEs) among X impurities in Pd, being used in the expansion of the total energies of the Pd-rich PdX alloys, are determined uniquely and successively from the low body to high body, by the full-potential Korringa-Kohn-Rostoker (FPKKR) Green's function method (FPKKR) for the perfect and impurity systems (Pd-host and X<jats:sub><jats:italic>n</jats:italic></jats:sub> in Pd, <jats:italic>n</jats:italic>=1~4), combined with the generalized gradient approximation in the density functional theory. In the previous paper, we showed that the RSCE, in which the perturbed potentials due to the insertion of X<jats:sub><jats:italic>n</jats:italic></jats:sub> impurities in Pd were redetermined self-consistently up to the first-nearest neighboring (<jats:italic>nn</jats:italic>) host atoms around X<jats:sub><jats:italic>n</jats:italic></jats:sub> impurities, reproduce fairly well (the error of ~ 0.2mRy per atom) the FPKKR-band-calculation result of the ordered Pd<jats:sub>3</jats:sub>Rh alloy in L1<jats:sub>2</jats:sub> structure, but a little wrongly (the error of ~ 0.7mRy per atom) for the ordered Pd<jats:sub>3</jats:sub>Ru alloy in L1<jats:sub>2</jats:sub> structure. In the present paper, we show that this small RSCE error for the Pd3Ru alloy is corrected very well (from ~ 0.7mRy to ~ 0.1mRy per atom) by enlarging the self-consistent region for the perturbed potentials up to the 2nd-nn host atoms around Run impurities in Pd. We also clarify the correction for each value of the n-body (<jats:italic>n</jats:italic>=1~ 4) IEs.</jats:p>

  43. Optical properties of dense lithium in electride phases by first-principles calculations Peer-reviewed

    Zheng Yu, Hua Y. Geng, Y. Sun, Y. Chen

    Scientific Reports 8 (1) 2018/12/01

    DOI: 10.1038/s41598-018-22168-1  

    eISSN: 2045-2322

  44. Computational phase diagrams for the Nd-based magnets based on the combined ab initio/CALPHAD approach Peer-reviewed

    Taichi Abe, Ying Chen, Arkapol Saengdeejimg, Yoshinao Kobayashi

    Scripta Materialia 154 305-310 2018/09

    DOI: 10.1016/j.scriptamat.2018.01.030  

    ISSN: 1359-6462

  45. Ab-initio calculations for solvus temperatures of Pd-rich PdRu alloys: Real-space cluster expansion and cluster variation method Peer-reviewed

    Chang Liu, Mitsuhiro Asato, Nobuhisa Fujima, Toshiharu Hoshino, Ying Chen, Tetsuo Mohri

    Materials Transactions 59 (3) 338-347 2018

    DOI: 10.2320/matertrans.M2017292  

    ISSN: 1345-9678

  46. Interaction energies among Rh impurities in Pd and solvus temperatures of Pd-Rich PdRh alloys Peer-reviewed

    Chang Liu, Mitsuhiro Asato, Nobuhisa Fujima, Toshiharu Hoshino, Ying Chen, Tetsuo Mohri

    Materials Transactions 59 (6) 883-889 2018

    DOI: 10.2320/matertrans.M2017409  

    ISSN: 1345-9678

  47. Real space cluster expansion for total energies of Pd-Rich PdX (X = Rh, Ru) alloys, based on full-potential KKR calculations: An approach from a dilute limit Peer-reviewed

    Chang Liu, Mitsuhiro Asato, Nobuhisa Fujima, Toshiharu Hoshino, Ying Chen, Tetsuo Mohri

    Materials Transactions 59 (11) 1669-1676 2018

    DOI: 10.2320/matertrans.M2018194  

    ISSN: 1345-9678

  48. Mechanical properties of Fe-rich Si alloy from Hamiltonian Peer-reviewed

    Tetsuo Mohri, Ying Chen, Masanori Kohyama, Shigenobu Ogata, Arkapol Saengdeejing, Somesh Kumar Bhattacharya, Masato Wakeda, Shuhei Shinzato, Hajime Kimizuka

    npj Computational Materials 3 (1) 2017/12/01

    DOI: 10.1038/s41524-017-0012-4  

    eISSN: 2057-3960

  49. Mechanical properties of Fe rich Fe-Si alloys: Ab initio local bulk-modulus viewpoint Peer-reviewed

    Somesh Kr Bhattacharya, Masanori Kohyama, Shingo Tanaka, Yoshinori Shiihara, Arkapol Saengdeejing, Ying Chen, Tetsuo Mohri

    Materials Research Express 4 (11) 2017/11

    DOI: 10.1088/2053-1591/aa97a4  

    eISSN: 2053-1591

  50. B2-disorder phase boundary calculations in Fe rich region of Fe-Si binary system with tetrahedron approximation of CVM Peer-reviewed

    Naoya Kiyokane, Ying Chen, Takako Yamashita, Masayasu Nagoshi, Takaaki Iguchi, Tetsuo Mohri

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 56 207-214 2017/03/01

    DOI: 10.1016/j.calphad.2017.01.003  

    ISSN: 0364-5916

  51. Ab initio characterization of B, C, N, and O in bcc iron: Solution and migration energies and elastic strain fields Peer-reviewed

    Maaouia Souissi, Ying Chen, Marcel H.F. Sluiter, Hiroshi Numakura

    Computational Materials Science 124 249-258 2016/11/01

    DOI: 10.1016/j.commatsci.2016.07.037  

    ISSN: 0927-0256

  52. First-principles Study of Stability of Cu in the Nd-rich and Nd Oxide Phases of Nd-Fe-B Permanent Magnet Peer-reviewed

    Arkapol Saengdeejing, Ying Chen, Masashi Matsuura, Satoshi Sugimoto

    JOURNAL OF THE CHINESE CHEMICAL SOCIETY 63 (6) 506-512 2016/06

    DOI: 10.1002/jccs.201500393  

    ISSN: 0009-4536

    eISSN: 2192-6549

  53. Highly tunable magnetism in silicene doped with Cr and Fe atoms under isotropic and uniaxial tensile strain Peer-reviewed

    Rui Zheng, Ying Chen, Jun Ni

    Applied Physics Letters 107 (26) 2015/12/28

    DOI: 10.1063/1.4938755  

    ISSN: 0003-6951

  54. Thermodynamic Modeling of the Ni-H System Peer-reviewed

    Natacha Bourgeois, Jean Claude Crivello, Arkapol Saengdeejing, Ying Chen, Pierre Cenedese, Jean Marc Joubert

    Journal of Physical Chemistry C 119 (43) 24546-24557 2015/10/29

    DOI: 10.1021/acs.jpcc.5b06393  

    ISSN: 1932-7447

    eISSN: 1932-7455

  55. Molecular dynamics simulation of nano-contact between a diamond cutting tool and a copper surface

    Yindi Cai, Yuanliu Chen, Yuki Shimizu, So Ito, Wei Gao, Ying Chen

    Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015 2015/10/18

  56. Study on topological properties in two-dimensional grain networks via large-scale Monte Carlo simulation Peer-reviewed

    Li Meng, Hao Wang, Guoquan Liu, Ying Chen

    Computational Materials Science 103 165-169 2015/06/02

    DOI: 10.1016/j.commatsci.2015.03.044  

    ISSN: 0927-0256

  57. Analysis of non-monotonic temperature behavior of the coefficient of thermal expansion in Fe-Ni alloys studied by first-principles cluster variation method Peer-reviewed

    Ryo Yamada, Ying Chen, Tetsuo Mohri

    Materials Transactions 56 (9) 1501-1504 2015

    DOI: 10.2320/matertrans.MAW201507  

    ISSN: 1345-9678

  58. First-principles study of ni doping effect on mechanical properties of dilute Fe-Si alloy Peer-reviewed

    Ying Chen, Arkapol Saengdeejing, Tetsuo Mohri

    PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015 911-912 2015/01/01

  59. Long-range topological correlations of real polycrystalline grains in two dimensions Peer-reviewed

    Hao Wang, Guoquan Liu, Ying Chen, Arkapol Saengdeejing, Hideo Miura, Ken Suzuki

    MATERIALS CHARACTERIZATION 97 178-182 2014/11

    DOI: 10.1016/j.matchar.2014.09.017  

    ISSN: 1044-5803

    eISSN: 1873-4189

  60. Formation of the Face-Centered Cubic (FCC)-NdOx Phase at Nd/Nd-Fe-B Interface: A First-Principles Modeling Peer-reviewed

    Ying Chen, Arkapol Saengdeejing, Masashi Matsuura, Satoshi Sugimoto

    JOM 66 (7) 1133-1137 2014/07

    DOI: 10.1007/s11837-014-1004-1  

    ISSN: 1047-4838

    eISSN: 1543-1851

  61. Verification of a generalized Aboav-Weaire law via experiment and large-scale simulation Peer-reviewed

    H. Wang, G. Q. Liu, Y. Chen, W. W. Li

    EPL 105 (6) 2014/03

    DOI: 10.1209/0295-5075/105/68001  

    ISSN: 0295-5075

    eISSN: 1286-4854

  62. First-principles cluster variation calculations of tetragonal-cubic transition in ZrO2 Peer-reviewed

    Tetsuo Mohri, Ying Chen, Naoya Kiyokane

    JOURNAL OF ALLOYS AND COMPOUNDS 577 (SUPPL. 1) S123-S126 2013/11

    DOI: 10.1016/j.jallcom.2012.04.059  

    ISSN: 0925-8388

    eISSN: 1873-4669

  63. First-principles study on the dilute Si in bcc Fe: Electronic and elastic properties up to 12.5 at.%Si Peer-reviewed

    Arkapol Saengdeejing, Ying Chen, Ken Suzuki, Hideo Miura, Tetsuo Mohri

    Computational Materials Science 70 100-106 2013

    DOI: 10.1016/j.commatsci.2012.12.028  

    ISSN: 0927-0256

  64. Theoretical calculations for magnetic property of FeRh inter-metallic compound with site-exchange defects Peer-reviewed

    Yasunori Kaneta, Shiori Ishino, Ying Chen, Shuichi Iwata, Akihiro Iwase

    Japanese Journal of Applied Physics 50 (10 PART 1) 2011/10

    DOI: 10.1143/JJAP.50.105803  

    ISSN: 0021-4922

    eISSN: 1347-4065

  65. First principles modeling of stability mechanism of nonstoichiometric uranium dioxide Peer-reviewed

    Ying Chen, Hua Y. Geng, Yasunori Kaneta, Motoyasu Kinoshita, Shuichi Iwata

    Computational Materials Science 49 (4 SUPPL.) 2010/10

    DOI: 10.1016/j.commatsci.2010.01.018  

    ISSN: 0927-0256

  66. Interplay of defect cluster and the stability of xenon in uranium dioxide from density functional calculations Peer-reviewed

    Hua Y. Geng, Ying Chen, Yasunori Kaneta, Motoyasu Kinoshita, Q. Wu

    Physical Review B - Condensed Matter and Materials Physics 82 (9) 2010/09/14

    DOI: 10.1103/PhysRevB.82.094106  

    ISSN: 1098-0121

    eISSN: 1550-235X

  67. First-principles study on effective doping to improve the optical properties in spinel nitrides Peer-reviewed

    Hao Wang, Ying Chen, Yasunori Kaneta, Shuichi Iwata

    Journal of Alloys and Compounds 491 (1-2) 550-559 2010/02/18

    DOI: 10.1016/j.jallcom.2009.10.267  

    ISSN: 0925-8388

  68. Multi-scale phase field simulation of disorder-order transition, combined with cluster variation and path probability methods Peer-reviewed

    Munekazu Ohno, Ying Chen, Tetsuo Mohri

    Materials Science Forum 631-632 401-406 2010

    DOI: 10.4028/www.scientific.net/MSF.631-632.401  

    ISSN: 0255-5476

    eISSN: 1662-9752

  69. First-principles study of formation and properties of Fcc-NdO<inf>x</inf> in Nd-Fe-B sintered magnets Peer-reviewed

    Ying Chen, Satoshi Hirosawa, Shuichi Iwata

    Materials Science Forum 654-656 1674-1677 2010

    DOI: 10.4028/www.scientific.net/MSF.654-656.1674  

    ISSN: 0255-5476

    eISSN: 1662-9752

  70. First-principles study on cerium ion behavior in irradiated cerium dioxide Peer-reviewed

    Misako Iwasawa, Toshiharu Ohnuma, Ying Chen, Yasunori Kaneta, Hua Yun Geng, Akihiro Iwase, Motoyasu Kinoshita

    Journal of Nuclear Materials 393 (2) 321-327 2009/09/01

    DOI: 10.1016/j.jnucmat.2009.06.026  

    ISSN: 0022-3115

  71. Effective interatomic potentials based on the first principles material database Peer-reviewed

    T. Yamamoto, S. Ohnishi, Y. Chen, S. Iwata

    Data Science Journal 8 62-69 2009/05/20

    DOI: 10.2481/dsj.007-051  

    ISSN: 1683-1470

    eISSN: 1683-1470

  72. First-principles calculation of L1<inf>0</inf> -disorder phase equilibria for Fe-Ni system Peer-reviewed

    Tetsuo Mohri, Ying Chen, Yu Jufuku

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 33 (1) 244-249 2009/03

    DOI: 10.1016/j.calphad.2008.09.005  

    ISSN: 0364-5916

  73. Recovery and restructuring induced by fission energy ions in high burnup nuclear fuel Peer-reviewed

    M. Kinoshita, K. Yasunaga, T. Sonoda, A. Iwase, N. Ishikawa, M. Sataka, K. Yasuda, S. Matsumura, H. Y. Geng, T. Ichinomiya, Y. Chen, Y. Kaneta, M. Iwasawa, T. Ohnuma, Y. Nishiura, J. Nakamura, Hj Matzke

    Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 267 (6) 960-963 2009/03

    DOI: 10.1016/j.nimb.2009.02.022  

    ISSN: 0168-583X

  74. Temperature accelerated dynamics study of migration process of oxygen defects in UO<inf>2</inf> Peer-reviewed

    Takashi Ichinomiya, Blas P. Uberuaga, Kurt E. Sickafus, Yasumasa Nishiura, Mitsuhiro Itakura, Ying Chen, Yasunori Kaneta, Motoyasu Kinoshita

    Journal of Nuclear Materials 384 (3) 315-321 2009/02/28

    DOI: 10.1016/j.jnucmat.2008.12.040  

    ISSN: 0022-3115

  75. Ab initio investigation on oxygen defect clusters in UO(2+x) Peer-reviewed

    Hua Y. Geng, Ying Chen, Yasunori Kaneta, Motoyasu Kinoshita

    APPLIED PHYSICS LETTERS 93 (20) 201903 2008/11

    DOI: 10.1063/1.3035846  

    ISSN: 0003-6951

  76. Molecular dynamics study on planar clustering of xenon in UO<inf>2</inf> Peer-reviewed

    H. Y. Geng, Y. Chen, Y. Kaneta, M. Kinoshita

    Journal of Alloys and Compounds 457 (1-2) 465-471 2008/06/12

    DOI: 10.1016/j.jallcom.2007.03.030  

    ISSN: 0925-8388

  77. Combined ab initio/CALPHAD modeling of fcc-based phase-equilibria in the Ir-Nb system Peer-reviewed

    Taichi Abe, Ying Chen, Yoko Yamabe-Mitarai, Hiroshi Numakura

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 32 (2) 353-360 2008/06

    DOI: 10.1016/j.calphad.2007.12.006  

    ISSN: 0364-5916

  78. Stability mechanism of cuboctahedral clusters in UO(2+x): First-principles calculations Peer-reviewed

    Hua Y. Geng, Ying Chen, Yasunori Kaneta, Motoyasu Kinoshita

    PHYSICAL REVIEW B 77 (18) 180101 2008/05

    DOI: 10.1103/PhysRevB.77.180101  

    ISSN: 1098-0121

    eISSN: 1550-235X

  79. Point defects and clustering in uranium dioxide by LSDA+U calculations Peer-reviewed

    Hua Y. Geng, Ying Chen, Yasunori Kaneta, Misako Iwasawa, Toshiharu Ohnuma, Motoyasu Kinoshita

    Physical Review B - Condensed Matter and Materials Physics 77 (10) 2008/03/26

    DOI: 10.1103/PhysRevB.77.104120  

    ISSN: 1098-0121

    eISSN: 1550-235X

  80. Study of fission and high-burnup induced restructuring of nuclear fuel ceramics - Applying computer science to investigate kinetic process

    M. Kinoshita, Y. Chen, Y. Kaneta, H. Y. Geng, M. Iwasawa, T. Ohnuma, T. Ichinomiya, Y. Nishiura, M. Itakura, J. Nakamura, K. Misoo, S. Suzuki, H. J. Matzke

    Materials Research Society Symposium Proceedings 1043 292-328 2008

    ISSN: 0272-9172

  81. First-principles investigation of structural, electronic and optical properties of IVA group spinel nitrides Peer-reviewed

    Hao Wang, Ying Chen, Yasunori Kaneta, Shuichi Iwata

    European Physical Journal B 59 (2) 155-165 2007/09

    DOI: 10.1140/epjb/e2007-00283-3  

    ISSN: 1434-6028

    eISSN: 1434-6036

  82. Structural behavior of uranium dioxide under pressure by LSDA+U calculations Peer-reviewed

    H. Y. Geng, Y. Chen, Y. Kaneta, M. Kinoshita

    Physical Review B - Condensed Matter and Materials Physics 75 (5) 2007/02/22

    DOI: 10.1103/PhysRevB.75.054111  

    ISSN: 1098-0121

    eISSN: 1550-235X

  83. From phase equilibria to transformation dynamics Peer-reviewed

    T. Mohri, M. Ohno, Y. Chen

    Defect and Diffusion Forum 263 21-30 2007

    DOI: 10.4028/3-908451-35-3.21  

    ISSN: 1012-0386

    eISSN: 1662-9507

  84. First principles study of point defects in uranium dioxide Peer-reviewed

    Ying Chen, Misako Iwasawa, Yasunori Kaneta, Toshiharu Ohnuma, Hua Yun Geng, Motoyasu Kinoshita

    Materials Science Forum 561-565 (PART 3) 1971-1974 2007

    DOI: 10.4028/0-87849-462-6.1971  

    ISSN: 0255-5476

    eISSN: 1662-9752

  85. Phase field calculations with CVM free energy within square approximation Peer-reviewed

    Tetsuo Mohri, Nao Fujihashi, Ying Chen

    Materials Science Forum 561-565 (PART 3) 1935-+ 2007

    DOI: 10.4028/0-87849-462-6.1935  

    ISSN: 0255-5476

    eISSN: 1662-9752

  86. First-principles investigation of the structural, electronic and optical properties of olivine-Si3N4 and olivine-Ge3N4 Peer-reviewed

    Hao Wang, Ying Chen, Yasunori Kaneta, Shuichi Iwata

    Journal of Physics Condensed Matter 18 (47) 10663-10676 2006/11/29

    DOI: 10.1088/0953-8984/18/47/012  

    ISSN: 0953-8984

    eISSN: 1361-648X

  87. First-principles calculation of point defects in uranium dioxide Peer-reviewed

    Misako Iwasawa, Ying Chen, Yasunori Kaneta, Toshiharu Ohnuma, Hua Yun Geng, Motoyasu Kinoshita

    Materials Transactions 47 (11) 2651-2657 2006/11

    DOI: 10.2320/matertrans.47.2651  

    ISSN: 1345-9678

  88. Deviation of congruent composition in Fe-Pd system Peer-reviewed

    Tetsuo Mohri, Daisuke Hamajima, Ying Chen

    Rare Metals 25 (5) 393-398 2006/10

    DOI: 10.1016/S1001-0521(06)60074-0  

    ISSN: 1001-0521

  89. First-principles calculation of phase equilibria and phase separation of the Fe-Ni alloy system Peer-reviewed

    Ying Chen, Shuichi Iwata, Tetsuo Mohri

    Rare Metals 25 (5) 437-440 2006/10

    DOI: 10.1016/S1001-0521(06)60081-8  

    ISSN: 1001-0521

  90. First-principles calculations of phase equilibria and transformation dynamics of Fe-based alloys Peer-reviewed

    Tetsuo Mohri, Munekazu Ohno, Ying Chen

    Journal of Phase Equilibria and Diffusion 27 (1) 47-53 2006/02

    DOI: 10.1361/105497106X92790  

    ISSN: 1547-7037

  91. Towards the first-principles investigation of ordering dynamics Peer-reviewed

    Tetsuo Mohri, Munekazu Ohno, Ying Chen

    Materials Science Forum 475-479 (IV) 3075-3080 2005

    DOI: 10.4028/0-87849-960-1.3075  

    ISSN: 0255-5476

    eISSN: 1662-9752

  92. Theoretical investigation of Fe-based phase equilibria from the first-principles Peer-reviewed

    Ying Chen, Shuichi Iwata, Tetsuo Mohri

    Materials Science Forum 475-479 (IV) 3127-3130 2005

    DOI: 10.4028/0-87849-960-1.3127  

    ISSN: 0255-5476

    eISSN: 1662-9752

  93. First-principles investigation of phase equilibria of fe-based alloy systems Peer-reviewed

    Ying Chen, Shuichi Iwata, Tetsuo Mohri

    Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005 2 663-668 2005

  94. First-principles calculation of ordering phase transition Peer-reviewed

    Tetsuo Mohri, Munekazu Ohno, Ying Chen

    Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005 2 633-650 2005

  95. Algebraic analysis of cluster expansion method and its application to first-principles calculations of phase equilibria Peer-reviewed

    Tetsuo Mohri, Ying Chen

    Journal of the Japan Institute of Metals 68 (12) 966-972 2004/12

    DOI: 10.2320/jinstmet.68.966  

    ISSN: 0021-4876

  96. First-principles investigation of L1<inf>0</inf>-disorder phase equilibria of Fe-Ni, -Pd, and -Pt binary alloy systems Peer-reviewed

    Tetsuo Mohri, Ying Chen

    Journal of Alloys and Compounds 383 (1-2) 23-31 2004/11/30

    DOI: 10.1016/j.jallcom.2004.04.030  

    ISSN: 0925-8388

  97. Phase separation of the B2 structure accompanied by an ordering in Co-Al and Ni-Al binary systems Peer-reviewed

    Hiroshi Ohtani, Ying Chen, Mitsuhiro Hasebe

    Materials Transactions 45 (5) 1489-1498 2004/05

    DOI: 10.2320/matertrans.45.1489  

    ISSN: 1345-9678

  98. First-principles calculation of L1<inf>0</inf>-disorder phase boundary in Fe-Pd system Peer-reviewed

    Tetsuo Mohri, Ying Chen

    Materials Transactions 45 (5) 1478-1484 2004/05

    DOI: 10.2320/matertrans.45.1478  

    ISSN: 1345-9678

  99. First-principles calculation of L1<inf>0</inf>-disorder phase diagram in Fe-Pt system within the first and second nearest neighbor pair interaction energies Peer-reviewed

    Y. Chen, S. Iwata, T. Mohri

    Calphad: Computer Coupling of Phase Diagrams and Thermochemistry 26 (4) 583-589 2002/12

    DOI: 10.1016/S0364-5916(02)80010-4  

    ISSN: 0364-5916

  100. First-principles study for ordering and phase separation in the Fe-Pd system Peer-reviewed

    Y Chen, T Atago, T Mohri

    Journal of Physics: Condensed Matter 14 (8) 1903-1913 2002/03

    DOI: 10.1088/0953-8984/14/8/318  

    ISSN: 0953-8984

  101. First-principles investigation of L10-disorder phase equilibrium in Fe-Pt system Peer-reviewed

    Tetsuo Mohri, Ying Chen

    Materials Transactions 43 (8) 2104-2109 2002

    Publisher: Japan Institute of Metals (JIM)

    DOI: 10.2320/matertrans.43.2104  

    ISSN: 1345-9678

  102. A web-base data system for electronic structures by first principles approach Peer-reviewed

    Naoko Tatara, Ying Chen

    Progress of Theoretical Physics Supplement (138) 755-756 2000

    DOI: 10.1143/PTPS.138.755  

    ISSN: 0375-9687

  103. Study on the Possibility of Structure Modification for Ductilization of (Fe, Co, Ni)3V Peer-reviewed

    CHEN Ying, MATSUO Munetsugu, TATARA Naoko

    Progress of Theoretical Physics Sup. 138, 151-153 (138) 151-153 2000

    Publisher: Progress of Theoretical Physics

    DOI: 10.1143/PTPS.138.151  

    ISSN: 0375-9687

    More details Close

    To investigate the mechanism of structure modification for ductilization of (Fe, Co, Ni)_3V, the electronic structures and cohesive properties for the stoichiometric binary compounds Fe_3, Co_3V and Ni_3V in their three possible types L1_2, D0_<19>, D0_<22> have been calculated by using FLAPW approach. The work further extended to compounds (Co_xNi_<1-x>)_3V and (Fe_xCo<1-x>)_3V for understanding the effect of ternary additions.

  104. Structural stability of atomic environment types in AB intermetallic compounds Peer-reviewed

    Y Chen, S Iwata, JN Liu, P Villars, J Rodgers

    MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING 4 (4) 335-348 1996/07

    DOI: 10.1088/0965-0393/4/4/001  

    ISSN: 0965-0393

  105. Theoretical investigation on inversion for the phonon density of states Peer-reviewed

    Nan-Xian Chen, Ying Chen, Guang-ying Li

    Physics Letters A 149 (7-8) 357-364 1990/10

    Publisher: Elsevier BV

    DOI: 10.1016/0375-9601(90)90893-s  

    ISSN: 0375-9601

  106. Electronic structure of the light-impurity (boron)vacancy complex in iron Peer-reviewed

    Wang Chongyu, An Feng, Gu Binglin, Fusui Liu, Chen Ying

    Physical Review B 38 (6) 3905-3912 1988/08/15

    Publisher: American Physical Society (APS)

    DOI: 10.1103/physrevb.38.3905  

    ISSN: 0163-1829

  107. Electronic structure of light-impurity–vacancy complex cluster in iron Peer-reviewed

    Chen Ying, Wang Chong-yu, Fu-sui Liu

    Physical Review B 37 (18) 10510-10519 1988/06/15

    DOI: 10.1103/physrevb.37.10510  

    ISSN: 0163-1829

Show all ︎Show first 5

Misc. 4

  1. First-Principles Calculations of Phase Stability and Phase Equilibria in Fe-Pt System

    Bulletin of the Iron and Steel Institute of Japan 19 (3) 166-172 2014/01

    Publisher: 日本鉄鋼協会

    ISSN: 1341-688X

  2. Firdt-principles calculation of nuclear fuel Peer-reviewed

    Ying Chen

    Journal of the Japan Society for Simulation Technology 30 (2) 29-34 2011/06

  3. Order-disorder transition investigated by Phase Field Method

    Mohri Tetsuo, Fujihashi Nao, Ohno Munekazu, CHEN Ying

    The Computational Mechanics Conference 2009 (22) 310-311 2009/10/10

    Publisher: The Japan Society of Mechanical Engineers

    ISSN: 1348-026X

    More details Close

    Phase Field Method is combined with the Cluster Variation Method of statistical mechanics to investigate the microstructural evolution process from atomistic scale. Electronic structure total energy calculation is further performed to derive atomic interaction energies for Fe-based alloy systems and the time evolution of Anti Phase Boundary associated with order-disorder transition is calculated from the first-principles.

  4. Hybridization of Phase Field and Cluster Variation Methods toward First-Principles Calculation of Microstructural Process

    OHNO Munekazu, CHIN Ying, MOHRI Tetsuo

    Journal of the Japan Society of Mechanical Engineers 108 (1043) 798-801 2005/10

    Publisher: The Japan Society of Mechanical Engineers

    ISSN: 0021-4728

Research Projects 15

  1. First-principles study for suppressing phase transition in silica Cristobalite structure

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research

    Category: Grant-in-Aid for Scientific Research (C)

    Institution: Tohoku University

    2022/04/01 - 2025/03/31

  2. Development of Metal-coated Zr-alloy Cladding for Accident Tolerant Fuel Competitive

    System: MEXT Nuclear System Projects

    Category: Co-Investigator

    2020/10 - 2024/03

  3. Strain-Controlled Graphene-Nanoribbon-Base Biochemical Sensors with High Selectivity and Sensitivity

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research

    Category: Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

    Institution: Tohoku University

    2020/10/27 - 2023/03/31

  4. Materials design of high-entropy alloys accelerated by synergistic combination of computational thermodynamics and simulation of phase transformations

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research

    Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Institution: Nagoya University

    2018/06/29 - 2023/03/31

  5. High Entropy Alloys-Science of new class of materials based on elemental multiplicity and heterogeneity (sub-theme) Competitive

    System: Grant-in-Aids for Scientific Research on Innovative Areas

    Category: Co-Investigator

    2018/09 - 2023/03

  6. Elements Strategy Initiative for Magnetic Materials Competitive

    System: MEXT Elements Strategy Projects

    Category: Co-Investigator

    2012/04 - 2022/03

  7. Explore regularities of crystal structures based on atomic environment types Competitive

    System: Grant-in-Aid for Scientific Research (C)

    Category: Principal Investigator

    2017/04 - 2021/03

  8. Priority Issue 7: Creation of new functional devices and high-performance materials to support next-generation industries

    System: MEXT Priority Issues of Post-K Supercomputer Project

    Category: Co-Investigator

    2014/09 - 2020/03

  9. Field D: Materials Integration: Introducing time dependent feature into materials simulation

    System: Cabinet Office SIP (Cross-ministerial Strategic Innovation Promotion Program) Structural Materials

    Category: Co-Investigator

    2014/09 - 2019/03

  10. Formation mechanism of Nd-O in magnets interface towards high coercivity

    System: Grant-in-Aid for Scientific Research (C)

    Category: Principal Investigator

    2011/04 - 2015/03

  11. Investigation of defective structures due to non-stoichiometric oxygen in nuclear fuel oxides

    System: Grant-in-Aid for Scientific Research (B)

    Category: Co-Investigator

    2011/04 - 2015/03

  12. Strength of materials design from Hamiltonian

    System: JST Collaborative Research Based on Industrial Demand

    Category: Co-Investigator

    2011/04 - 2014/03

  13. New engineering for material behavior control under irradiation/high dose (sub-theme) Study of organizing principle by higher-order interaction under fission

    System: MEXT New Cross-over of Fundamental Research of Unclear Engineering

    Category: Co-Investigator

    2004/04 - 2009/03

  14. Basic Research on Data-driven Material Design

    IWATA Shuichi, CHEN Ying, KANETA Yasunori

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: The University of Tokyo

    2005 - 2008

  15. 第一原理フェーズフィールド計算

    毛利 哲夫, 陳 迎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 萌芽研究

    Institution: 北海道大学

    2003 - 2004

    More details Close

    材料において諸々の物性や機能・現象が発現し観察されるスケールをミクロ、メソ、マクロと分類すると、離散格子モデルはミクロなレベルでの原子配列の詳細な知見を与え、連続体モデルはメソスケールでの組織を予測する。前者に属するものとして第一原理クラスター変分法が、後者ではフェーズフィールド法が代表的な手法として知られている。しかし、フェーズフィールド法は基本的に現象論的な手法であり、方程式中の係数項には経験値やパラメターを導入する為に任意性が伴なうこと、第一原理計算は基本的に均一な媒体を対象にしており、組織のような不均一系の計算に応用することは極めて困難であること、両手法の扱い得る時空スケールが異なること、等の問題点がある。本研究は、これらの困難を解決し、両手法の特長を活かして、組織形成過程に対する任意性のない計算を行うことを目的として遂行した。 通常のフェーズフィールド法では、濃度のような保存量に対する拡散方程式と、規則度のような非保存量に対するTDGL方程式を、共通の自由エネルギー密度を用いて書き下し、両方程式を連立して解く。本研究のように規則-不規則変態を正確に取り扱う場合には、自由エネルギーを、濃度のみならず、長範囲や短範囲の規則度の関数として表現する必要がある。この為に、自由エネルギーにはクラスター変分法の自由エネルギー汎関数を用い、TDGL方程式との空間スケールの整合性をとる為に、空間粗視化の定式化を行った。そして、Fe-Pd系に対して全エネルギー計算を行い、クラスター展開法を介してクラスター有効相互作用エネルギーを算出し、これを、第一原理TDGL方程式に導入して、L10-disorderの相変態過程の第一原理計算を行った。特に、規則化に伴なう逆位相界面の生成過程に着目し、電子顕微鏡の観察結果と比較検討、その詳細を明らかにした。又、結晶方位や空間スケーリングを第一原理から一義的に決定することに成功し、時間スケーリングにも言及した。

Show all Show first 5