Details of the Researcher
Research History 5
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2026/01 - PresentTohoku University Institute for Materials Research
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2020/08 - 2025/12The University of Tokyo The Graduate School of Engineering Institute of Engineering Innovation Assistant professor
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2017/06 - 2020/07The University of Tokyo The Graduate School of Engineering Institute of Engineering Innovation Postdoctoral researcher
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2017/04 - 2017/05The University of Tokyo Graduate School of Frontier Sciences Postdoctoral researcher
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2015/04 - 2017/03The University of Tokyo Graduate School of Frontier Sciences JSPS research fellow
Education 2
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The University of Tokyo Graduate School of Frontier Sciences Department of Advanced Materials Science
2012/04 - 2017/03
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The University of Tokyo The Faculty of Engineering Department of Applied Chemistry
2008/04 - 2012/03
Professional Memberships 4
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日本顕微鏡学会
2023/02 - Present
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The Ceramic Society of Japan
2018/09 - Present
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The Japan Society of Vacuum and Surface Science
2015/10 - Present
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The Physical Society of Japan
2013/08 - Present
Research Interests 2
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Lithium ion battery
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Fluoride ion battery
Research Areas 1
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Nanotechnology/Materials / Structural and functional materials /
Awards 4
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優秀発表賞
2017/09 第17回結晶界面工学研究会 Application of Markov chain Monte Carlo method to curve fitting
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JSPS HOPE Fellow
2016/03 日本学術振興会 Structure of silicene grown on Ag(111)
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Student Prize
2014/12 表面界面スペクトロスコピー Ag(111) 上に成長させたシリセンの構造
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新領域創成科学研究科長賞
2014/03 東京大学 Ag(111)上に成長させたシリセンの構造
Papers 38
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Structural transition and the effect of Ca impurities in MgO Σ5(210) grain boundary Peer-reviewed
Qian Chen, Mitsuhiro Saito, Kazuaki Kawahara, Atsutomo Nakamura, Kazutoshi Inoue, Yuichi Ikuhara
Journal of the European Ceramic Society 46 (6) 118068-118068 2026/06
Publisher: Elsevier BVDOI: 10.1016/j.jeurceramsoc.2025.118068
ISSN: 0955-2219
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LaCu5 intermetallic alloy cathode for fluoride-ion batteries Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Journal of Power Sources 658 238294-238294 2025/12
Publisher: Elsevier BVDOI: 10.1016/j.jpowsour.2025.238294
ISSN: 0378-7753
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Dopant diffusion and segregation of iron in a near 45° (100) twist grain boundary in SrTiO 3 Peer-reviewed
William Hahn, Kazuaki Kawahara, Shun Sasano, Bin Feng, Naoya Shibata, Yuichi Ikuhara, Klaus van Benthem
Journal of the American Ceramic Society 109 (1) 2025/10/24
Publisher: WileyDOI: 10.1111/jace.70312
ISSN: 0002-7820
eISSN: 1551-2916
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High Spatiotemporal Resolution STEM Imaging for Atomic Dynamics Peer-reviewed
Ryo Ishikawa, Yu Jimbo, Toshihiro Futazuka, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Ceramics 60 (5) 342-345 2025/05
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Capacity enhancement of LaAl2Ag ternary alloy anode for fluoride-ion batteries Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Journal of Materials Chemistry A 13 (24) 18610-18617 2025/05
Publisher: Royal Society of Chemistry (RSC)DOI: 10.1039/d5ta00837a
ISSN: 2050-7488
eISSN: 2050-7496
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La1−xSrxF3−x: A Solid-State Electrolyte for Fluoride Ion Battery with High Ionic Conductivity and Wide Electrochemical Potential Window Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Shun Sasano, Naoya Shibata, Yuichi Ikuhara
Journal of The Electrochemical Society 171 (11) 110508-110508 2024/11/01
Publisher: The Electrochemical SocietyISSN: 0013-4651
eISSN: 1945-7111
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Highly Reversible Conversion‐Type CoSn2 Cathode for Fluoride‐Ion Batteries Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Small 21 (1) 2024/10/22
Publisher: WileyISSN: 1613-6810
eISSN: 1613-6829
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Development and Microstructure Analysis of LaAl3 Anode for Fluoride-ion Batteries Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Ceramics 59 (10) 698-701 2024/10
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New Poisson denoising method for pulse-count STEM imaging
Taichi Kusumi, Shun Katakami, Ryo Ishikawa, Kazuaki Kawahara, Tiarnan Mullarkey, Julie Marie Bekkevold, Jonathan J.P. Peters, Lewys Jones, Naoya Shibata, Masato Okada
Ultramicroscopy 264 113996-113996 2024/10
Publisher: Elsevier BVDOI: 10.1016/j.ultramic.2024.113996
ISSN: 0304-3991
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Total third-degree variation for noise reduction in atomic-resolution STEM images Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Shun Sasano, Naoya Shibata, Yuichi Ikuhara
Microscopy 74 (1) 1-9 2024/07/02
Publisher: Oxford University Press (OUP)ISSN: 2050-5698
eISSN: 2050-5701
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Real-time tracking of three-dimensional atomic dynamics of Pt trimer on TiO 2 (110) Peer-reviewed
Ryo Ishikawa, Toshihiro Futazuka, Yu Jimbo, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Science Advances 2024/03
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La-Al Intermetallic Alloy Anode for Realizing High-Energy Fluoride-Ion Battery
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
Journal of The Electrochemical Society 2023/12/01
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Fast reconstruction of scanning transmission electron microscopy images using Markov random field model Peer-reviewed
Taichi Kusumi, Shun Katakami, Ryo Ishikawa, Kazuaki Kawahara, Naoya Shibata, Masato Okada
Ultramicroscopy 253 113811-113811 2023/11
Publisher: Elsevier BVDOI: 10.1016/j.ultramic.2023.113811
ISSN: 0304-3991
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Fluoride Ion Conductivity of Rb Doped KSbF4 Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
Journal of The Electrochemical Society 170 020528 2023/02/16
Publisher: The Electrochemical SocietyISSN: 0013-4651
eISSN: 1945-7111
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Formation of La-rich tysonite nano-precipitates in fluorite Ba0.6La0.4F2.4 Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Atsushi Mineshige, Naoya Shibata, Yuichi Ikuhara
Journal of Power Sources 557 232581-232581 2023/02
Publisher: Elsevier BVDOI: 10.1016/j.jpowsour.2022.232581
ISSN: 0378-7753
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Atomic-resolution STEM image denoising by total variation regularization Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Shun Sasano, Naoya Shibata, Yuichi Ikuhara
Microscopy 71 (5) 302-310 2022/06/17
Publisher: Oxford University Press (OUP)ISSN: 2050-5698
eISSN: 2050-5701
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Lithium Lanthanum Titanate Single Crystals: Dependence of Lithium-Ion Conductivity on Crystal Domain Orientation
Shunsuke Kobayashi, Daisaku Yokoe, Yasuyuki Fujiwara, Kazuaki Kawahara, Yuichi Ikuhara, Akihide Kuwabara
Nano Letters 2022/06/13
Publisher: American Chemical Society (ACS)DOI: 10.1021/acs.nanolett.2c01655
ISSN: 1530-6984
eISSN: 1530-6992
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Atomic-Level Changes during Electrochemical Cycling of Oriented LiMn2O4 Cathodic Thin Films Peer-reviewed
Yumi H. Ikuhara, Xiang Gao, Kazuaki Kawahara, Craig A. J. Fisher, Akihide Kuwabara, Ryo Ishikawa, Hiroki Moriwake, Yuichi Ikuhara
ACS Applied Materials & Interfaces 14 (5) 6507-6517 2022/02/09
ISSN: 1944-8244
eISSN: 1944-8252
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Anomalous dewetting growth of Si on Ag(111)
Naoya Kawakami, Ryuichi Arafune, Emi Minamitani, Kazuaki Kawahara, Noriaki Takagi, Chun-Liang Lin
Nanoscale 2022
Publisher: Royal Society of Chemistry (RSC)DOI: 10.1039/d2nr03409c
ISSN: 2040-3364
eISSN: 2040-3372
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Arrangement of polyhedral units for [0001]-symmetrical tilt grain boundaries in zinc oxide Peer-reviewed
Kazutoshi Inoue, Ji-Young Roh, Kazuaki Kawahara, Mitsuhiro Saito, Motoko Kotani, Yuichi Ikuhara
Acta Materialia 212 116864-116864 2021/06
Publisher: Elsevier BVDOI: 10.1016/j.actamat.2021.116864
ISSN: 1359-6454
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Atomic-Resolution Topographic Imaging of Crystal Surfaces Peer-reviewed
Ryo Ishikawa, Riku Tanaka, Kazuaki Kawahara, Naoya Shibata, Yuichi Ikuhara
ACS Nano 15 (5) 9186-9193 2021/05/25
Publisher: American Chemical Society (ACS)ISSN: 1936-0851
eISSN: 1936-086X
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Room temperature fluoride ion conductivity in defective β-KSb1-δF4-3δ polycrystals Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Kei Nakayama, Naoya Shibata, Yuichi Ikuhara
Journal of Power Sources 483 229173-229173 2021/01
Publisher: Elsevier BVDOI: 10.1016/j.jpowsour.2020.229173
ISSN: 0378-7753
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3D arrangement of atomic polyhedra in tilt grain boundaries Peer-reviewed
Kazutoshi Inoue, Kazuaki Kawahara, Mitsuhiro Saito, Motoko Kotani, Yuichi Ikuhara
Acta Materialia 202 266-276 2020/10
Publisher: Elsevier BVDOI: 10.1016/j.actamat.2020.10.017
ISSN: 1359-6454
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Grain boundary Li-ion conductivity in (Li0.33La0.56)TiO3 polycrystal Peer-reviewed
Shun Sasano, Ryo Ishikawa, Kazuaki Kawahara, Teiichi Kimura, Yumi H. Ikuhara, Naoya Shibata, Yuichi Ikuhara
Applied Physics Letters 116 (4) 043901-043901 2020/01/27
DOI: 10.1063/1.5141396
ISSN: 0003-6951
eISSN: 1077-3118
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Mechanically Tunable Spontaneous Vertical Charge Redistribution in Few-Layer WTe2 Peer-reviewed
Zeyuan Ni, Emi Minamitani, Kazuaki Kawahara, Ryuichi Arafune, Chun-Liang Lin, Noriaki Takagi, Satoshi Watanabe
The Journal of Physical Chemistry C 124 (3) 2008-2012 2020/01/23
Publisher: American Chemical Society (ACS)ISSN: 1932-7447
eISSN: 1932-7455
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Fast Li-ion conduction at grain boundaries in (La,Li)NbO3 polycrystals Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Kei Nakayama, Takuma Higashi, Teiichi Kimura, Yumi H. Ikuhara, Naoya Shibata, Yuichi Ikuhara
Journal of Power Sources 441 227187-227187 2019/11
Publisher: Elsevier BVDOI: 10.1016/j.jpowsour.2019.227187
ISSN: 0378-7753
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Unique fitting of electrochemical impedance spectra by random walk Metropolis Hastings algorithm Peer-reviewed
Kazuaki Kawahara, Ryo Ishikawa, Takuma Higashi, Teiichi Kimura, Yumi H. Ikuhara, Naoya Shibata, Yuichi Ikuhara
Journal of Power Sources 403 184-191 2018/11
Publisher: Elsevier BVDOI: 10.1016/j.jpowsour.2018.09.091
ISSN: 0378-7753
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Visualizing Type-II Weyl Points in Tungsten Ditelluride by Quasiparticle Interference Peer-reviewed
Chun-Liang Lin, Ryuichi Arafune, Ro-Ya Liu, Masato Yoshimura, Baojie Feng, Kazuaki Kawahara, Zeyuan Ni, Emi Minamitani, Satoshi Watanabe, Youguo Shi, Maki Kawai, Tai-Chang Chiang, Iwao Matsuda, Noriaki Takagi
ACS Nano 11 (11) 11459-11465 2017/11/28
ISSN: 1936-0851
eISSN: 1936-086X
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Structural evolution of Bi thin films on Au(111) revealed by scanning tunneling microscopy Peer-reviewed
Naoya Kawakami, Chun-Liang Lin, Kazuaki Kawahara, Maki Kawai, Ryuichi Arafune, Noriaki Takagi
Physical Review B 96 (20) 2017/11/01
DOI: 10.1103/physrevb.96.205402
ISSN: 2469-9950
eISSN: 2469-9969
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Surface structure of novel semimetal WTe2 Peer-reviewed
Kazuaki Kawahara, Zeyuan Ni, Ryuichi Arafune, Tetsuroh Shirasawa, Chun-Liang Lin, Emi Minamitani, Satoshi Watanabe, Maki Kawai, Noriaki Takagi
Applied Physics Express 10 (4) 045702-045702 2017/04/01
ISSN: 1882-0778
eISSN: 1882-0786
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Atomic structure of “multilayer silicene” grown on Ag(111): Dynamical low energy electron diffraction analysis Peer-reviewed
Kazuaki Kawahara, Tetsuroh Shirasawa, Chun-Liang Lin, Ryo Nagao, Noriyuki Tsukahara, Toshio Takahashi, Ryuichi Arafune, Maki Kawai, Noriaki Takagi
Surface Science 651 70-75 2016/09
DOI: 10.1016/j.susc.2016.03.029
ISSN: 0039-6028
eISSN: 1879-2758
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Spectroscopic Identification of Ag-Terminated “Multilayer Silicene” Grown on Ag(111) Peer-reviewed
Chun-Liang Lin, Takeshi Hagino, Yujiro Ito, Kazuaki Kawahara, Ryo Nagao, Masaru Aoki, Shigeru Masuda, Ryuichi Arafune, Maki Kawai, Noriaki Takagi
The Journal of Physical Chemistry C 120 (12) 6689-6693 2016/03/31
ISSN: 1932-7447
eISSN: 1932-7455
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Silicene on Ag(111): Geometric and electronic structures of a new honeycomb material of Si Peer-reviewed
Noriaki Takagi, Chun-Liang Lin, Kazuaki Kawahara, Emi Minamitani, Noriyuki Tsukahara, Maki Kawai, Ryuichi Arafune
Progress in Surface Science 90 (1) 1-20 2015/02
DOI: 10.1016/j.progsurf.2014.10.001
ISSN: 0079-6816
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Pragmatic Application of Abstract Algebra to Two-Dimensional Lattice Matching Peer-reviewed
Kazuaki Kawahara, Ryuichi Arafune, Maki Kawai, Noriaki Takagi
e-Journal of Surface Science and Nanotechnology 13 (0) 361-365 2015
ISSN: 1348-0391
eISSN: 1348-0391
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Determination of atomic positions in silicene on Ag(111) by low-energy electron diffraction Peer-reviewed
K. Kawahara, T. Shirasawa, R. Arafune, C.-L. Lin, T. Takahashi, M. Kawai, N. Takagi
Surface Science 623 25-28 2014/05
DOI: 10.1016/j.susc.2013.12.013
ISSN: 0039-6028
eISSN: 1879-2758
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Substrate-Induced Symmetry Breaking in Silicene Peer-reviewed
Chun-Liang Lin, Ryuichi Arafune, Kazuaki Kawahara, Mao Kanno, Noriyuki Tsukahara, Emi Minamitani, Yousoo Kim, Maki Kawai, Noriaki Takagi
Physical Review Letters 110 (7) 2013/02/11
DOI: 10.1103/physrevlett.110.076801
ISSN: 0031-9007
eISSN: 1079-7114
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Structural transition of silicene on Ag(111) Peer-reviewed
Ryuichi Arafune, Chun-Liang Lin, Kazuaki Kawahara, Noriyuki Tsukahara, Emi Minamitani, Yousoo Kim, Noriaki Takagi, Maki Kawai
Surface Science 608 297-300 2013/02
DOI: 10.1016/j.susc.2012.10.022
ISSN: 0039-6028
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Structure of Silicene Grown on Ag(111) Peer-reviewed
Chun-Liang Lin, Ryuichi Arafune, Kazuaki Kawahara, Noriyuki Tsukahara, Emi Minamitani, Yousoo Kim, Noriaki Takagi, Maki Kawai
Applied Physics Express 5 (4) 045802-045802 2012/03/28
ISSN: 1882-0778
eISSN: 1882-0786
Misc. 6
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チタン酸リチウムランタン単結晶による高リチウムイオン伝導の実証
小林俊介, 横江大作, 桑原彰秀, 幾原雄一, 幾原雄一, 川原一晃, 藤原靖幸
JFCC研究成果集 2023 2023
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Crystal domain orientation dependence of Lithium-Ion Conductivity in lithium lanthanum titanate single crystals
小林俊介, 横江大作, 桑原彰秀, 藤原靖幸, 川原一晃, 幾原雄一, 幾原雄一
日本セラミックス協会秋季シンポジウム講演予稿集(Web) 35th 2022
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Investigation of Li ion conduction and crystal domain dependence using perovskite-type oxide LLTO single crystals
小林俊介, 横江大作, 藤原靖幸, 川原一晃, 幾原雄一, 幾原雄一, 桑原彰秀
電池討論会PDF要旨集(CD-ROM) 63rd 2022
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リチウムイオン電池用正極膜内部の充放電による構造変化
幾原裕美, 高翔, 高翔, FISHER Craig, 桑原彰秀, 森分博紀, 川原一晃, 石川亮, 幾原雄一, 幾原雄一
JFCC研究成果集 2022 2022
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Nano-Structural Changes during Electrochemical Cycling of Oriented LiMn2O4 Cathodic Thin Films
幾原裕美, GAO Xiang, FISHER Craig A. J., 桑原彰秀, 森分博紀, 川原一晃, 石川亮, 幾原雄一, 幾原雄一
日本セラミックス協会秋季シンポジウム講演予稿集(Web) 35th 2022
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Structure Determination of Silicene on Ag(111) by Low-Energy Electron Diffraction
Kazuaki Kawahara, Tetsuroh Shirasawa, Noriaki Takagi
ISSP activity report 2013 42-43 2014/03
Presentations 52
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Fluoride ion conductivity of bromine-doped KSbF4
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
2025/03/06
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Fluoride ion conductivity of halogen doped KSbF 4 (KSbF 3.9 X 0.1 : X=Cl, Br,
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
2024/11/22
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Fluoride ion conductivity of Rb-doped KSbF4
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
ECS PRiME 2024 2024/10/09
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Super-resolution of atomic-resolution STEM image by total third degree variation
Kazuaki Kawahara, Ryo Ishikawa, Shun Sasano, Naoya Shibata, Yuichi Ikuhara
2024/06/04
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Fluoride ion conductivity of halogen-doped KSbF4
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
2024/03/15
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Development of fluoride ion conductors based on LaF3
Kazuaki Kawahara, Ryo Ishikawa, Shun Sasano, Naoya Shibata, Yuichi Ikuhara
2023/11/29
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Atomic-resolution STEM image denoising by total variation regularization
K. Kawahara, R. Ishikawa, S. Sasano, N. Shibata, Y. Ikuhara
IMC20 2023/09/12
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Atomic-Resolution STEM Image Denoising by Total Variation Regularization
K. Kawahara, R. Ishikawa, S. Sasano, N. Shibata, Y. Ikuhara
IAMNano2023 2023/06/28
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全三階変動を用いた原子分解能STEM像のノイズ除去
川原一晃, 石川亮, 佐々野駿, 柴田直哉, 幾原雄一
日本顕微鏡学会第79回学術講演会 2023/06/26
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LaF3を基にしたフッ化物イオン伝導体の開発
川原一晃, 石川亮, 佐々野駿, 柴田直哉, 幾原雄一
日本セラミックス協会2023年年会 2023/03
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Cs添加KSbF4のフッ化物イオン伝導
川原一晃, 石川亮, 柴田直哉, 幾原雄一
第63回電池討論会 2022/11
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Fluoride ion conductivity of Cs-doped KSbF4
Kazuaki Kawahara, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara
23rd International Conference on Solid State Ionics 2022/07
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Total variation正則化を用いた原子分解能STEM像のノイズ除去
川原一晃, 石川亮, 佐々野駿, 柴田直哉, 幾原雄一
日本顕微鏡学会第78回学術講演会 2022/05
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Cs添加KSbF4(K1-xCsxSbF4)のフッ化物イオン伝導
川原一晃, 石川亮, 柴田直哉, 幾原雄一
日本セラミックス協会2022年年会 2022/03
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Rb添加KSbF4(K1-xRbxSbF4)のフッ化物イオン伝導
川原一晃, 石川亮, 柴田直哉, 幾原雄一
第62回電池討論会 2021/12
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Fluoride ion conductivity of potassium tetrafluoroantimonate
Kazuaki Kawahara, Ryo Ishikawa, Kei Nakayama, Naoya Shibata, Yuichi Ikuhara
The 14th Pacific Rim Conference of Ceramic Societies 2021/12
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Rb添加KSbF4のフッ化物イオン伝導
川原一晃, 石川亮, 柴田直哉, 幾原雄一
日本セラミックス協会 第34回秋季シンポジウム 2021/09
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KSbF4のフッ化物イオン伝導
川原一晃, 石川亮, 仲山啓, 柴田直哉, 幾原雄一
日本セラミックス協会2021年会 2021/03
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フルオロアンチモン酸カリウム(KSbxF1+3x)のフッ化物イオン伝導
川原一晃, 石川亮, 仲山啓, 柴田直哉, 幾原雄一
第61回電池討論会 2020/11
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界面接合の実験と数理 Invited
川原一晃, 井上和俊, 斎藤光浩, 荒船竜一, 林俊良, 高木紀明, 川合眞紀, 幾原雄一
IMI workshop II: 材料科学における幾何と代数I 2020/09
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フルオロアンチモン(III)酸カリウムのフッ化物イオン伝導
川原一晃, 石川亮, 柴田直哉, 幾原雄一
日本セラミックス協会2020年会 2020/03
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Atomic structure and Li-ion conductivity of (La,Li)NbO3 electrolyte
Kazuaki Kawahara, Ryo Ishikawa, Kei Nakayama, Takuma Higashi, Yumi Ikuhara, Teiichi Kimura, Naoya Shibata, Yuichi Ikuhara
The 13th Pacific Rim Conference of Ceramic Societies 2019/10
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情報理論を用いた画像解析
川原一晃
第19回結晶界面工学研究会 2019/09
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Li-ion conductivity of lithium lanthanum niobate polycrystals
Kazuaki Kawahara, Ryo Ishikawa, Kei Nakayama, Takuma Higashi, Yumi Ikuhara, Teiichi Kimura, Naoya Shibata, Yuichi Ikuhara
22nd International Conference on Solid State Ionics 2019/06
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(La,Li)NbO3固体電解質のイオン伝導と局所構造
川原一晃, 石川亮, 仲山啓, 東拓磨, 木村禎一, 幾原裕美, 柴田直哉, 幾原雄一
第59回電池討論会 2018/11
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格子整合と数論
川原一晃
第18回結晶界面工学研究会 2018/09
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(Li,La)NbO3多結晶体の局所構造とイオン伝導
川原一晃, 石川亮, 仲山啓, 東拓磨, 木村禎一, 幾原裕美, 柴田直哉, 幾原雄一
日本セラミックス協会 第31回秋季シンポジウム 2018/09
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Ionic conductivity of lithium lanthanum niobate polycrystals: Electrochemical impedance spectroscopy analysis
Kazuaki Kawahara, Takuma Higashi, Kei Nakayama, Ryo Ishikawa, Teiichi Kimura, Yumi Ikuhara, Naoya Shibata, Yuichi Ikuhara
International meeting on lithium batteries 2018 2018/06
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低速電子回折を用いたWTe2表面の構造解析 Invited
川原一晃, Zeyuan Ni, 荒船竜一, 白澤徹郎, 林俊良, 南谷英美, 渡邉聡, 川合眞紀, 高木紀明
日本表面科学会北海道東北関東支部合同セミナー 2017/11
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Application of Markov chain Monte Carlp method to curve fitting
川原一晃
第17回結晶界面工学研究会 2017/09
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二テルル化タングステン表面の構造解析
川原一晃, 荒船竜一, 白澤徹郎, 林俊良, Zeyuan Ni, 南谷英美, 渡邉聡, 川合眞紀, 高木紀明
第36回表面科学学術講演会 2016/12
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Structure determination of multilayer silicene on Ag(111) by dynamical low- energy electron diffraction and scanning tunneling microscopy
川原一晃, 白澤徹郎, 林俊良, 長尾遼, 荒船竜一, 高橋敏男, 川合眞紀, 高木紀明
第7回真空・表面若手研究会 2016/12
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Structure Determination of Tungsten Telluride Surface
川原一晃, 荒船竜一, 白澤徹郎, 林俊良, Zeyuan Ni, 南谷英美, 渡邉聡, 川合眞紀, 高木紀明
表面界面スペクトロスコピー2016 2016/11
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代数的整数論を応用した2次元格子整合理論
川原一晃, 荒船竜一, 川合眞紀, 高木紀明
日本物理学会2016年秋季大会 2016/09
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Ag(111)単結晶上に作製した多層シリセンの構造
川原一晃, 白澤徹郎, 林俊良, 長尾遼, 塚原規志, 高橋敏男, 荒船竜一, 川合眞紀, 高木紀明
日本物理学会2016年年次大会 2016/03
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Structure of silicene grown on Ag(111)
Kazuaki Kawahara
8th HOPE MEETING with Nobel Laureates 2016/03
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Ag(111)上に成長させた多層シリセンの構造
川原一晃, 白澤徹郎, 林俊良, 荒船竜一, 長尾遼, 塚原規志, 高橋敏男, 川合眞紀, 高木紀明
第35回表面科学学術講演会 2015/12
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代数的整数論に基づいた2次元格子整合理論
川原一晃, 荒船竜一, 川合眞紀, 高木紀明
第6回真空・表面科学若手研究会 2015/12
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Ag(111)上に作製した多層シリセンの構造
川原一晃, 白澤徹郎, 林俊良, 長尾遼, 塚原規志, 高橋敏男, 荒船竜一, 川合眞紀, 高木紀明
表面界面スペクトロスコピー2015 2015/11
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Application of algebraic number theory to 2-dimensional lattice matching
Kazuaki Kawahara, Ryuichi Arafune, Maki Kawai, Noriaki Takagi
10th International Symposium on Atomic Level Characterizations for New Materials and Devices ’15 2015/10
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Ag(111)上シリセンの成長様式
川原一晃, 望月出海, 白澤徹郎, 林俊良, 長尾遼, 荒船竜一, 川上直也, 和田健, 塚原規志, 高橋敏男, 兵頭俊夫, 川合眞紀, 高木紀明
日本物理学会2015年秋季大会 2015/09
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Ag(111)上に成長させたシリセンの構造
川原一晃, 荒船竜一, 林俊良, 白澤徹郎, 塚原規志, 高橋敏男, 川合眞紀, 高木紀明
表面界面スペクトロスコピー2014 2014/12
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Determination of Silicene on Ag(111) by Low-Energy Electron Diffraction
Kazuaki Kawahara, Tetsuroh Shirasawa, Ryuichi Arafune, Chung-Liang Lin, Toshio Takahashi, Maki Kawai, Noriaki Takagi
The 7th International Symposium on Surface Science 2014/11
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2次元格子整合の数学的考察
川原一晃, 荒船竜一, 川合眞紀, 高木紀明
日本物理学会2014年秋季大会 2014/09
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Structure determination of silicene on Ag(111) by low-energy electron diffraction
Kazuaki Kawahara, Tetsuroh Shirasawa, Ryuichi Arafune, Chung-Liang Lin, Toshio Takahashi, Maki Kawai, Noriaki Takagi
11th International Conference on the Structure of Surfaces 2014/07
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Structure Determination of Silicene on Ag(111) by Low Energy Electron Diffraction
Kazuaki Kawahara, Tetsuroh Shirasawa, Ryuichi Arafune, Chung-Liang Lin, Toshio Takahashi, Maki Kawai, Noriaki Takagi
Symposium on Surface and Nano Science 2014 2014/01
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低速電子回折を用いたAg(111)上シリセンの構造解析
川原一晃, 白澤徹郎, 荒船竜一, 林俊良, 高橋敏男, 川合眞紀, 高木紀明
表面界面スペクトロスコピー2013 2013/12
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Structure Determination of Silicene on Ag(111) by Dynamical Low Energy Electron Diffraction
Kazuaki Kawahara, Tetsuroh Shirasawa, Ryuichi Arafune, Chung-Liang Lin, Toshio Takahashi, Maki Kawai, Noriaki Takagi
12th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures 2013/11
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LEEDによるAg(111)上シリセンの構造解析
川原一晃, 白澤徹郎, 荒船竜一, 林俊良, 高橋敏男, 川合眞紀, 高木紀明
日本物理学会2013年秋季大会 2013/09
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Ag(111)基板上に作製したシリセン多層膜の構造
川原一晃, 林俊良, 荒船竜一, 中村耕太郎, 長尾遼, 塚原規志, 高木紀明, 川合眞紀
日本物理学会2013年年次大会 2013/03
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Ag(111)基板上に作製したシリセンの構造
川原一晃, 林俊良, 荒船竜一, 塚原規志, 高木紀明, 川合眞紀
日本物理学会2012年秋季大会 2012/09
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Structure property of silicene on Ag(111)
Kazuaki Kawahara, Chung-Liang Lin, Ryuichi Arafune, Noriyuki Tsukahara, Noriaki Takagi, Maki Kawai
14th International Conferenece on Vibrations At Surfaces 2012/09
Industrial Property Rights 3
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プログラム、画像修復装置及び画像修復方法
岡田真人, 片上舜, 久住太一, 柴田直哉, 石川亮, 川原一晃
Property Type: Patent
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フッ化物イオン電池用負極活物質
幾原雄一, 石川亮, 川原一晃, 佐々野駿
Property Type: Patent
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Fluoride ion conductor and its manufacturing method
Property Type: Patent
Research Projects 7
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High spatiotemporal-resolution STEM imaging for materials interface
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Challenging Research (Pioneering)
Institution: The University of Tokyo
2025/06/27 - 2028/03/31
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Development of super large-angle illumination STEM imaging
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (A)
Institution: The University of Tokyo
2024/04 - 2027/03
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Development of high-capacity cathode materials for fluoride ion batteries using double salts
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Early-Career Scientists
Institution: The University of Tokyo
2024/04 - 2027/03
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粒界数理学の構築に基づく機能材料創出
井上 和俊, 馮 斌, 川原 一晃
Offer Organization: 日本学術振興会
System: 科学研究費助成事業
Category: 基盤研究(B)
Institution: 東北大学
2021/04/01 - 2025/03/31
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粒界数理学の構築に基づく機能材料創出
井上 和俊, 馮 斌, 川原 一晃
Offer Organization: 日本学術振興会
System: 科学研究費助成事業 基盤研究(B)
Category: 基盤研究(B)
Institution: 東北大学
2021/04/01 - 2025/03/31
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Creation of new high-performance fluoride ion conductors using double salts
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists
Category: Grant-in-Aid for Early-Career Scientists
Institution: The University of Tokyo
2021/04/01 - 2024/03/31
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14族元素からなる2次元ハニカムシートの物性開拓
川原 一晃
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: 東京大学
2015/04/24 - 2017/03/31
Teaching Experience 1
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Student Experient The University of Tokyo