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Tohei Tetsuya  藤平 哲也

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TOHEI Tetsuya  藤平 哲也

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Researcher Number 00463878
Other IDs
Affiliation (Current) 2025: 大阪大学, 大学院基礎工学研究科, 准教授
Affiliation (based on the past Project Information) *help 2023 – 2024: 大阪大学, 大学院基礎工学研究科, 准教授
2019 – 2021: 大阪大学, 基礎工学研究科, 准教授
2017: 大阪大学, 基礎工学研究科, 准教授
2016: 東京大学, 大学院工学系研究科(工学部), 助教
2012 – 2015: 東京大学, 工学(系)研究科(研究院), 助教
Review Section/Research Field
Principal Investigator
Medium-sized Section 26:Materials engineering and related fields / Basic Section 26020:Inorganic materials and properties-related / Basic Section 21050:Electric and electronic materials-related / Physical properties of metals
Except Principal Investigator
Inorganic materials/Physical properties / Science and Engineering
Keywords
Principal Investigator
第一原理計算 / 電子顕微鏡その場観察 / 人工シナプス / 酸化物メモリスタ / 透過型電子顕微鏡 / 酸化物 / 磁性体 / エントロピー / 半導体 / TEMその場観察 … More / 点欠陥 / ルチル型TiO2 / 酸化物半導体 / 抵抗変化現象 / 酸化チタン / 透過型電子顕微鏡その場観察 / YMnO3 / DyInO3 / 複合酸化物 / ドメイン / ドメイン構造 / 強誘電体 / 走査透過型電子顕微鏡 … More
Except Principal Investigator
透過型電子顕微鏡 / 収差補正走査透過電子顕微鏡 / 収差補正等差透過型電子顕微鏡 / 電子顕微鏡 / 構造ユニット / 粒界・界面 / 結晶構造・組織制御 / 収差補正透過型電子顕微鏡 / 粒界拡散 / 粒界偏析 / セラミックス / バイクリスタル / 第一原理計算 / 結晶粒界 / ナノ / 界面・表面 / 格子欠陥 / その場観察 / 界面、粒界、表面、転位 / STEM / 機能元素 Less
  • Research Projects

    (6 results)
  • Research Products

    (109 results)
  • Co-Researchers

    (16 People)
  •  磁性体のエントロピー勾配に伴う新規磁気起電力効果の探索Principal Investigator

    • Principal Investigator
      藤平 哲也
    • Project Period (FY)
      2024 – 2025
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 26:Materials engineering and related fields
    • Research Institution
      Osaka University
  •  Development of plastic functionality electronic devices based on elementary processes of point defects fluid and condensationPrincipal Investigator

    • Principal Investigator
      藤平 哲也
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 26020:Inorganic materials and properties-related
    • Research Institution
      Osaka University
  •  TEM operand and first principles analysis of mechanisms of time-dependent oxide memristor propertiesPrincipal Investigator

    • Principal Investigator
      Tohei Tetsuya
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 21050:Electric and electronic materials-related
    • Research Institution
      Osaka University
  •  Interfacial structural unit design for advanced stractural and functional materials

    • Principal Investigator
      幾原 雄一
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Inorganic materials/Physical properties
    • Research Institution
      The University of Tokyo
  •  Frontier explorations in nanodopant analysis

    • Principal Investigator
      Shibata Naoya
    • Project Period (FY)
      2013 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      The University of Tokyo
  •  Atomistic scale analysis of microstructures in unconventional ferroelectric oxidesPrincipal Investigator

    • Principal Investigator
      TOHEI Tetsuya
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Physical properties of metals
    • Research Institution
      The University of Tokyo

All 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 Other

All Journal Article Presentation Patent

  • [Journal Article] Versatile Functionality of Four-Terminal TiO2-x Memristive Devices as Artificial Synapses for Neuromorphic Computing2022

    • Author(s)
      Ryotaro Miyake, Zenya Nagata, Kenta Adachi, Yusuke Hayashi, Tetsuya Tohei, Akira Sakai
    • Journal Title

      ACS Applied Electronic Materials

      Volume: - Issue: 5 Pages: 2326-2336

    • DOI

      10.1021/acsaelm.2c00161

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K04468, KAKENHI-PROJECT-19K05525, KAKENHI-PROJECT-20H00248, KAKENHI-PROJECT-21K18723
  • [Journal Article] Fabrication of GaOx based crossbar array memristive devices and their resistive switching properties2020

    • Author(s)
      M. Joko, Y. Hayashi, T. Tohei, A. Sakai
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: 59 Issue: SM Pages: SMMC03-SMMC03

    • DOI

      10.35848/1347-4065/ab8be6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K04468, KAKENHI-PROJECT-20H00248
  • [Journal Article] Gate Tuning of Synaptic Functions Based on Oxygen Vacancy Distribution Control in Four-Terminal TiO2-x Memristive Devices2019

    • Author(s)
      Z. Nagata, T. Shimizu, T. Isaka, T. Tohei*, N. Ikarashi, A. Sakai*
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1

    • DOI

      10.1038/s41598-019-46192-x

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K04468, KAKENHI-PROJECT-17H03236
  • [Journal Article] Leakage current analysis for dislocations in Na-flux GaN bulk single crystals by conductive atomic force microscopy2018

    • Author(s)
      Hamachi T.、Takeuchi S.、Tohei T.、Imanishi M.、Imade M.、Mori Y.、Sakai A.
    • Journal Title

      Journal of Applied Physics

      Volume: 123 Issue: 16 Pages: 161417-161417

    • DOI

      10.1063/1.5011345

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-16H06423, KAKENHI-PLANNED-25106003
  • [Journal Article] Microstructural analysis in the depth direction of a heteroepitaxial AlN thick film grown on a trench-patterned template by nanobeam X-ray diffraction2018

    • Author(s)
      Shida K.、Takeuchi S.、Tohei T.、Miyake H.、Hiramatsu K.、Sumitani K.、Imai Y.、Kimura S.、Sakai A.
    • Journal Title

      Journal of Applied Physics

      Volume: 123 Issue: 16 Pages: 161563-161563

    • DOI

      10.1063/1.5011291

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-16H06423, KAKENHI-PLANNED-25106003, KAKENHI-PLANNED-16H06415
  • [Journal Article] Leakage current analysis in GaN-on-GaN p-n diode by conductive atomic force microscopy2018

    • Author(s)
      S. Mizutani, T. Hamachi, S. Takeuchi, T. Tohei, T. Kachi, S. Sarayama, and A. Sakai
    • Journal Title

      Proceedings for The 21th SANKEN International The 16th SANKEN Nanotechnology Symposium, January 16 - 17, 2018, Osaka, Japan.

      Volume: -

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Analysis of Ti valence States in resistive switching regions of a rutile TiO2-x four-terminal memristive devices2018

    • Author(s)
      K. Yamaguchi, S. Takeuchi, T. Tohei, N. Ikarashi, and A. Sakai
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: -

    • NAID

      210000149225

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Nanobeam X-ray diffraction analysis of lattice deformation in thin nano-indented single crystal Si wafers2018

    • Author(s)
      Y. Mametsuka, S. Takeuchi, T. Tohei, K. Sumitani, Y. Imai, S. Kimura, J. Fujise, T. Ono, and A. Sakai
    • Journal Title

      Proceedings for The 21th SANKEN International The 16th SANKEN Nanotechnology Symposium

      Volume: -

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] TEM Microstructure Analysis of Resistive Switching Regions in Rutile TiO2 Single Crystal Memristors2017

    • Author(s)
      T. Tohei, H. Murakami, K. Yamaguchi, T. Shimizu, S. Takeuchi, and A. Sakai
    • Journal Title

      Proceedings for The 3rd East-Asia Microscopy Conference (EAMC3)

      Volume: -

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Analysis of Ti valence state in resistive switching region of rutile TiO2-x four-terminal memristive device2017

    • Author(s)
      K. Yamaguchi, S. Takeuchi, T. Tohei, N. Ikarashi, and A. Sakai
    • Journal Title

      Proceedings for International Workshop on Dielectric Thin Films for Future Electron Devices: Science and Technology (IWDTF 2017)

      Volume: -

    • NAID

      210000149225

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Inversion Domain Boundaries in Mn and Al Dual Doped ZnO: Atomic Structure and Electronic Properties2017

    • Author(s)
      Joshua Hoemke, Eita Tochigi, Tetsuya Tohei, Hidehiro Yoshida, Naoya Shibata, Yuichi Ikuhara, Yoshio Sakka
    • Journal Title

      Journal of the American Ceramic Society

      Volume: 100 Issue: 9 Pages: 4252-4262

    • DOI

      10.1111/jace.14931

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-25106003, KAKENHI-PLANNED-25106006, KAKENHI-PROJECT-17H01316, KAKENHI-PROJECT-17H06094
  • [Journal Article] Valence state analysis of Ti in resistive switching region of rutile TiO2-x single crystals memristor2017

    • Author(s)
      K. Yamaguchi, S. Takeuchi, T. Shimizu, T. Tohei, N. Ikarashi, and A. Sakai
    • Journal Title

      Proceedings for International Conference on Materials and Systems for Sustainability (ICMaSS 2017)

      Volume: -

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Resistive switching characteristics of four-terminal TiO2-x single crystal memristive device2017

    • Author(s)
      T. Shimizu, S. Takeuchi, T. Tohei, and A. Sakai
    • Journal Title

      Proceedings for International Workshop on Dielectric Thin Films for Future Electron Devices: Science and Technology (IWDTF 2017)

      Volume: -

    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Thermoelectric phase diagram of the SrTiO3-SrNbO3 solid solution system2017

    • Author(s)
      Yuqiao Zhang, Bin Feng, Hiroyuki Hayashi, Tetsuya Tohei, Isao Tanaka, Yuichi Ikuhara, Hiromichi Ohta
    • Journal Title

      Journal of Applied Physics

      Volume: 121 Issue: 18 Pages: 185102-185102

    • DOI

      10.1063/1.4983359

    • NAID

      120006463557

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-25106003, KAKENHI-PROJECT-17H06094
  • [Journal Article] Ferroelectric domains and phase evolution in (Fe:) KTa1-xNbxO3 crystals2017

    • Author(s)
      H. Y. Zhao, K. Cai, Z. R. Fan, Z. D. Huang, Z. B. Ma, T. T. Jia, H. Kimura, Y. G. Yang, T. Matsumoto, T. S. Tohei, N. Shibata, Y. Ikuhara
    • Journal Title

      Applied Surface Science

      Volume: 413 Pages: 1-6

    • DOI

      10.1016/j.apsusc.2017.04.003

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-25106003, KAKENHI-PROJECT-17H01316, KAKENHI-PROJECT-17H06094
  • [Journal Article] Atomic structures of a liquid-phase bonded metal / nitride heterointerface2016

    • Author(s)
      A. Kumamoto, N. Shibata, K. Nayuki, T. Tohei, N. Terasaki, Y. Nagatomo, T. Nagase, K. Akiyama, Y. Kuromitsu and Y. Ikuhara
    • Journal Title

      Scientific Reports

      Volume: 6 Issue: 1 Pages: 22936-22936

    • DOI

      10.1038/srep22936

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15H02290, KAKENHI-PROJECT-26289234, KAKENHI-PLANNED-25106003
  • [Journal Article] First principles calculation of thermal expansion coefficients of pure and Cr doped alpha-alumina crystals2016

    • Author(s)
      Tetsuya Tohei, Yuito Watanabe, Hak-Sung Lee, Yuichi Ikuhara
    • Journal Title

      Journal of Applied Physics

      Volume: 120 Issue: 14 Pages: 142106-142106

    • DOI

      10.1063/1.4961720

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-25106003, KAKENHI-PROJECT-15H02290
  • [Journal Article] First principles study of oxygen diffusion in a alpha-alumina {10-11} twin grain boundary2015

    • Author(s)
      T. Tohei, Y. Watanabe, N. Takahashi, T. Nakagawa, N. Shibata and Y. Ikuhara
    • Journal Title

      Philosophical Magazine

      Volume: 95 Issue: 35 Pages: 3985-3999

    • DOI

      10.1080/14786435.2015.1110257

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15H02290, KAKENHI-PROJECT-26289234, KAKENHI-PLANNED-25106003
  • [Journal Article] First Principles Calculation of Thermal Expansion of Carbon and Boron Nitrides Based on Quasi-Harmonic Approximation2015

    • Author(s)
      T. Tohei, HS. Lee, and Y. Ikuhara
    • Journal Title

      MATERIALS TRANSACTIONS

      Volume: 56 Issue: 9 Pages: 1452-1456

    • DOI

      10.2320/matertrans.MA201574

    • NAID

      130005094792

    • ISSN
      1345-9678, 1347-5320
    • Language
      English
    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Journal Article] First Principles Study on Vacancy Formation and Diffusion Behaviors in a-Al2O3 Grain Boundary2015

    • Author(s)
      T. Tohei, Y. Watanabe, N. Shibata, Y. Ikuhara
    • Journal Title

      AMTC Letters

      Volume: 4 Pages: 134-135

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Journal Article] Fluorine in Shark Teeth: Its Direct Atomic-Resolution Imaging and Strengthening Function2014

    • Author(s)
      Chen, Chunlin; Wang, Zhongchang; Saito, Mitsuhiro; Tohei, Tetsuya; Takano, Yoshiro; Ikuhara, Yuichi
    • Journal Title

      Angewandte Chemie

      Volume: 126 Issue: 6 Pages: 1569-1573

    • DOI

      10.1002/anie.201307689

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24390408, KAKENHI-PROJECT-24760532, KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003
  • [Journal Article] Determination of Exact Positions of Individual Tungsten Atoms in Unisize Tungsten Oxide Clusters Supported on Carbon Substrate by HAADF-STEM Observation2014

    • Author(s)
      H. Yasumatsu, T. Tohei, Y. Ikuhara
    • Journal Title

      J. Phys. Chem. C

      Volume: 118 Issue: 3 Pages: 1706-1711

    • DOI

      10.1021/jp4083745

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003
  • [Journal Article] Phase Boundary Structure of LixFePO4 Cathode Material Revealed by Atomic-Resolution Scanning Transmission Electron Microscopy2014

    • Author(s)
      A. Nakamura, S. Furutsuki, S. Nishimura, T. Tohei, Y. Sato, N. Shibata, A. Yamada, and Y. Ikuhara
    • Journal Title

      Chemistry of Materials

      Volume: 26 Issue: 21 Pages: 6178-6184

    • DOI

      10.1021/cm5024986

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-13J07879, KAKENHI-PROJECT-23245042, KAKENHI-PROJECT-24760533, KAKENHI-PROJECT-26289234, KAKENHI-PLANNED-25106003
  • [Journal Article] Large magnetoelectric coupling in magnetically short-range ordered Bi5Ti3FeO15 film2014

    • Author(s)
      H. Zhao, H. Kimura, Z. Cheng, M. Osada, J. Wang, X. Wang, S. Dou, Y. Liu, J. Yu, T. Matsumoto, T. Tohei, N. Shibata, Y. Ikuhara
    • Journal Title

      Scientific Reports

      Volume: 4 Issue: 1 Pages: 5255-1

    • DOI

      10.1038/srep05255

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-24760533, KAKENHI-PROJECT-25289232, KAKENHI-PROJECT-26289234, KAKENHI-PLANNED-25106003
  • [Journal Article] A New Layered Iron Arsenide Superconductor: (Ca,Pr)FeAs22014

    • Author(s)
      H. Yakita, H. Ogino, T. Okada, A. Yamamoto, K. Kishio, T. Tohei, Y. Ikuhara, Y. Gotoh, H. Fujihisa, K. Kataoka
    • Journal Title

      J. Am. Chem. Soc.

      Volume: 136 Issue: 3 Pages: 846-849

    • DOI

      10.1021/ja410845b

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003
  • [Journal Article] Synthesis of String-Bean-Like Anisotropic Titania Nanoparticles with Basic Amino Acids2014

    • Author(s)
      Junzheng Wang, John K. Katahara, Akihito Kumamoto, Tetsuya Tohei, Ayae Sugawara-Narutaki, Atsushi Shimojima, Tatsuya Okubo
    • Journal Title

      RSC Adv

      Volume: 4 Issue: 18 Pages: 9233-9234

    • DOI

      10.1039/c3ra47170e

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23350098, KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003, KAKENHI-PUBLICLY-25107710
  • [Journal Article] First Principles Study on Vacancy Formation and Diffusion Behaviors in a-Al2O3 Grain Boundary2014

    • Author(s)
      Tetsuya Tohei, Yuito Watanabe, Naoya Shibata, Yuichi Ikuhara
    • Journal Title

      AMTC Letters

      Volume: 4 Pages: 134-135

    • Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Journal Article] Titanium enrichment and strontium depletion near edge dislocation in strontium titanate [001]/(110) low angle tilt grain boundary2014

    • Author(s)
      K. Takehara, Y. Sato, T. Tohei, N. Shibata, and Y. Ikuhara
    • Journal Title

      Journal of Materials Science

      Volume: 49 Issue: 11 Pages: 3962-3969

    • DOI

      10.1007/s10853-014-8034-5

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23760632, KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003, KAKENHI-PROJECT-26289234
  • [Journal Article] Double Columnar Structure with a Nanogradient Composite for Increased Oxygen Diffusivity and Reduction Activity2014

    • Author(s)
      Young-Wan Ju, Junji Hyodo, Atsushi Inoishi, Shintaro Ida, Tetsuya Tohei, Yeong-Gi So, Yuichi Ikuhara and Tatsumi Ishihara
    • Journal Title

      Advanced Energy Materials

      Volume: 4 Issue: 17

    • DOI

      10.1002/aenm.201400783

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24226016, KAKENHI-PROJECT-24760533
  • [Journal Article] Multivariate statistical characterization of charged and uncharged domain walls in multiferroic hexagonal YMnO3 single crystal visualized by a spherical aberration-corrected STEM2013

    • Author(s)
      T. Matsumoto, R. Ishikawa, T. Tohei, H. Kimura, Q. Yao, H. Zhao, X. Wang, D. Chen, Z. Cheng, N. Shibata and Y. Ikuhara
    • Journal Title

      Nano Lett.

      Volume: 13 Issue: 10 Pages: 4594-4601

    • DOI

      10.1021/nl402158c

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23686093, KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-25106003
  • [Journal Article] Chain-like nanostructures from anisotropic self-assembly of semiconducting metaloxide nanoparticles with block copolymer2012

    • Author(s)
      J. Wang, S. Winardi, A. Sugawara-Narutaki, A. Kumamoto, T. Tohei, A. Shimojima, and *T. Okubo
    • Journal Title

      Chemistry Communication

      Volume: 48 Issue: 90 Pages: 11115-11117

    • DOI

      10.1039/c2cc36210d

    • Peer Reviewed
    • Data Source
      KAKENHI-ORGANIZER-19053003, KAKENHI-PROJECT-23350098, KAKENHI-PROJECT-24760533, KAKENHI-PLANNED-22107005
  • [Journal Article] First principles calculation of dopant solution energy in HfO2 polymorphs2012

    • Author(s)
      M. Saitoh, T. Mizoguchi, T. Tohei, Y Ikuhara
    • Journal Title

      Journal of Applied Physics

      Volume: 112[8] Issue: 8 Pages: 84514-84514

    • DOI

      10.1063/1.4755797

    • Peer Reviewed
    • Data Source
      KAKENHI-ORGANIZER-19053003, KAKENHI-PROJECT-23656395, KAKENHI-PROJECT-24760533
  • [Journal Article] Nanowire of hexagonal gallium oxynitride: Direct observation of its stacking disorder and its long nanowire growth2012

    • Author(s)
      Y. Masubuchi, R. Yamaoka, T. Tohei, T. Mizoguchi, Y. Ikuhara, S. Kikkawa
    • Journal Title

      Journal of The European Ceramic Society

      Volume: 32(9 SI) Issue: 9 Pages: 1989-1993

    • DOI

      10.1016/j.jeurceramsoc.2011.10.038

    • NAID

      120005946650

    • Peer Reviewed
    • Data Source
      KAKENHI-ORGANIZER-19053003, KAKENHI-PUBLICLY-22015001, KAKENHI-PROJECT-23655188, KAKENHI-PROJECT-23656395, KAKENHI-PROJECT-24760533
  • [Journal Article] Observation of Microstructures in Doped LaMOX Compounds by Atomic Scale STEM Imaging2012

    • Author(s)
      T. Tohei, T. Mizoguchi, H. Hiramatsu, Y. Kamihara, H. Hosono, and Y. Ikuhara
    • Journal Title

      AMTC Letters

      Volume: 3 Pages: 26-27

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Patent] メモリスタおよびそれを備えたアレイシステム2019

    • Inventor(s)
      林侑介,藤平哲也,酒井朗
    • Industrial Property Rights Holder
      林侑介,藤平哲也,酒井朗
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] GaOxメモリスタの抵抗スイッチング特性評価2022

    • Author(s)
      佐藤健人、林侑介、藤平哲也、酒井朗
    • Organizer
      第69回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] アモルファスGaOxを用いたクロスバーアレイメモリスタの抵抗変化特性2022

    • Author(s)
      正岡直樹, 林侑介, 藤平哲也, 酒井朗
    • Organizer
      第69回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 平面型TiO2-xメモリスタ素子における抵抗変化領域のその場TEM観察2022

    • Author(s)
      谷口奈穂、藤平哲也、林侑介、酒井朗
    • Organizer
      第69回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 平面型微細TiO2-xメモリスタ素子における抵抗変化領域のその場TEM観察2021

    • Author(s)
      谷口奈穂、藤平哲也、林侑介、酒井朗
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 4端子平面型アモルファスGaOxメモリスタ素子の開発と抵抗変化特性評価2021

    • Author(s)
      池内太志,林侑介,藤平哲也,酒井朗
    • Organizer
      第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Temperature-Dependent Resistive Switching Properties of GaOx Memristors up to 600 K2021

    • Author(s)
      K. Sato, Y. Hayashi, T. Tohei, A. Sakai
    • Organizer
      2021 International Workshop on Dielectric Thin Films for future electron devices (IWDTF2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Heterosynaptic Property Demonstrated with Planar Four-Terminal Amorphous GaOx Memristive Devices2021

    • Author(s)
      T. Ikeuchi, Y. Hayashi, T. Tohei, A. Sakai
    • Organizer
      2021 International Conference on Solid State Devices and Materials (SSDM2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Pavlovian conditioning implemented in four-terminal TiO2-x memristive devices2021

    • Author(s)
      R. Miyake, K. Adachi, Y. Hayashi, T. Tohei, A. Sakai
    • Organizer
      4th International Conference on Memristive Materials, Devices & Systems (MEMRISYS 2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Habituation and sensitization properties mimicked in four-terminal TiO2-x memristive devices2021

    • Author(s)
      K. Adachi, Y. Hayashi, T. Tohei, A. Sakai
    • Organizer
      4th International Conference on Memristive Materials, Devices & Systems (MEMRISYS 2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 4端子平面型TiO2-xメモリスタ素子におけるゲート制御に基づくシナプス特性の変調2021

    • Author(s)
      安達健太,林侑介,藤平哲也,酒井朗
    • Organizer
      第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] ルチル型TiO2-x平面型メモリスタ素子における抵抗変化領域のその場TEM観察2021

    • Author(s)
      谷口奈穂,藤平哲也,上甲守治,林侑介,酒井朗
    • Organizer
      応用物理学会関西支部2020年度第1回+第2回合同講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 酸化物四端子型メモリスタの結晶微細構造と電気特性2021

    • Author(s)
      藤平哲也,三宅亮太郎,谷口奈穂,上甲守治,林侑介,酒井朗
    • Organizer
      第68回応用物理学会春季学術講演会
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 第一原理計算手法に基づく外部電場下におけるルチル型TiO2中の酸素空孔挙動の解析2021

    • Author(s)
      二宮 雅輝、藤平 哲也、林 侑介、酒井 朗
    • Organizer
      第82回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Crystalline microstructure and electric property of rutile TiO2 single crystal memristor2021

    • Author(s)
      T. Tohei, N. Taniguchi, T. Isaka, R. Miyake, M. Joko, Y. Hayashi, N. Ikarashi, A. Sakai
    • Organizer
      International Conference on Materials and Systems for Sustainability 2021 (ICMaSS2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] アモルファス酸化ガリウムを用いたメモリスタの抵抗変化特性およびシナプス特性2020

    • Author(s)
      上甲守治, 池内太志, 林侑介, 藤平哲也, 酒井朗
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 複合顕微鏡アプローチによる機能性結晶のマルチスケール構造・物性解析2020

    • Author(s)
      藤平哲也
    • Organizer
      令和2年日本材料学会半導体エレクトロニクス部門委員会第1回特別研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 4端子平面型TiO2-xメモリスタ素子におけるドナーイオン分布2次元制御に基づくパブロフ型条件付けの実装2020

    • Author(s)
      三宅亮太郎,林侑介, 藤平哲也,酒井朗
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 4端子平面型TiO2-x メモリスタ素子における酸素空孔分布2次元制御に基づくSTP・LTP特性の実装2020

    • Author(s)
      安達健太, 酒井朗, 藤平哲也, 林侑介, 三宅亮太郎
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 第一原理計算による外部電場下におけるルチル型TiO2中の酸素空孔挙動解析2020

    • Author(s)
      井阪健,藤平哲也,林侑介, 酒井朗
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Electric and Microstructural Analysis of Rutile TiO2 Single Crystal Memristors2019

    • Author(s)
      T. Tohei
    • Organizer
      Joint 5th International Symposium on Frontiers in Materials Science & 3rd International Symposium on Nano-materials, Technology and Applications (FMS-NANOMATA 2019)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Oxygen vacancy distribution control for resistive switching of epitaxial TiO2-x thin films in four-terminal memristive devices2019

    • Author(s)
      R. Miyake, Z. Nagata, T. Tohei, and A. Sakai
    • Organizer
      2019 International Conference on Solid State Devices and Materials (SSDM2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Fabrication of GaOx Based Crossbar Array Memristive Devices and Their Resistive Switching Properties2019

    • Author(s)
      M. Joko, Y. Hayashi, T. Tohei, A. Sakai
    • Organizer
      2019 International Workshop on Dielectric Thin Films for Future Electron Devices: Science and Technology (IWDTF2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] GaOxを用いたクロスバーアレイメモリスタの開発と抵抗変化特性2019

    • Author(s)
      上甲守治,林侑介, 藤平哲也, 酒井朗
    • Organizer
      第80回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] Atomic and electronic structure analysis of resistive switching regions in rutile TiO2-x based four-terminal memristive devices2019

    • Author(s)
      T. Isaka, T. Tohei, T. Shimizu, S. Takeuchi, N. Ikarashi, A. Sakai
    • Organizer
      International Conference on Materials and Systems for Sustainability 2019 (ICMaSS2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 4端子TiO2-x薄膜メモリスタ素子によるシナプス特性の実装2019

    • Author(s)
      三宅亮太郎,林侑介, 藤平哲也,酒井朗
    • Organizer
      第80回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K04468
  • [Presentation] 改良型NaフラックスGaN単結晶内の単独転位における漏れ電流特性評価2018

    • Author(s)
      濱地威明, 竹内正太郎, 藤平哲也, 今西正幸, 今出完, 森勇介, 酒井朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 窒化物半導体中の格子欠陥が生み出す特異構造の3次元解析2018

    • Author(s)
      酒井朗, 志田和己, 竹内正太郎, 藤平哲也, 今井康彦, 木村滋
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] ナノビームX線回折法を用いた組成傾斜層を有する高Ge組成SiGe膜の結晶深さ方向格子面微細構造トモグラフィック解析2018

    • Author(s)
      志田和己, 竹内正太郎, 藤平哲也, 今井康彦, 木村滋, Andreas Schulze, Matty Caymax, 酒井朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 先端材料設計を目指した材料・デバイスの原子レベル解析2018

    • Author(s)
      藤平哲也
    • Organizer
      日本セラミックス協会2017年度ガラス表面・分析研究討論会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 酸素空孔分布制御型4端子メモリスタ素子における抵抗変化機構の有限要素法シミュレーション2018

    • Author(s)
      永田善也, 清水拓磨, 竹内正太郎, 藤平哲也, 酒井朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 4端子メモリスタ素子における抵抗変化特性精密制御2018

    • Author(s)
      志田和己, 竹内正太郎, 藤平哲也, 今井康彦, 木村滋, Andreas Schulze, Matty Caymax, 酒井朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] ルチル型TiO2単結晶微細メモリスタ素子における抵抗変化領域のTEM微細構造解析2017

    • Author(s)
      山口賢吾, 村上弘弥, 清水拓磨, 竹内正太郎, 藤平哲也, 酒井朗
    • Organizer
      第78回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] Al-Sn添加ZnOにおける反転ドメイン構造の形成と選択的偏析現象2017

    • Author(s)
      栃木 栄太, ヘムキ ジョシュア, 藤平 哲也, 吉田 英弘, 目 義雄, 柴田 直哉, 幾原 雄一
    • Organizer
      日本金属学会 2017年秋期(第161回)講演大会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 4端子TiO2単結晶構造メモリスタの抵抗変化特性2017

    • Author(s)
      清水拓磨, 竹内正太郎, 藤平哲也, 酒井朗
    • Organizer
      第78回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] TEMナノインデンテーション法とSTEM法によるアルミナ粒界破面の原子構造解析2016

    • Author(s)
      栃木 栄太, 石原 聡仁, 近藤 隼, 藤平 哲也, 柴田 直哉, 幾原 雄一
    • Organizer
      日本顕微鏡学会第72回学術講演会
    • Place of Presentation
      仙台国際センター、宮城県
    • Year and Date
      2016-06-14
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 単原子層偏析を伴う金属/セラミックス界面の原子分解能STEM-EDSマッピング2016

    • Author(s)
      熊本 明仁, 柴田 直哉, 名雪 桂一郎, 藤平 哲也, 寺崎 伸幸, 長友 義幸, 長瀬 敏之, 秋山 和裕, 黒光 祥郎, 幾原 雄一
    • Organizer
      日本顕微鏡学会第72回学術講演会
    • Place of Presentation
      仙台国際センター、宮城県
    • Year and Date
      2016-06-15
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] アルミナ結晶の熱膨張係数の第一原理計算2016

    • Author(s)
      藤平哲也,渡邉唯人,幾原雄一
    • Organizer
      日本セラミックス協会2016年年会
    • Place of Presentation
      早稲田大学西早稲田キャンパス,東京都新宿区
    • Year and Date
      2016-03-15
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] Al合金と極性結晶AlNの溶融接合界面における原子分解能構造解析2016

    • Author(s)
      熊本 明仁, 柴田 直哉, 名雪 桂一郎, 藤平 哲也, 寺崎 伸幸, 長友 義幸, 長瀬 敏之, 秋山 和裕, 黒光 祥郎, 幾原 雄一
    • Organizer
      日本金属学会秋期講演大会
    • Place of Presentation
      大阪大学豊中キャンパス, 大阪府
    • Year and Date
      2016-09-22
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] 単原子層偏析を伴う金属/セラミックス界面の原子分解能STEM-EDSマッピング2016

    • Author(s)
      熊本 明仁, 柴田 直哉, 名雪 桂一郎, 藤平 哲也, 寺崎 伸幸, 長友 義幸, 長瀬 敏之, 秋山 和裕, 黒光 祥郎, 幾原 雄一
    • Organizer
      日本顕微鏡学会第72回学術講演会
    • Place of Presentation
      仙台国際センター, 宮城県
    • Year and Date
      2016-06-15
    • Invited
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] TEMナノインデンテーション法とSTEM法によるアルミナ粒界破面の原子構造解析2016

    • Author(s)
      栃木 栄太, 石原 聡仁, 近藤 隼, 藤平 哲也, 柴田 直哉, 幾原 雄一
    • Organizer
      日本顕微鏡学会第72回学術講演会
    • Place of Presentation
      仙台国際センター, 宮城県
    • Year and Date
      2016-06-14
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] Atomic scale STEM analysis of structure and dopant effects on grain boundary in oxide ceramics2016

    • Author(s)
      T. Tohei, M. Sakai, N. Shibata, and Y. Ikuhara
    • Organizer
      ICACC16
    • Place of Presentation
      Daytona Beach, FL, USA
    • Year and Date
      2016-01-26
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] Al合金と極性結晶AlNの溶融接合界面における原子分解能構造解析2016

    • Author(s)
      熊本 明仁, 柴田 直哉, 名雪 桂一郎, 藤平 哲也, 寺崎 伸幸, 長友 義幸, 長瀬 敏之, 秋山 和裕, 黒光 祥郎, 幾原 雄一
    • Organizer
      日本金属学会秋期大会
    • Place of Presentation
      大阪大学豊中キャンパス、豊中市、大阪府
    • Year and Date
      2016-09-22
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] First Principles Study of grain boundary diffusion in a-Al2O32015

    • Author(s)
      Tetsuya Tohei, Yuito Watanabe, Naoya Shibata, Yuichi Ikuhara
    • Organizer
      11th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (11th CMCEE)
    • Place of Presentation
      Hyatt Regency Vancouver, Vancouver, Canada
    • Year and Date
      2015-06-16
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] アルミナΣ11粒界における原子拡散挙動の第一原理計算2015

    • Author(s)
      藤平哲也, 渡邊唯人, 柴田直哉, 幾原雄一
    • Organizer
      日本セラミックス協会2015年年会
    • Place of Presentation
      岡山大学(岡山)
    • Year and Date
      2015-03-19
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] アルミナ双結晶の粒界偏析挙動に対する不純物濃度の影響2015

    • Author(s)
      藤平哲也,酒井正裕,柴田直哉,幾原雄一
    • Organizer
      日本セラミックス協会第28回秋季シンポジウム
    • Place of Presentation
      富山大学五福キャンパス, 富山県富山市
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] First principles study of oxygen diffusion behavior in -Al2O3 grain boundary2015

    • Author(s)
      T. Tohei, Y. Watanabe, N. Shibata, Y. Ikuhara
    • Organizer
      The 11th Pacific Rim Conference of Ceramic Societies
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2015-09-01
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] Atomic scale STEM analysis of structure and dopant effects on a-alumina grain boundary2015

    • Author(s)
      T. Tohei, M. Sakai, N. Shibata, and Y. Ikuhara
    • Organizer
      The 2nd East-Asia Microscopy Conference
    • Place of Presentation
      The Himeji Chamber of Commerce and Industry, Himeji, Hyogo, Japan
    • Year and Date
      2015-11-27
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] Phonon and related properties of ceramics materials from first principles calculations2015

    • Author(s)
      T. Tohei, Y. Watanabe, N. Shibata, Y. Ikuhara
    • Organizer
      2nd International symposium on Frontiers in Materials Science (FMS2015)
    • Place of Presentation
      Waseda University, Shinjuku-ku, Tokyo, Japan
    • Year and Date
      2015-11-19
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] アルミナΣ11粒界における原子拡散挙動の第一原理計算2015

    • Author(s)
      藤平 哲也, 渡邊 唯人, 柴田 直哉, 幾原 雄一
    • Organizer
      日本セラミックス協会2015年年会
    • Place of Presentation
      岡山大学、 岡山県、岡山市
    • Year and Date
      2015-03-19
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] First principles calculation of oxygen grain boundary diffusion in alpha-Al2O32015

    • Author(s)
      T. Tohei, Y. Watanabe, N. Shibata, and Y. Ikuhara
    • Organizer
      第25回日本MRS年次大会
    • Place of Presentation
      横浜情報文化センター,神奈川県横浜市
    • Year and Date
      2015-12-09
    • Data Source
      KAKENHI-PROJECT-15H02290
  • [Presentation] First Principles Study of grain boundary diffusion in a-Al2O32015

    • Author(s)
      Tetsuya Tohei, Yuito Watanabe, Naoya Shibata, Yuichi Ikuhara
    • Organizer
      11th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (11th CMCEE)
    • Place of Presentation
      Hyatt Regency Vancouver, Vancouver, Canada
    • Year and Date
      2015-06-16
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] アルミナ双結晶の粒界原子構造に対する不純物濃度の影響2014

    • Author(s)
      藤平哲也, 酒井正裕, 柴田直哉, 幾原雄一
    • Organizer
      日本顕微鏡学会第70回記念学術講演会
    • Place of Presentation
      幕張メッセ(千葉)
    • Year and Date
      2014-05-13
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] First Principles Study on Vacancy Formation and Diffusion Behaviors in a-Al2O3 Grain Boundary2014

    • Author(s)
      T. Tohei, Y. Watanabe, N. Shibata, Y. Ikuhara
    • Organizer
      Advanced Microscopy and Theoretical Calculations 4
    • Place of Presentation
      ACT CITY, Hamamatsu
    • Year and Date
      2014-05-08
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] 第一原理計算によるアルミナ粒界原子拡散挙動の理論的解析2014

    • Author(s)
      藤平哲也,渡邊唯人,柴田直哉,幾原雄一
    • Organizer
      日本金属学会2014年春季大会
    • Place of Presentation
      東京工業大学(東京)
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] First Principles Study on Vacancy Formation and Diffusion Behaviors in a-Al2O3 Grain Boundary2014

    • Author(s)
      Tetsuya Tohei, Yuito Watanabe, Naoya Shibata, Yuichi Ikuhara
    • Organizer
      The 4th International Symposium on Advanced Microscopy and Theoretical Calculations (AMTC4)
    • Place of Presentation
      ACT CITY Hamamatsu, Hamamatsu, Shizuoka, Japan
    • Year and Date
      2014-05-08
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] アルミナ粒界における原子拡散挙動の第一原理理論解析2014

    • Author(s)
      藤平 哲也, 渡邊 唯人, 柴田 直哉, 幾原 雄一
    • Organizer
      日本金属学会2014年度秋期講演大会
    • Place of Presentation
      名古屋大学、愛知県、千種区
    • Year and Date
      2014-08-25
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] アルミナ双結晶の粒界原子構造に対する不純物濃度の影響2014

    • Author(s)
      藤平 哲也, 酒井 正裕, 柴田 直哉, 幾原 雄一
    • Organizer
      日本顕微鏡学会第70回記念学術講演会
    • Place of Presentation
      幕張メッセ、千葉県、千葉市
    • Year and Date
      2014-05-13
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 走査透過型電子顕微鏡による材料微構造の原子レベル解析2014

    • Author(s)
      藤平哲也, 熊本明仁, 柴田直哉, 幾原雄一
    • Organizer
      日本顕微鏡学会第70回記念学術講演会
    • Place of Presentation
      幕張メッセ(千葉)
    • Year and Date
      2014-05-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] LixFePO4異相境界における歪み・組成分析解析2014

    • Author(s)
      中村 明穂, 古月 翔, 西村 真一, 藤平 哲也, 佐藤 幸生, 柴田 直哉, 山田 淳夫, 幾原 雄一
    • Organizer
      日本顕微鏡学会第70回記念学術講演会
    • Place of Presentation
      幕張メッセ、千葉県、千葉市
    • Year and Date
      2014-05-12
    • Invited
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] アルミナ粒界における原子拡散挙動の第一原理理論解析2014

    • Author(s)
      藤平哲也, 渡邊唯人, 柴田直哉, 幾原雄一
    • Organizer
      日本金属学会2014年度秋期講演大会
    • Place of Presentation
      名古屋大学(愛知)
    • Year and Date
      2014-09-25
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] 走査透過型電子顕微鏡による材料微構造の原子レベル解析2014

    • Author(s)
      藤平 哲也, 熊本 明仁, 柴田 直哉, 幾原 雄一
    • Organizer
      日本顕微鏡学会第70回記念学術講演会
    • Place of Presentation
      幕張メッセ、千葉県、千葉市
    • Year and Date
      2014-05-12
    • Invited
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] Structure and Dopant Effects of Oxide Grain Boundaries by Atomic Scale STEM Analysis2013

    • Author(s)
      T. Tohei, M. Sakai, Y. Watanabe, N. Shibata, and Y. Ikuhara
    • Organizer
      7th International Conference on the Science and Technology for Advanced Ceramics (STAC7)
    • Place of Presentation
      Mielparque, Yokohama
    • Invited
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] 原子分解能STEMによる材料界面・微構造の解析2013

    • Author(s)
      藤平哲也,柴田直哉, 溝口照康, 幾原雄一
    • Organizer
      第74回応用物理学会秋季学術講演会
    • Place of Presentation
      同志社大学(京都)
    • Invited
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] Analysis of Atomic Structure and Dopant Effects on alpha-alumina Grain Boundaries2013

    • Author(s)
      T. Tohei, M. Sakai, TH. Kweon, Y. Watanabe, N. Shibata, and Y. Ikuhara
    • Organizer
      iib2013
    • Place of Presentation
      Halkidiki, Greece
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] Phonon and related properties of ceramic materials by first principles calculations2013

    • Author(s)
      T. Tohei and Y. Ikuhara
    • Organizer
      SNU-UT Workshop on Oxide Systems for Energy & Electric Applications
    • Place of Presentation
      Seoul, Korea
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] 六方晶希土類複合酸化物の強誘電性と微構造2012

    • Author(s)
      藤平哲也・幾原雄一・田中功・森分博紀
    • Organizer
      日本金属学会2013年春期講演大会(第152回)
    • Place of Presentation
      愛媛大学(愛媛)
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] Observation of Microstructures in Doped LaMOX Compounds by Atomic Scale STEM Imaging2012

    • Author(s)
      T. Tohei, T. Mizoguchi, H. Hiramatsu, Y. Kamihara, H. Hosono, and Y. Ikuhara
    • Organizer
      3rd International Symposium on Advanced Microscopy and Theoretical Calculations (AMTC3)
    • Place of Presentation
      Gifu, Japan
    • Data Source
      KAKENHI-PROJECT-24760533
  • [Presentation] Atomic scale investigation of grain boundaries in CeO2

    • Author(s)
      B. Feng, H. Hojo, Y. Sato, T. Tohei, N. Shibata, T. Mizoguchi, H. Ohta and Y. Ikuhara
    • Organizer
      The 1st East-Asia Microscopy Conference (EAMC-1)
    • Place of Presentation
      Chongqing, China
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] First-principles calculation on Er segregation around screw

    • Author(s)
      Yan-Nan Feng, Yuki Kezuka, Eita Tochigi, Tsubasa Nakagawa, Tetsuya Tohei, Naoya Shibata, Kenji Tsuruta and Yuichi Ikuhara
    • Organizer
      The 153th Annual Fall Meeting of the Japan Institute of Metals and Materials
    • Place of Presentation
      Kanazawa University, Japan
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] 第一原理計算によるアルミナ粒界原子拡散挙動の理論的解析

    • Author(s)
      藤平哲也,渡邊唯人,柴田直哉,幾原雄一
    • Organizer
      日本金属学会2014年 春季(第154回)大会
    • Place of Presentation
      東京工業大学、目黒区、東京都
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] Analysis of interface and microstructure of materials by atomic resolution STEM

    • Author(s)
      藤平哲也,柴田直哉, 溝口照康, 幾原雄一
    • Organizer
      第74回応用物理学会秋季学術講演会
    • Place of Presentation
      同志社大学、京都府
    • Invited
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] Quantitative strain and chemical analysis for LiαFePO4/Li1-βFePO4 phase interface

    • Author(s)
      中村明穂, 古月翔, 西村真一, 藤平哲也, 佐藤幸生, 柴田直哉, 山田淳夫, 幾原雄一
    • Organizer
      新学術領域研究 ナノ構造材料のフロンティア開拓 第1回若手の会
    • Place of Presentation
      KKRホテル名古屋、愛知県
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] Zoom into the multiferroic vortex core in a hexagonal YMnO3 single crystal by an aberration-corrected TEM: a direct visualization of the topological vortex core pinned by another topological defect on the atomic scale

    • Author(s)
      Takao Matsumoto, Ryo Ishikawa, Tetsuya Tohei, Hideo Kimura, Qiwen Yao, Hongyang Zhao, Xiaolin Wang, Dapeng Chen, Zhenxiang Cheng, Naoya Shibata, and Yuichi Ikuhara
    • Organizer
      Frontiers of Electron Microscopy in Materials Science 2013
    • Place of Presentation
      Lorne, VIC, Australia
    • Data Source
      KAKENHI-PLANNED-25106003
  • [Presentation] LiFePO4/FePO4異相境界における局所strain解析

    • Author(s)
      中村明穂, 古月翔, 西村真一, 藤平哲也, 佐藤幸生, 柴田直哉, 山田淳夫, 幾原雄一
    • Organizer
      日本セラミックス協会第26回秋季シンポジウム
    • Place of Presentation
      信州大学,長野県
    • Data Source
      KAKENHI-PLANNED-25106003
  • 1.  IKUHARA YUICHI (70192474)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 38 results
  • 2.  石川 亮 (20734156)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 1 results
  • 3.  栃木 栄太 (50709483)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 5 results
  • 4.  Shibata Naoya (10376501)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 22 results
  • 5.  溝口 照康 (70422334)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 6.  佐藤 幸生 (80581991)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 5 results
  • 7.  MATSUMOTO Takao
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 8.  NAKABAYASHI Mamiko
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  IMAI Yasuhiko
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 10.  SHIMOJIMA Atsushi
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 11.  酒井 朗
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results
  • 12.  高野 吉郎
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 13.  大久保 達也
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 14.  菅原 彩絵
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 15.  伊田 進太郎
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 16.  石原 達己
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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