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OHBA Takuya  大庭 卓也

ORCIDConnect your ORCID iD *help
Researcher Number 00211110
Other IDs
Affiliation (based on the past Project Information) *help 2004 – 2005: 島根大学, 総合理工学部, 教授
2000 – 2002: Shimane University, Associate Professor, 総合理工学部, 助教授
1989 – 1999: 帝京大学, 理工学部, 助教授
1988: University of Tsukuba, Research Associate, 物質工学系, 助手
Review Section/Research Field
Principal Investigator
Physical properties of metals / 結晶学
Except Principal Investigator
Applied materials science/Crystal engineering / Physical properties of metals / 結晶学 / Physical properties of metals / Physical properties of metals / 電子デバイス・機器工学 / Electronic materials/Electric materials / 固体物性
Keywords
Principal Investigator
Nd-Fe-B / マルテンサイト変態 / AuCd合金 / composite crystal / コンポジット結晶 / X線回折 / 前駆現象 / phase transition / x-ray diffraction / stirling engine … More / four circle diffractometer / low temp.equipment / 小型冷凍機 / X線4軸回折計 / X線4軸型回析計 / 相転移 / X線4軸型回折計 / 低温装置 / Nd_xFe_4B_4 / incommensurate / NdーFeーB / インコメンシュレイト / 電気抵抗 / ソフト化 / 時効効果 / ソフニング / フォノン分散関係 … More
Except Principal Investigator
マルテンサイト変態 / Ti-Ni / Au-Cd / クラスター堆積 / スパッタ膜 / ガスフロースパッタ法 / グラニュラー磁性体 / X線散漫散乱 / 双晶 / 軟磁性 / スパッタ法 / martensitic transformation / 磁性薄膜 / 巨大磁気抵抗 / 変態前駆現象 / 時効効果 / 形状記憶合金 / Ni-Al / マルテンサイト / ゴム弾性的挙動 / Diffuse scattering / High temperatures / X-ray diffraction / MgCd合金 / 四軸型X線回折計試料高温装置 / 散漫散乱 / X線回折 / ち相Ag-Al / X線高温回折装置 / ζ相AgーAl / SHORT-RANGE-ORDER / hydrogen / twin / internal friction / high damning material / synchrotron radiation / Ti-Ni-Cu alloy / shape memory alloy / 2段変態 / 水素 / 内耗 / 高減衰能材料 / 放射光 / Ti-Ni-Cu合金 / Super-ferromagnetism / Super-paramagnetism / Magnetic thin film / Soft magnetic property / Coercivity / Magnetic particle / Granular magnetic material / 磁性材料 / 磁性体 / スーパーフェロ磁性 / スーパパラ磁性 / 保磁力 / 磁性粒子 / Gas now sputtering / Sputtered film / Cluster deposition / Magnetic film / Granular material / クラスター堆積法 / 磁気相互作用 / Co薄膜 / コバルト薄膜 / コバルト膜 / 磁気記録媒体 / phonon softening / lattice softening / R-phase transformation / pre-transformation / elastic constant / single crystal / Ti-Ni-Fe / Ti-Ni-Cu / R相変態 / Ti-Ni単結晶 / 単結晶 / martensite ageing / reverse transformation temperature / martensite / ageing effect / rubber-like behavior / マルテンサイト時効 / 逆変態温度 / gas-flow-sputtering / magnetic thin film / fine particle / granular magnetic material / magnetoresistance / giant magnetoresistance / 磁性体超微粒子 / グラニュラ磁性体 / GMR / 巨大磁気抵抗効果 / 超微粒子 / 磁気抵抗効果 / Pretransformation Phenomena / Burgers vector / Aging Effect / Rubber-like Behavior / Nucleation / Crystallography of Phase Transformations / Martensitic Transformations / 1st Order Diffusionless Phase Transformations / Au-Col合金 / In-Tl合金 / マルテンサイト変態の結晶学 / コンピューター・シミュレーション(マルテンサイト変態) / バーガースベクトル / 核形成 / ゴム弾性 / 相変態の結晶学 / 1次無拡散相変態 / lattice invariant shear / self-accommodation / 7R martensite / phenomenological theory / crystallography phase transformation / diffusionaless phase transformation / 構造解析 / 理象論 / マルテンサイト変態の結晶石 / AuーCol合金 / NiーAl合金 / 格子不変変形 / 自己調整 / 7Rマルテンサイト / 現象論 / 変態の結晶学 / 無拡散相変態 / Interlayer correlation / In-plane correlation / Structural anomaly / 2D layered compound / X-ray study / 二次元短範囲規則度 / AgxTiS_2 / 面間相関 / 面関相関 / 面間相間 / 面内相関 / 構造異常 / 層間化合物 / 共鳴周波数 / ZFC及びFC / 電子受容体 / bco(底心立方格子) / 新機能創製 / IClドープ / IBrドープ / C_<60> / 形状記性合金 / 高分解能電子顕微鏡観察 / CuーAlーNi合金 / 双晶境界 / 第II種双晶 / 積分強度 / 4軸回折計 / 軌道放射光 / Au-Cd合金 Less
  • Research Projects

    (20 results)
  • Research Products

    (5 results)
  • Co-Researchers

    (30 People)
  •  Martensitic Transformation and its Composition Dependence in Ti-Ni-Cu Shape Memory Alloys

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Physical properties of metals
    • Research Institution
      Foundation for Advancement of International Science
  •  Soft magnetic properties appeared in magnetic granular system with frustrated interactions between the particles

    • Principal Investigator
      ISHII Kiyoshi
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      Utsunomiya University
  •  マルテンサイト変態する合金の中間遷移状態と相変態のメカニズムPrincipal Investigator

    • Principal Investigator
      大庭 卓也
    • Project Period (FY)
      1999
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      Teikyo University
  •  Synthesis of Magnetic Granular Materials with GMR and Soft Magnetic Properties by Cluster Deposition Technique

    • Principal Investigator
      ISHII Kiyoshi
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      Utsunomiya University
  •  マルテンサイト変態する合金の双晶と相変態のメカニズムPrincipal Investigator

    • Principal Investigator
      大庭 卓也
    • Project Period (FY)
      1998
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      Teikyo University
  •  マルテンサイト変態する合金の双晶境界と相変態のメカニズムPrincipal Investigator

    • Principal Investigator
      大庭 卓也
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Teikyo University
  •  Martensitic Transformations in Ti-Ni alloy Single Crystals

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (B).
    • Research Field
      Physical properties of metals
    • Research Institution
      University of Tsukuba
  •  粒子状磁気記録媒体薄膜作成のための完全熱化高ガス圧スパッタ技術の開発

    • Principal Investigator
      石井 清
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      電子デバイス・機器工学
    • Research Institution
      Utsunomiya University
  •  Investigation of Martensite Ageing Effect and the Rubber-like Behavior

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      1995 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Physical properties of metals
    • Research Institution
      University of Tsukuba
  •  Low Temperature Equipment for Four Circle Diffractometer Developed by Using Small Closed-Cycle Integral Stirling EnginePrincipal Investigator

    • Principal Investigator
      OHBA Takuya
    • Project Period (FY)
      1994 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Physical properties of metals
    • Research Institution
      TEIKYO UNIVERSITY
  •  Study on Giant Magnetoresistance of Magnetic-particle-dispersed Metal Films

    • Principal Investigator
      ISHII Kiyoshi
    • Project Period (FY)
      1994 – 1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Utsunomiya University
  •  ハロゲン元素をドープしたC_<60>結晶の構造、磁性及び電子物性

    • Principal Investigator
      関根 久
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Teikyo University
  •  Effect of B Concentration on the Composite Crystal Nd-Fe-BPrincipal Investigator

    • Principal Investigator
      OHBA Takuya
    • Project Period (FY)
      1993 – 1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Physical properties of metals
    • Research Institution
      Teikyo University
  •  Research of the First Order Diffusionless Phase Transformations on Atomic and Microscopic Scales

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      1992 – 1993
    • Research Category
      Grant-in-Aid for international Scientific Research
    • Research Institution
      University of Tsukuba
  •  Crystallographic Study of Diffusion Phase Transformations for Martensites with Complex Structure

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      1991 – 1993
    • Research Category
      Grant-in-Aid for General Scientific Research (B)
    • Research Field
      Physical properties of metals
    • Research Institution
      University of Tsukuba
  •  Study of Nd-Fe-B Composite Crystal on IncommensurabilityPrincipal Investigator

    • Principal Investigator
      OHBA Takuya
    • Project Period (FY)
      1991 – 1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      結晶学
    • Research Institution
      Teikyo University, School of Science and Engineering
  •  高分解能電子顕微鏡による双晶境界構造の研究

    • Principal Investigator
      大塚 和弘
    • Project Period (FY)
      1990
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      結晶学
    • Research Institution
      University of Tsukuba
  •  Au-Cd合金におけるゴム弾性的挙動の軌道放射光による研究

    • Principal Investigator
      OTSUKA Kazuhiro
    • Project Period (FY)
      1989
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Physical properties of metals
    • Research Institution
      University of Tsukuba
  •  X-Ray Study of Structural Anomalies in 2D Layered Compounds

    • Principal Investigator
      OHSHIMA Ken-ichi
    • Project Period (FY)
      1989 – 1990
    • Research Category
      Grant-in-Aid for General Scientific Research (B)
    • Research Field
      固体物性
    • Research Institution
      University of Tsukuba
  •  Study on structural phase transition of alloys by mxvns of X-ray diffuse scattering

    • Principal Investigator
      KITANO Yasuyuki
    • Project Period (FY)
      1987 – 1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      結晶学
    • Research Institution
      HIROSHIMA UNIVERSITY

All 2006 2005

All Journal Article

  • [Journal Article] In-situ Observation of Martensitic Transformations in Ti_50Ni_34Cu_16 Alloy by Synchrotron Radiation2006

    • Author(s)
      T.Ohba
    • Journal Title

      Materials Science & Engineering A (In press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16560584
  • [Journal Article] In-situ Observations of Martensitic Transformation in Ti_<50>Ni_<34>Cu_<16> Alloy by Syncrotron Radiation2006

    • Author(s)
      T.Ohba, T.Taniwaki, H.Miyamoto, K.Otsuka
    • Journal Title

      Materials Science & Engineering A (In press)

    • Data Source
      KAKENHI-PROJECT-16560584
  • [Journal Article] In-situ Observation of Martensitic Transformation in Ti_<50>Ni_<34>Cu_<16> Alloy by Synchrotron Radiation2006

    • Author(s)
      T.Ohba
    • Journal Title

      Materials Science & Engineering A (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16560584
  • [Journal Article] Two-stag B2-B19-B19' martensitic transformation in a Ti_<50>Ni_<30>Cu_<20> alloy observed by synchrotron radition2005

    • Author(s)
      H.Miyamoto, T.Taniwaki, T.Ohba, K.Otsuka, S.Nishigori, K.Kato
    • Journal Title

      Scripta Materialia (In press)

    • Data Source
      KAKENHI-PROJECT-16560584
  • [Journal Article] Two-stage B2-B19-B19' martensitic transformation in a Ti_<50>Ni_<30>Cu_<20> alloy observed by synchrotron radiation2005

    • Author(s)
      H.Miyamoto, T.Taniwaki, T.Ohba, K.Otsuka, S.Nishigori, K.Kato
    • Journal Title

      Scripta Materialia 53

      Pages: 171-175

    • Data Source
      KAKENHI-PROJECT-16560584
  • 1.  OTSUKA Kazuhiro (50029881)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 3 results
  • 2.  HARA Toru (70238161)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 3.  NAKAMURA Shinichi (80217851)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 4.  ISHII Kiyoshi (30134258)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 5.  OHSHIMA Ken-ichi (70109271)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 6.  MIYAZAKI S. (50133038)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 7.  ODA K. (80177229)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  SUZUKI Tetsuro (70045988)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  SUMIYAMA Kenji (70101243)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  IRIE Akinobu (90241843)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  TAI Hideo (80029074)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  REN Xiaobing (50292529)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  MORITO Shigekazu (00301242)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  KITANO Yasuyuki (20033855)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  関根 久 (60246014)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  星埜 禎男 (40013453)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  小村 幸友 (40033774)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  WILKINS S.W.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  FINLAYSON T.R.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  DUNNE D.P.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  MORTON A.J.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  YAMANO Akito
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  徳本 〓
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  S W Wilkins
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  T R Finlayso
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  D P Denne
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  A J Morton
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  堀 俊彦
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  KIREEVA I.V.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  CHUMLYAKOV Y
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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