OHBA Takuya 大庭卓也

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

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

OHBA Takuya 大庭 卓也

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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

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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

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Low Temperature Equipment for Four Circle Diffractometer Developed by Using Small Closed-Cycle Integral Stirling EnginePrincipal Investigator

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Effect of B Concentration on the Composite Crystal Nd-Fe-BPrincipal Investigator

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Study of Nd-Fe-B Composite Crystal on IncommensurabilityPrincipal Investigator

OHBA Takuya 大庭卓也