OHGAKI Takeshi 大垣武

… Alternative Names

OGAKI Takeshi 大垣武

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Researcher Number	80408731
Other IDs
Affiliation (Current)	2025: 国立研究開発法人物質・材料研究機構, 電子・光機能材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help	2023: 国立研究開発法人物質・材料研究機構, 電子・光機能材料研究センター, 主任研究員 2020 – 2022: 国立研究開発法人物質・材料研究機構, 機能性材料研究拠点, 主任研究員 2016 – 2017: 国立研究開発法人物質・材料研究機構, 機能性材料研究拠点電気・電子機能分野電子セラミックスグループ, 主任研究員 2015: 国立研究開発法人物質・材料研究機構, 光・電子材料ユニット, 主任研究員 2014: 独立行政法人物質・材料研究機構, 光・電子材料ユニット, 主任研究員 … More 2013 – 2014: 独立行政法人物質・材料研究機構, その他部局等, その他 2012: 独立行政法人物質・材料研究機構, その他部局等, 研究員 2012: 独立行政法人物質・材料研究機構, 光・電子機能G, 主任研究員 2012: 独立行政法人物質・材料研究機構, 環境・エネルギー材料部門, 主任研究員 2007 – 2010: 独立行政法人物質・材料研究機構, センサ材料センター, 研究員 Less
Review Section/Research Field	Principal Investigator Basic Section 29020:Thin film/surface and interfacial physical properties-related / Thin film/Surface and interfacial physical properties / Inorganic materials/Physical properties Except Principal Investigator Environmental technology/Environmental materials / Inorganic materials/Physical properties / Applied materials science/Crystal engineering / Nanostructural science
Keywords	Principal Investigator 薄膜 / 窒化スカンジウム / 電気特性 / 分子線エピタキシー / 光・電気特性 / 非化学量論的化合物 / 光・電子特性 / ドーピング / 結晶構造 / 窒化ガリウム … More Except Principal Investigator … More 酸化物半導体 / 酸化亜鉛 / 光電子分光 / 自発分極 / 極性結晶 / 電子状態 / 極性表面 / 伝送線路 / 高周波デバイス / 酸化インジウム / 導波路 / マイクロ波 / ミリ波 / アンテナ / 高周波素子 / 透明導電体 / 高周波物性 / 透明導電性酸化物 / 表面構造 / 欠陥構造 / 半導体ウエファー / 固相拡散 / イオン注入 / 研磨 / 表面欠陥 / 単結晶ウエファー / エピタキシャル成長 / 圧電特性 / 精密研磨 / ウエファー / SIMS / 拡散 / 人工超格子 / 窒化物半導体 / フォノン / 同位体 Less

Control of optoelectronic properties of non-stoichiometric compounds ScN by impurity dopingPrincipal Investigator
- Principal Investigator
  
  OHGAKI Takeshi
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 29020:Thin film/surface and interfacial physical properties-related
- Research Institution
  National Institute for Materials Science
Carrier doping in ScN films with high electron mobilityPrincipal Investigator
- Principal Investigator
  
  Ohgaki Takeshi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Thin film/Surface and interfacial physical properties
- Research Institution
  National Institute for Materials Science
Synthesis of zinc-blende GaN films using a ScN layerPrincipal Investigator
- Principal Investigator
  
  OHGAKI Takeshi
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  National Institute for Materials Science
Charge separation of photo-excited electric charge carriers and its interaction with internal electric filed induced by crystalline polarity
- Principal Investigator
  
  OHASHI Naoki
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Environmental technology/Environmental materials
- Research Institution
  National Institute for Materials Science
Evaluation of high frequency properties of transparent zinc oxide thin films and their application
- Principal Investigator
  
  HANEDA Hajime
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  National Institute for Materials Science
Research on Physics and Chemistry of ZnO and its related alloy crystal wafers aiming to utilization of ZnO based devices
- Principal Investigator
  
  OHASHI Naoki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Applied materials science/Crystal engineering
- Research Institution
  National Institute for Materials Science
Synthesis of compound-semiconductor superlattice structures with isotopic modulation and their properties
- Principal Investigator
  
  HANEDA Hajime
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Nanostructural science
- Research Institution
  National Institute for Materials Science

All 2024 2022 2021 2018 2017 2016 2014 2013 2012 2011 2010 2009 2008 Other

All Journal Article Presentation Patent

[Journal Article] Heteroepitaxial growth and electric properties of (110)-oriented scandium nitride films2017
- Author(s)
  Ohgaki Takeshi、Sakaguchi Isao、Ohashi Naoki、Haneda Hajime
- Journal Title
  
  JOURNAL OF CRYSTAL GROWTH
  
  Volume: 476 Pages: 12-16
- DOI
  10.1016/j.jcrysgro.2017.08.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04684
[Journal Article] Electrical properties of scandium nitride epitaxial films grown on (100) magnesium oxide substrates by molecular beam epitaxy2013
- Author(s)
  Takeshi Ohgaki, Ken Watanabe, Yutaka Adachi, Isao Sakaguchi, Shunichi Hishita, Naoki Ohashi, Hajime Haneda
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 114 Issue: 9
- DOI
  10.1063/1.4820391
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820337
[Journal Article] Influence of substrate nitridation on GaN and InN growth by plasma-assisted molecular-beam epitaxy2012
- Author(s)
  Yao, Y., Sekiguchi, T., Ohgaki, T., Adachi, Y., Ohashi, N.
- Journal Title
  
  Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
  
  Volume: 120 (1407) Pages: 513-519
- NAID
  130004480114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23651081
[Journal Article] Polarity-dependent photoemission spectra of wurtzite-type zinc oxide2012
- Author(s)
  J. Williams, H. Yoshikawa, S. Ueda, Y. Yamashita, K. Kobayashi, Y. Adachi, H. Haneda, T. Oogaki, H. Miyazaki, Takamasa Ishigaki, N. Ohash
- Journal Title
  
  Appl. Phys. Lett
  
  Volume: 100 Issue: 5 Pages: 51902-51902
- DOI
  10.1063/1.3673553
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23560033, KAKENHI-PROJECT-23651081
[Journal Article] Effect of Post-Annealing on Structural and Optical Properties, and Elemental Distribution in Heavy Eu-Implanted ZnO Thin Films2010
- Author(s)
  I.Sakaguchi, T.Ohgaki, Y.Adachi, S.Hishita, N.Ohashi, H.Haneda
- Journal Title
  
  J.Ceram.Soc.Jpn. 118巻
  
  Pages: 1087-1089
- NAID
  130000420751
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Nitrogen isotopic effect in Ga15N epifilms grown by plasma-assisted molecular-beam epitaxy2010
- Author(s)
  YZ Yao, T. Ohgaki, N. Fukata, 他4名
- Journal Title
  
  Scripta Mater. 62
  
  Pages: 516-519
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Journal Article] Correlation Between Film Thickness and Zinc Defect Distribution along the Growth Direction in an Isotopic Multilayer ZnO Thin Film Grown By Pulsed Laser Deposition Analyzed Using the Internal Diffusion Method2010
- Author(s)
  K.Matsumoto, Y.Adachi, T.Ohgaki, N.Ohashi, H.Haneda, I.Sakaguchi
- Journal Title
  
  Solid State Commun. 150巻
  
  Pages: 43-44
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Correlation Between Film Thickness and Zinc Defect Distribution along the Growth Direction in An Isotopic Multilayer ZnO Thin Film Grown By Pulsed Laser Deposition Analyzed Using The Internal Diffusion Method2010
- Author(s)
  K.Matsumoto, Y.Adachi, T.Ohgaki, N.Ohashi, H.Haneda, I.Sakaguchi
- Journal Title
  
  Solid State Commun.
  
  Volume: 150 Pages: 43-44
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Oxygen Tracer Diffusion in Magnesium-doped ZnO Ceramics2010
- Author(s)
  I.Sakaguch, K.Matsumoto, T.Ohgaki, Y.Adachi, K.Watanabe, N.Ohashi, H.Haneda
- Journal Title
  
  J.Ceram.Soc.Jpn 118巻
  
  Pages: 362-365
- NAID
  130000304748
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Effect of Post-Annealing on Structural and Optical Properties, and Elemental Distribution in Heavy Eu-Implanted ZnO Thin Films2010
- Author(s)
  I.Sakaguchi, T.Ohgaki, Y.Adachi, S.Hishita, N.Ohashi, H.Haneda
- Journal Title
  
  J.Ceram.Soc.Jpn.
  
  Volume: 118 Pages: 1087-1089
- NAID
  130000420751
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Oxygen Tracer Diffusion in Magnesium-doped ZnO Ceramics2010
- Author(s)
  I.Sakaguch, K.Matsumoto, T.Ohgaki, Y.Adachi, K.Watanabe, N.Ohashi, H.Haneda
- Journal Title
  
  J.Ceram.Soc.Jpn
  
  Volume: 118 Pages: 362-365
- NAID
  130000304748
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Development of ZnO-based surface plasmon resonance gas sensor and analysis of UV irradiation effect on NO_2 desorption from ZnO thin films2010
- Author(s)
  K.Watanabe, K.Matsumoto, T.Ohgaki, I.Sakaguchi, N.Ohashi, S.Hishita, H.Haneda
- Journal Title
  
  JOURNAL OF THE CERAMIC SOCIETY OF JAPAN 118
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Ion Implantation and Diffusion Behavior of Silver in Zinc Oxide2010
- Author(s)
  I.Sakaguchi, K.Watanabe, T.Ohgaki, T.Nakagawa, S.Hishita, Y.Adachi, N.Ohashi, H.Haneda
- Journal Title
  
  J Ceram.Soc.Jpn 118巻
  
  Pages: 217-219
- NAID
  130000304716
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] High-pressure phase transitions in BiMO_3(M=Al, Ga, and In) : In situ x-ray diffraction and Raman scattering experiments2009
- Author(s)
  T.Ohgaki, et al.
- Journal Title
  
  Physical Review B 80
  
  Pages: 214103-214103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Journal Article] Oxygen diffusion in zinc-oxide thin films prepared by pulsed-laser deposition2009
- Author(s)
  K. Matsumoto, Y. Adachi, T. Ohgaki, 他3名
- Journal Title
  
  J. Ceram. Soc. Jpn. 117
  
  Pages: 666-670
- NAID
  10025967877
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Journal Article] Interface structure and polarity of GaN/ZnO heterostructure2009
- Author(s)
  T. Ohgaki
- Journal Title
  
  J. Ceram. Soc. Jpn. 117
  
  Pages: 475-481
- NAID
  10025967123
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Journal Article] Interface structure and Polarity of GaN/ZnO heterostructure2009
- Author(s)
  T.Ohgaki, et al.
- Journal Title
  
  Journal of Ceramics Society of Japan 117
  
  Pages: 475-481
- NAID
  10025967123
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Journal Article] Synthesis and Characterization of ZnO/Glass/ZnO Structures Showing Highly Nonlinear Current-Voltage Characteristics2009
- Author(s)
  N.Ohashi, K.Kataoka, T.Ohgaki, I.Sakaguchi, H.Haneda
- Journal Title
  
  MATERIALS TRANSACTIONS 50
  
  Pages: 1060-1066
- NAID
  10024814653
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Positive Hall Coefficients Obtained from Contact Misplacement on Evident n-Type ZnO Films and Crystals2008
- Author(s)
  T.Ohgaki, N.Ohashi, S.Sugimura, H.Ryoken, I.Sakaguchi, Y.Adachi, H.Haneda
- Journal Title
  
  J.Mater.Res. 23巻
  
  Pages: 2293-2295
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Positive Hall coefficients obtained from contact misplacement on evident n-type ZnO films and crystals2008
- Author(s)
  大垣武
- Journal Title
  
  JOURNAL OF MATERIALS RESEARCH 23
  
  Pages: 2293-2295
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20246007
[Journal Article] Positive Hall coefficients obtained from contact misplacement on evident n-type ZnO films and crystals2008
- Author(s)
  T. Ohgaki, et al.
- Journal Title
  
  J. Mater. Res. 23
  
  Pages: 2293-2295
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19201019
[Patent] 酸化亜鉛単結晶ウエファーの製造法2010
- Inventor(s)
  大橋直樹,羽田肇,大垣武,佐藤充,前田克己,杉村茂昭
- Industrial Property Rights Holder
  独)物質・材料研究機構,東京電波株式会社
- Acquisition Date
  2010-10-22
- Data Source
  KAKENHI-PROJECT-20246007
[Patent] ウルツ鉱型III-V族窒化物薄膜結晶の製造法2009
- Inventor(s)
  大橋直樹,羽田肇,大垣武,佐藤充,前田克己,杉村茂昭
- Industrial Property Rights Holder
  独)物質・材料研究機構,東京電波株式会社
- Acquisition Date
  2009-11-27
- Data Source
  KAKENHI-PROJECT-20246007
[Patent] 非晶質基材2008
- Inventor(s)
  安達裕,大垣武,坂口勲,大橋直樹
- Industrial Property Rights Holder
  独)物質・材料研究機構
- Patent Publication Number
  2010-050342
- Filing Date
  2008-08-22
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] MBE法で作製したScN薄膜の非化学量論的組成と電気特性2024
- Author(s)
  大垣武・坂口勲・大橋直樹
- Organizer
  2024年第71回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-20K05335
[Presentation] MBE法によるGaN/ScNヘテロ構造の作製2022
- Author(s)
  大垣武・坂口勲・大橋直樹
- Organizer
  日本セラミックス協会　2022年年会
- Data Source
  KAKENHI-PROJECT-20K05335
[Presentation] MBE法により成長させたScN薄膜へのプラズマ照射の影響2021
- Author(s)
  大垣武、坂口勲、大橋直樹
- Organizer
  日本セラミックス協会　2021年年会
- Data Source
  KAKENHI-PROJECT-20K05335
[Presentation] サファイアr面上に成長したScN薄膜の構造と電子移動度2018
- Author(s)
  大垣　武、坂口　勲、大橋　直樹、羽田　肇
- Organizer
  第65回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] サファイアr面基板上へのScN薄膜のヘテロエピタキシャル成長2017
- Author(s)
  大垣武、坂口勲、大橋直樹、羽田肇
- Organizer
  第64回応用物理学会春季学術講演会
- Place of Presentation
  パシフィコ横浜　（神奈川県・横浜市）
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] Heteroepitaxial growth and electric properties of (110)-oriented scandium nitride films2017
- Author(s)
  Ohgaki Takeshi、Sakaguchi Isao、Ohashi Naoki、Haneda Hajime
- Organizer
  STAC-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] Molecular beam epitaxy growth of (100)-oriented ScN films2017
- Author(s)
  Ohgaki Takeshi、Sakaguchi Isao、Ohashi Naoki、Haneda Hajime
- Organizer
  2017 E-MRS Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] MBE Growth of Scandium Nitride Films on M-face Sapphire Substrates2016
- Author(s)
  Takeshi Ohgaki, Isao Sakaguchi, Naoki Ohashi, Hajime Haneda
- Organizer
  The 10th Asian Meeting on Electroceramics
- Place of Presentation
  Taipei (Taiwan)
- Year and Date
  2016-12-04
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] (100)配向ScN薄膜の光・電気特性2016
- Author(s)
  大垣武、坂口勲、大橋直樹、羽田肇
- Organizer
  第63回応用物理学会春季学術講演会
- Place of Presentation
  東京工業大学大岡山キャンパス　（東京都目黒区）
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K04684
[Presentation] サファイア基板上へのScN薄膜のヘテロ成長とその電気特性2014
- Author(s)
  大垣武, 渡邉賢, 坂口勲, 大橋直樹, 羽田肇
- Organizer
  2014年第61回応用物理学会春季学術講演会
- Place of Presentation
  青山学院大学相模原キャンパス, 相模原市
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] Growth condition dependence of electric properties of ScN films on (100) MgO substrates prepared by molecular beam epitaxy2013
- Author(s)
  Takeshi Ohgaki, Ken Watanabe, Yutaka Adachi, Isao Sakaguchi, Shunichi Hishita, Naoki Ohashi, Hajime Haneda
- Organizer
  17th International Conference on Crystal Growth and Epitaxy
- Place of Presentation
  University of Warsaw, Poland
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] MBE法により作製したScN薄膜の電気特性2013
- Author(s)
  大垣武, 渡邉賢, 坂口勲, 大橋直樹, 羽田肇
- Organizer
  2013年第74回応用物理学会秋季学術講演会
- Place of Presentation
  同志社大学京田辺キャンパス, 田辺市
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] MBE法によるサファイア基板上へのScN薄膜のヘテロエピタキシャル成長2013
- Author(s)
  大垣武, 渡邉賢, 坂口勲, 菱田俊一, 大橋直樹, 羽田肇
- Organizer
  第33回エレクトロセラミックス研究討論会
- Place of Presentation
  文部科学省研究交流センター, つくば市
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] Molecular Beam Epitaxial Growth of ScN Films on Sapphire Substrates2013
- Author(s)
  Takeshi Ohgaki, Ken Watanabe, Yutaka Adachi, Isao Sakaguchi, Shunichi Hishita, Naoki Ohashi, Hajime Haneda
- Organizer
  7th International Conference on the Science and Technology for Advance Ceramics
- Place of Presentation
  Mielparque-Yokohama, Japan
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] MBE法によるサファイアr面基板上への窒化スカンジウム薄膜の作製2012
- Author(s)
  大垣武, 安達裕, 坂口勲, 菱田俊一, 大橋直樹, 羽田肇
- Organizer
  日本セラミックス協会第25回秋季シンポジウム
- Place of Presentation
  名古屋市
- Year and Date
  2012-09-20
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] ワイドギャップ材料の探索とその特性評価2012
- Author(s)
  大橋直樹, 島村清史, 谷口孝志, 渡邊賢司, 坂口勲, 大垣武, 菱田俊一, 北村健二, 羽田肇
- Organizer
  学術振興第166委員会研究会
- Place of Presentation
  東京都
- Year and Date
  2012-04-27
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] Defects and charge compensation in wide bandgap semiconductors2012
- Author(s)
  OHASHI Naoki, SAKAGUCHI Isao, WATANABE Ken, ADACHI Yutaka, TAKESHI OGAKI, HISHITA Shunichi, MIYAZAKI Hiroki, Jesse Willia, ISHIGAKI Takamasa
- Organizer
  Solid State Chemistry 2012 (Invited)
- Place of Presentation
  University of Pardubice, Pardubice,チェコ
- Data Source
  KAKENHI-PROJECT-23651081
[Presentation] Defects and charge compensation in wide bandgap semiconductors2012
- Author(s)
  N. Ohashi, I. Sakaguchi, K. Watanabe, Y. Adachi, T. Ohgaki, S. Hishita, H. Miyazaki, T. Ishigaki, H. Haneda
- Organizer
  Solid State Chemistry 2012
- Place of Presentation
  Pardubice, Czech
- Invited
- Data Source
  KAKENHI-PROJECT-23651081
[Presentation] ウルツ鉱型半導体薄膜の極性判定とその制御2011
- Author(s)
  大橋直樹, Jesse Williams, 安達裕, 吉川英樹, 山下良之, 上田茂典, 大垣武, 坂口勲, 菱田俊一, 小林啓介
- Organizer
  日本金属学会2011年度秋期講演大会
- Place of Presentation
  沖縄コンベンションセンターおよびカルチャーリゾートフェストーネ,宜野湾
- Data Source
  KAKENHI-PROJECT-23651081
[Presentation] Charge Compensation in Oxide Semiconductors2010
- Author(s)
  大橋直樹, 安達裕, 坂口勲, B.Li, J.Li, J.Williams, K.Matsumoto, T.Ohgaki, S.Ueda, H.Yoshikawa, K.Kobayashi, H.Okushi, J.Chen, T.Sekiguchi, H.Haneda
- Organizer
  International Symposium On Compound Semiconductor 2010
- Place of Presentation
  高松
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] ルツ鉱型ワイドギャンプ半導体中の欠陥の挙動2010
- Author(s)
  N.Ohashi, I.Sakaguchi, Y.Adachi, T.Ohgaki, H.Haneda
- Organizer
  励起ナノプロセス研究会第6回研究会
- Place of Presentation
  障害者会館・堺市(大阪府)
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] Precipitations of ZnO particles from solutions and their chemical sensing properties2010
- Author(s)
  H.Haneda, K.Watanabe, K. Matsumoto, N. Saito(Shinjo), T.Ohgaki, Y.Moriura, I.Sakaguchi, Y.Adachi, N.Ohashi
- Organizer
  2010 MRS Spring Meeting
- Place of Presentation
  San Fransico USA
- Year and Date
  2010-04-09
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] Nitrogen diffusion in AlN thin films deposited by a MBE method2010
- Author(s)
  H.Haneda, T.Ohgaki, T.Ogino, K.Watanabe, I.Sakaguchi, N.Ohashi
- Organizer
  STAC-4
- Place of Presentation
  Tokohama Japan
- Year and Date
  2010-06-23
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] Charge Compensation In Oxide Semiconductors2010
- Author(s)
  N.Ohashi, Y.Adachi, I.Sakaguchi, B.Li, J.Li, J.Williams, K.Matsumoto, T.Ohgaki, S.Ueda, H.Yoshikawa, K.Kobayashi, H.Okushi, J.Chen, T.Sekiguchi, H.Haneda
- Organizer
  International Symposium On Compound Semiconductor 2010
- Place of Presentation
  高松国際会議場・高松市(香川県)
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] Self -Diffusion properties in ZnO thin films deposited by PLD Method2010
- Author(s)
  H.Haneda, I.Sakaguchi, K.Matsumoto, T.Ogino, S.Hishita, Y.Adachi, T.Ohgaki, N.Ohashi
- Organizer
  The 27th International Korea-Japan Seminar on ceramics
- Year and Date
  2010-11-24
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] Diffusion behavior in thin film with wurtzite crystal structure2010
- Author(s)
  H.Haneda, N.Ohashi, I.Sakaguchi, Y.Adachi, T.Ohgaki, K.Matsumoto
- Organizer
  Electroceramics XII
- Place of Presentation
  Trondheim Norway
- Year and Date
  2010-06-15
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] ルツ鉱型ワイドギャップ半導体中の欠陥の挙動2010
- Author(s)
  大橋直樹, 坂口勲, Y.Adachi, T.Ohgaki, H.Haneda
- Organizer
  励起ナノプロセス研究会第6回研究会
- Place of Presentation
  堺
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] MBE法による窒化スカンジウム薄膜の作製2010
- Author(s)
  大垣武
- Organizer
  日本セラミックス協会2010年年会
- Place of Presentation
  東京農工大学、小金井市
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Diffusion Phenomena in ZnO Thin Films Deposited by PLD Method2010
- Author(s)
  H.Haneda, I.Sakaguchi, K.Matsumoto, T.Ogino, S.Hishita, Y.Adachi, T.Ohgaki, N.Ohashi
- Organizer
  International Congress on ceramics(ICC3)
- Place of Presentation
  Osaka Japan
- Year and Date
  2010-11-18
- Data Source
  KAKENHI-PROJECT-22360277
[Presentation] Molecular beam epitaxy growth of Al^<14>N/Al^<15>N isotope superlattices2009
- Author(s)
  T.Ohgaki
- Organizer
  The 26th International Japan-Korea Seminar on Ceramics
- Place of Presentation
  Tsukuba International Congress Center, Tsukuba, Japan
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Al^<14>N/Al^<15>N同位体人工超格子のラマンスペクトル2009
- Author(s)
  大垣武
- Organizer
  日本セラミックス協会第22回秋季シンポジウム
- Place of Presentation
  愛媛大学、松山市
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Defects in Wide Band Gap Semiconductors2008
- Author(s)
  N.Ohashi, I.Sakaguchi, Y.Adachi,, Y.Wada, T.Ohgaki, S.Ueda, H.Yoshikawa, T.Osawa, K.Matsumoto, K.Kobayashi, H.Haneda
- Organizer
  2nd Intl.Conf.Sci.Tech.Adv.Ceramics
- Place of Presentation
  幕張
- Data Source
  KAKENHI-PROJECT-20246007
[Presentation] Siとの接合を利用した酸化物半導体材料の局在準位の評価2008
- Author(s)
  大垣武
- Organizer
  2008年春季第55回応用物理学関係連合講演会
- Place of Presentation
  日本大学
- Year and Date
  2008-03-28
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] MBE法によるAl^<14>N/Al^<15>N同位体超格子の作製2008
- Author(s)
  大垣武
- Organizer
  日本セラミックス協会第21回秋季シンポジウム
- Place of Presentation
  北九州国際会議場,福岡県
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Synthesis of Al14N and Al15N Films by Molecular Beam Epitaxy2008
- Author(s)
  T. Ohgaki
- Organizer
  The 6th Asian Meeting on Electroceramics
- Place of Presentation
  NIMS and Tsukuba Center for Institutes, Japan
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Synthesis of Al^<14>N and Al^<15>N Films by Molecular Beam Epitaxy2008
- Author(s)
  T. Ohgaki
- Organizer
  The 6th Asian Meeting on Electroceramics
- Place of Presentation
  NIMS and Tsukuba Center for Institutes, Japan
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] Synthesis of high crystalline InN/ZnO heterostructure by insertion of interface nanostructure2008
- Author(s)
  T. Ohgaki
- Organizer
  INC4, Nanotech in Japan
- Place of Presentation
  Hitotsubashi Memorial Hall, Japan
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] 窒素同位体を用いたAIN薄膜の作製2008
- Author(s)
  大垣武
- Organizer
  日本セラミックス協会2008年年会
- Place of Presentation
  長岡技術科学大学
- Year and Date
  2008-03-21
- Data Source
  KAKENHI-PROJECT-19201019
[Presentation] MBE法で作製したScN薄膜の光・電気特性におけるSc/N比の影響
- Author(s)
  大垣武, 坂口勲, 大橋直樹, 羽田肇
- Organizer
  日本セラミックス協会　第27回秋季シンポジウム
- Place of Presentation
  鹿児島大学郡元キャンパス, 鹿児島市
- Year and Date
  2014-09-09 – 2014-09-11
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] Heteroepitaxial growth and electric properties of scandium nitride films on m-face sapphire substrates
- Author(s)
  Takeshi Ohgaki, Ken Watanabe, Isao Sakaguchi, Shunichi Hishita, Naoki Ohashi, Hajime Haneda
- Organizer
  E-MRS 2014 SPRING MEETING
- Place of Presentation
  Congress Center, Lille, France
- Year and Date
  2014-05-26 – 2014-05-30
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] Heteroepitaxial growth of scandium nitride films on m-face sapphire substrates
- Author(s)
  Takeshi Ohgaki, Ken Watanabe, Isao Sakaguchi, Shunichi Hishita, Naoki Ohashi, Hajime Haneda
- Organizer
  The 8th International Conference on the Science and Technolog
- Place of Presentation
  Mielparque-Yokohama, Yokohama, Japan
- Year and Date
  2014-06-25 – 2014-06-27
- Data Source
  KAKENHI-PROJECT-25820337
[Presentation] MBE法で作製したScN薄膜のⅢ/Ⅴフラックス比依存性
- Author(s)
  大垣武, 坂口勲, 大橋直樹, 羽田肇
- Organizer
  第62回応用物理学会春季学術講演会
- Place of Presentation
  東海大学湘南キャンパス, 平塚市
- Year and Date
  2015-03-11 – 2015-03-14
- Data Source
  KAKENHI-PROJECT-25820337

1. HANEDA Hajime (70354420)

# of Collaborated Projects: 4 results

# of Collaborated Products: 23 results
2. OHASHI Naoki (60251617)

# of Collaborated Projects: 4 results

# of Collaborated Products: 26 results
3. SAKAGUCHI Isao (20343866)

# of Collaborated Projects: 4 results

# of Collaborated Products: 23 results
4. ADACHI Yutaka (30354418)

# of Collaborated Projects: 4 results

# of Collaborated Products: 23 results
5. HISHITA Shunichi (40354419)

# of Collaborated Projects: 3 results

# of Collaborated Products: 7 results
6. SAITO Noriko (20354417)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
7. WADA Yoshiki (90343847)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
8. YUSA Hitoshi (10343865)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. ISHIOKA Kunie (30343883)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. KITAJIMA Masahiro (00343830)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. ISHIGAKI Takamasa (40343842)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. YOSHIKAWA Hideki (20354409)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
13. UEDA Shigenori (20360505)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
14. 山下良之

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OHGAKI Takeshi 大垣 武

OGAKI Takeshi 大垣 武

Research Projects

Research Products

Co-Researchers

Control of optoelectronic properties of non-stoichiometric compounds ScN by impurity dopingPrincipal Investigator

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Carrier doping in ScN films with high electron mobilityPrincipal Investigator

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Synthesis of zinc-blende GaN films using a ScN layerPrincipal Investigator

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Charge separation of photo-excited electric charge carriers and its interaction with internal electric filed induced by crystalline polarity

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Evaluation of high frequency properties of transparent zinc oxide thin films and their application

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Research on Physics and Chemistry of ZnO and its related alloy crystal wafers aiming to utilization of ZnO based devices

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Synthesis of compound-semiconductor superlattice structures with isotopic modulation and their properties

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[Journal Article] Heteroepitaxial growth and electric properties of (110)-oriented scandium nitride films2017

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[Journal Article] Electrical properties of scandium nitride epitaxial films grown on (100) magnesium oxide substrates by molecular beam epitaxy2013

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DOI

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[Journal Article] Influence of substrate nitridation on GaN and InN growth by plasma-assisted molecular-beam epitaxy2012

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NAID

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[Journal Article] Polarity-dependent photoemission spectra of wurtzite-type zinc oxide2012

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DOI

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[Journal Article] Effect of Post-Annealing on Structural and Optical Properties, and Elemental Distribution in Heavy Eu-Implanted ZnO Thin Films2010

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NAID

Data Source

[Journal Article] Nitrogen isotopic effect in Ga15N epifilms grown by plasma-assisted molecular-beam epitaxy2010

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[Journal Article] Correlation Between Film Thickness and Zinc Defect Distribution along the Growth Direction in an Isotopic Multilayer ZnO Thin Film Grown By Pulsed Laser Deposition Analyzed Using the Internal Diffusion Method2010

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OHGAKI Takeshi 大垣武

OGAKI Takeshi 大垣武