Umezawa Hitoshi 梅沢仁

… Alternative Names

梅沢仁ウメザワヒトシ

梅澤仁ウメザワヒトシ

UMEZAWA Hitoshi 梅沢仁

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Researcher Number	80329135
Other IDs	https://orcid.org/0000-0002-0838-4497
External Links
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, エネルギー・環境領域, 上級主任研究員
Affiliation (based on the past Project Information) *help	2015: 国立研究開発法人産業技術総合研究所, 先進パワーエレクトロニクス研究センター, 主任研究員 2015: 国立研究開発法人産業技術総合研究所, 先進パワーエレクトロニクスセンター, 主任研究員 2014: 独立行政法人産業技術総合研究所, 先進パワーエレクトロニクス研究センター, 主任研究員 2013 – 2014: 独立行政法人産業技術総合研究所, ユビキタスエネルギー研究部門, 主任研究員 2012: 独立行政法人産業技術総合研究所, ダイヤモンド研究ラボ, 主任研究員 … More 2007: National Institute of Advanced Industrial Science and Technology, ダイヤモンド研究センター, 研究員 2005 – 2006: 独立行政法人産業技術総合研究所, ダイヤモンド研究センター, 研究員 2005: (独)産業技術総合研究所, ダイヤモンド研究センター, 研究員 2005: National Institute of Advanced Industrial Science and Technology, Diamond Research Center, Device R&D Team, Reseach Scientist, ダイヤモンド研究センター, 研究員 2002: 早稲田大, 助手 Less
Review Section/Research Field	Principal Investigator Power engineering/Power conversion/Electric machinery / Electron device/Electronic equipment / Electronic materials/Electric materials Except Principal Investigator Electron device/Electronic equipment / Electronic materials/Electric materials
Keywords	Principal Investigator 電界効果型トランジスタ / 高温動作 / ダイヤモンド / 低損失 / トランジスタ / 半導体デバイス / エピタキシャル成長 / 寄生抵抗成分 / ブレークダウン電圧 / ディープディプレション型 … More / 低抵抗コンタクト / FET / パワーデバイス / 先端機能デバイス / 表面・界面物性 / 半導体物性 / 電子デバイス・機器 / 高配向多結晶基板 / 電流密度 / 最大発振周波数 / 遮断周波数 / 高周波トランジスタ … More Except Principal Investigator ダイヤモンド / submicron lithography / Al_2O_3 insulator film / boron doped diamond / focused ion beam / field-effect transistor / RF power transistor / H-terminated surface accumulated layer / diamond / 水素終端表面伝導層 / 最大発振周波数 / MISFET / 低抵抗オーミック領域 / ナノスケール表面修飾 / 遮断周波数 / 電界効果型トランジスタ / 微細プロセス技術 / Al_2O_3絶縁膜 / ボロンドープダイヤモンド / 収束イオンビーム / 電界効果トランジスタ / 高周波パワートランジスタ / 水素終端表面蓄積層 / パワーデバイス / 省エネルギー Less

Low dislocation diamond wafer for power device
- Principal Investigator
  
  Shikata Shinichi
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Kwansei Gakuin University
  National Institute of Advanced Industrial Science and Technology
Researches of high temperature power switching devices on high quality semiconductor diamondPrincipal Investigator
- Principal Investigator
  
  Umezawa Hitoshi
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Power engineering/Power conversion/Electric machinery
- Research Institution
  National Institute of Advanced Industrial Science and Technology
半導体ダイヤモンドを用いた超高出力RF増幅およびスウィッチングデバイスの開発Principal Investigator
- Principal Investigator
  
  梅沢仁 (梅澤仁)
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  National Institute of Advanced Industrial Science and Technology
ダイヤモンド薄膜表面の導電性制御によるハイパワー高周波トランジスタの開発
- Principal Investigator
  
  KAWARADA Hiroshi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Waseda University
ダイヤモンドの表面ナノ制御による量子デバイス、バイオチップ・センサ応用の研究Principal Investigator
- Principal Investigator
  
  梅沢仁
- Project Period (FY)
  2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Waseda University

All 2016 2015 2014 2013 2012 2007 2006 2005 2004 2003 Other

All Journal Article Presentation

[Journal Article] ショットキーダイオードとMESFET2016
- Author(s)
  梅沢仁
- Journal Title
  
  New Diamond
  
  Volume: 121 Pages: 10-12
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24360113
[Journal Article] X-ray Topographic Study of a Homoepitaxial Diamond Layer on an Ultraviolet-irradiated Precision Polished Substrate2014
- Author(s)
  Y.Kato, H.Umezawa and S.Shikata
- Journal Title
  
  Acta physica polonica A
  
  Volume: 125 Pages: 969-971
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25249036
[Journal Article] Effect of an Ultraflat Substrate on the Epitaxial Growth of Chemical-Vapor-Deposited Diamond2014
- Author(s)
  Y.Kato, H.Umezawa and S.Shikata
- Journal Title
  
  Photon Factory Activity Report, PartA
  
  Volume: 30 Pages: 66-67
- NAID
  10031152708
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25249036
[Journal Article] Diamond Schottky barrier diode for high temperature, high power and fast switching applications2014
- Author(s)
  H. Umezawa, S. Shikata, T. Funaki
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 53
- NAID
  210000143883
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24360113
[Journal Article] Leakage current analysis of diamond Schottky barrier diodes operated at high temperature2014
- Author(s)
  H. Umezawa, S. Shikata,
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 53
- NAID
  210000143696
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24360113
[Journal Article] Diamond Schottky barrier diode for high-temperature, high-power, and fast switching applications2014
- Author(s)
  H.Umezawa, S.Shikata, and T.Funaki
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 53 Issue: 5S1 Pages: 05FP06-05FP06
- DOI
  10.7567/jjap.53.05fp06
- NAID
  210000143883
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25249036
[Journal Article] Diamond metal-semiconductor field-effect transistor with breakdown voltage over 1.5 k2014
- Author(s)
  H. Umezawa, T. Matsumoto, S. Shikata
- Journal Title
  
  IEEE Electron Device Letters
  
  Volume: 35 Pages: 1112-1114
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24360113
[Journal Article] Characterization of free-standing single-crystal diamond prepared by hot-filament chemical vapor deposition2014
- Author(s)
  S.Ohmagari, H.Yamada, H.Umezawa,A.Chayahara,T.Teraji and S.Shikata
- Journal Title
  
  Diamond and Related Materials
  
  Volume: 48 Pages: 19-23
- DOI
  10.1016/j.diamond.2014.06.001
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25249036, KAKENHI-PROJECT-25820129
[Journal Article] Leakage current analysis of diamond Schottky barrier diodes by defect imaging2013
- Author(s)
  H. Umezawa, N. Tatsumi, Y. Kato and S. Shikata
- Journal Title
  
  Diamond and Related Materials
  
  Volume: 40 Pages: 56-59
- DOI
  10.1016/j.diamond.2013.09.011
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360113, KAKENHI-PROJECT-25249036, KAKENHI-PROJECT-25820128
[Journal Article] 1 Ω On-Resistance Diamond Vertical-Schottky Barrier Diode Operated at 250°C2013
- Author(s)
  H. Umezawa, et al.,
- Journal Title
  
  Applied Physics Express
  
  Volume: 6 Issue: 1 Pages: 11302-11302
- DOI
  10.7567/apex.6.011302
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360113
[Journal Article] Surface roughening of diamond (001) films during homoepitaxial growth in heavy boron doping2007
- Author(s)
  N.Tokuda, H.Umezawa et al.
- Journal Title
  
  Diamond Relat. Mater. 16 (4-7)
  
  Pages: 767-770
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Microwave Opertation of Diamond Metal-Isulator-Semiconductor Field-Effect Transistors Fabricated on Single-Crystal CVD Substrate2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Journal Title
  
  New Diam. Front. Carbon Tech 17
  
  Pages: 201-209
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Miniaturized diamond field-effect transistors for application in biosensors in electrolyte solution2007
- Author(s)
  K.S.Song, H.Umezawa et al.
- Journal Title
  
  Appl. Phys. Lett. 90
  
  Pages: 63901-63901
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Hillock free heavily boron-doped homoepitaxial diamond films on misoriented (001) substrates2007
- Author(s)
  N.Tokuda, H.Umezawa et al.
- Journal Title
  
  Jpn. J. Appl. Phys. 46 (4A)
  
  Pages: 1469-1470
- NAID
  10018900560
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Growth of Heavily Boron-Doped Polycrystalline Superonductiving Diamond2007
- Author(s)
  梅沢仁、川原田洋, 他
- Journal Title
  
  NEW DIAMOND AND FRONTIER CARBON TESHBOLOGY 17
  
  Pages: 1-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Leakage current analysis of diamond Schottky barrier diode.2007
- Author(s)
  H.Umezawa, et al.
- Journal Title
  
  Appl. Phys. Lett. 90
  
  Pages: 73506-73506
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Surface roughening of dianmond(001) films during homoepitaxial growth in heavy boron doping2007
- Author(s)
  N. Tokuda, H. Umezawa, et. al.
- Journal Title
  
  Diam. relat. mater 16
  
  Pages: 767-771
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Diamond MISFETs fabricated on high quality polycrystalline CVD diamond2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Journal Title
  
  Tech. Dig. IEEE ISPSD 2007 19
  
  Pages: 269-272
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] High-performance p-channel diamond MOSFETs with alimina gate insulator2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Journal Title
  
  International Electron Devices Metting Metting 2007 Technical Digest 2007
  
  Pages: 873-876
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Superconducting properties of homoepitaxial CVD diamond2007
- Author(s)
  Y. Takano, H.Umezawa, et. al.
- Journal Title
  
  Diam. Relat. Mater 16
  
  Pages: 911-914
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] 70 nm Channel Diamond MISFET and Suppression of Short Channel Effect2006
- Author(s)
  H.Umezawa, T.Arima, S.Miyamoto, H.Matsudaira, H.Kawarada
- Journal Title
  
  IEEE Elect.Device Lett. 27(in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of diamond metal-insulator-semiconductor field-effect transistors with aluminum oxide gate insulator2006
- Author(s)
  K.Hirama, H.Umezawa et al.
- Journal Title
  
  Appl.Phys.Lett. 88(11)
  
  Pages: 112117-112117
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Characterization of diamond metal-insulator-semiconductor field-effect transistors with aluminum oxide sate insulator2006
- Author(s)
  K.Hirama, S.Miyamoto, H.Matsudaira, K.Yamada, H.Kawarada, T.Chikyo, H.Koinuma, K.Hasegawa, H.Umezawa
- Journal Title
  
  Appl.Phys.Lett. 88
  
  Pages: 112117-112117
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Fabrication of T-shaped gate diamond Metal-Insulator-Semiconductor Field-Effect Transistors2006
- Author(s)
  K.Hirama, S.Miyamoto, H.Matsudaira, H.Umezawa, H.Kawarada
- Journal Title
  
  Jpn. J. Appl. Phys. (Accepted)
- NAID
  10017999474
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Advantage on Supercondutivity of Heavily Boron-Doped (111) Diamond Films2006
- Author(s)
  H.Umezawa, T.Takenouchi, Y.Takano, K.Kobayashi, M.Nagao, I.Sakaguchi, M.Tachiki, T.Hatano, G.Zhong, M.Tachiki, H.Kawarada
- Journal Title
  
  Phys.Rev.B 73(in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of diamond metal-insulator-semiconductor field-effect transistors with aluminum oxide gate insulator2006
- Author(s)
  K.Hirama, S.Miyamoto, H.Matsudaira, K.Yamada, H.Kawarada, T.Chikyo, H.Koinuma, K.Hasegawa, H.Umezawa
- Journal Title
  
  Appl. Phys. Lett. 88
  
  Pages: 112-117
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of Leakage Current on Diamond Schottky Barrier Diode using Thermionic-field emission modeling.2006
- Author(s)
  H.Umezawa, et al.
- Journal Title
  
  Diamond Relat. Mater. 15(11-12)
  
  Pages: 1949-1953
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Diamond MISFETs for High Frequency Applications2006
- Author(s)
  H.Umezawa, K.Hirama, T.Arai, H.Hata, H.Takayanagi, T.Koshiba, K.Yohara, S.Mejima, M.Satoh, K.Kawarada
- Journal Title
  
  Jpn.J.Appl.Phys. 45(in press)
- NAID
  10022538412
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] 70 nm Channel Diamond MISFET and Suppression of Short Channel Effect2006
- Author(s)
  H.Umezawa, T.Arima, S.Miyamoto, H.Matsudaira, H.Kawarada
- Journal Title
  
  IEEE Elect.Device Lett 27(in press)
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Fabrication of T-shaped gate diamond Metal-Insulator-Semiconductor Field-Effect Transistors2006
- Author(s)
  K.Hirama, H.Umezawa et al.
- Journal Title
  
  Jpn. J. Appl. Phys. 45 (7)
  
  Pages: 5681-5684
- NAID
  10017999474
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Advantage on Supercondutivity of Heavily Boron-Doped (III)Diamond Films2006
- Author(s)
  H.Umezawa, T.Takenouchi, Y.Takano, K.Kobayashi, M.Nagao, I.Sakaguchi, M.Tachiki, T.Hatano, G.Zhong, M.Tachiki, H.Kawarada
- Journal Title
  
  Phys. Rev. B 73 (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] 70 nm Channel Diamond MISFET and Suppression of Short Channel Effect2006
- Author(s)
  H.Umezawa, T.Arima, S.Miyamoto, H.Matsudaira, H.Kawarada
- Journal Title
  
  IEEE Elect. Device Lett. 27 (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Trapping mechanism on oxygen-terminated diamond surfaces2006
- Author(s)
  Y.Itoh, H.Umezawa et al.
- Journal Title
  
  Appl. Phys. Lett. 89
  
  Pages: 203503-203503
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Diamond FET biosensor to actualize the detection of SNP based its charge detection2006
- Author(s)
  H.Umezawa, K.Hirama, T.Arai, H.Kawarada et al.
- Journal Title
  
  Jpn.J.Appl.Phys. 45(in press)
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Diamond MISFETs for High Frequency Applications2006
- Author(s)
  H.Umezawa, K.Hirama, T.Arai, H.Hata, H.Takayanagi, T.koshiba, K.Yohara, S.Mejima, M.Satoh, K.S.Song, H.Kawarada
- Journal Title
  
  Jpn. J. Appl. Phys. 45 (in press)
- NAID
  10022538412
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] 多結晶ダイヤモンドを用いた電解質溶液FETsのバイオセンサへの応用2005
- Author(s)
  宋光燮, 中村雄介, 出川宗里, 佐々木順紀, 梅沢仁, 川原田洋
- Journal Title
  
  日本結晶成長学会誌 58, 4
  
  Pages: 473-476
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] RF diamond transistors : Current status and future prospects2005
- Author(s)
  H.Umezawa, K.Hirama, T.Arai, H.Hata, H.Takayanagi, T.Koshiba, K.Yohara, S.Mejima, M.Satoh, K.S.Song, H.Kawarada
- Journal Title
  
  Jpn.J.Appl.Phys. 44, 11
  
  Pages: 7789-7794
- NAID
  10016870458
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of the Locally Modified Diamond Surface using a Kelvin Probe Force Microscope2005
- Author(s)
  M.Tachiki, Y.Kaibara, Y.Sumikawa, M.Shigeno, H.Kanazawa, T.Banno, K.S.Song, H.Umezawa, H.Kawarada
- Journal Title
  
  Surf.Sci. 581, 2-3,
  
  Pages: 207-212
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of the Locally Modified Diamond Surface using a Kelvin Probe Force Microscope2005
- Author(s)
  M.Tachiki, Y.Kaibara, Y.Sumikawa, M.Shigeno, H.Kanazawa, T.Banno, K.S.Song, H.Umezawa, H.Kawarada
- Journal Title
  
  Surf. Sci. 581, 2-3
  
  Pages: 207-212
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Micropatternin oligonucleotides on single-crystal diamond surface by photolithography2005
- Author(s)
  G.J.Zhang, H.Umezawa, H.Hata, T.Zako, T.Funatsu, I.Ohdomari, H.Kawarada
- Journal Title
  
  Jpn. J. Appl. Phys. 44, 8-11
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Characterization of locally modified diamond surface using Kelvin probe force microscope2005
- Author(s)
  M.Tachiki, H.Umezawa et al.
- Journal Title
  
  Surf.Sci. 581(2-3)
  
  Pages: 207-212
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] RF diamond transistors : Current status and future prospects2005
- Author(s)
  H.Umezawa et al.
- Journal Title
  
  Jpn.J.Appl.Phys. 44(11)
  
  Pages: 7789-7794
- NAID
  10016870458
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Superconductivity in polycrystalline diamond thin films2005
- Author(s)
  Y.Takano, H.Umezawa et al.
- Journal Title
  
  Diam.Relat.Mater. 14(11-12)
  
  Pages: 1936-1938
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Micropatterning oligonucleotides on single-crystal diamond surface by photolithography2005
- Author(s)
  G.J.Zhang, H.Umezawa, H.Hata, T.Zako, T.Funatsu, I.Ohdomari, H.Kawarada
- Journal Title
  
  Jpn.J.Appl.Phys. 44, 8-11
- NAID
  10014505871
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Micropatterning Oligonucleotides on Single Crystal Diamond Surface by Photolithography2005
- Author(s)
  G.J.Zhang, H.Umezawa, H.Hata, H.Kawarada et al.
- Journal Title
  
  Jpn.J.Appl.Phys. 44
  
  Pages: 295-298
- NAID
  10014505871
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Superconductivity in polycrystalline diamond thin films2005
- Author(s)
  Y.Takano, M.Nagao, T.Takenouchi, H.Umezawa, I.Sakaguchi, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam. Relat. Mater. 14, (11-12)
  
  Pages: 1936-1938
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] RF diamond transistors : Current status and future prospects2005
- Author(s)
  H.Umezawa, K.Hirama, T.Arai, H.Hata, H.Takayanagi, T.Koshiba, K.Yohara, S.Mejima, M.Satoh, S.Song, H.Kawarada
- Journal Title
  
  Jpn. J. Appl. Phys. 44, 11
  
  Pages: 7789-7794
- NAID
  10016870458
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Micropatterning Oligonucleotides on Single Crystal Diamond Surface by Photolithography2005
- Author(s)
  G.Zhang, H.Umezawa, I.Ohdomari, H.Kawarada
- Journal Title
  
  Jpn.J.Appl.Phys. 44
- NAID
  10014505871
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Fabrication of diamond MISFET with micron-sized gate length on boron-doped (111) surface2005
- Author(s)
  T.Saito, H.Umezawa et al.
- Journal Title
  
  Diam.Relat.Mater. 14(11-12)
  
  Pages: 2043-2046
- Data Source
  KAKENHI-PROJECT-17686031
[Journal Article] Superconductivity in polycrystalline diamond thin films2005
- Author(s)
  Y.Takano, M.Nagao, T.Takenouchi, H.Umezawa, I.Sakaguchi, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam.Relat.Mater. 14, (11-12)
  
  Pages: 1936-1938
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Fabrication of diamond MISFET with micron-sized gate length on boron-doped (111) surface2005
- Author(s)
  T.Saito, KH.Park, K.Hirama, H.Umezawa, M.Satoh M, H.Kawarada, H.Okushi
- Journal Title
  
  Diam.Relat.Mater. 14, (11-12)
  
  Pages: 2043-2046
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Fabrication of diamond MISFET with micron-sized gate length on boron-doped (111) surface2005
- Author(s)
  T.Saito, KH.Park, K.Hirama, H.Umezawa, M.Satoh M, H.Kawarada, H.Okushi
- Journal Title
  
  Diam. Relat. Mater. 14, (11-12)
  
  Pages: 2043-2046
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Surface modified Diamond Field-Effect Transistors for Enzyme Immobilized Biosensor2004
- Author(s)
  K.S.Song, M.Degawa, Y.Nakamura, H.Kanazawa, H.Umezawa, H.Kawarada
- Journal Title
  
  Jpn. J. Appl. Phys. 43(Express Letter)
  
  Pages: 814-817
- NAID
  10013161453
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] ダイヤモンドにおけるキャリア輸送特性とFETへの応用2004
- Author(s)
  川原田洋, 梅沢仁
- Journal Title
  
  応用物理 73,3
  
  Pages: 339-345
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Superconductivity in diamond thin films well above liquid helium temperature2004
- Author(s)
  Y.Takano, M.Nagao, I.Sakaguchi, M.Tachiki, T.Hatano, K.Kobayashi, H.Umezawa, H.Kawarada
- Journal Title
  
  Appl.Phys.Lett. 85, 14
  
  Pages: 2851-2853
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Over 20 GH_2 Cut-Off Frequency Deep Sub-micron Gate Diamond MISFET2004
- Author(s)
  H.Matsudaira, S.Miyamoto, H.Ishizaka, H.Umezawa, H.Kawarada
- Journal Title
  
  IEEE Elect. Dev. Lett. 25(7)
  
  Pages: 480-482
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Surface modified Diamond Field-Effect Transistors for Enzyme Immobilized Biosensor2004
- Author(s)
  K.S.Song, M.Degawa, Y.Nakamura, H.Kanazawa, H.Umezawa, H.Kawarada
- Journal Title
  
  Jph.J.Appl.Phys.(Express Letter) 43
  
  Pages: 814-817
- NAID
  10013161453
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Memory effect of diamond in -plane-gated field-effect transistors2004
- Author(s)
  Y.Sumikawa, T.Banno, K.Kobayashi, Y.Itoh, H.Umezawa, H.Kawarada
- Journal Title
  
  Appl. Phys. Lett. 85(1)
  
  Pages: 139-141
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Superconductivity in diamond thin films well above liquid helium temperature2004
- Author(s)
  T.Takano, M.Nagao, I.Sakaguchi, M.Tachiki, T.Hatano, K.Kobayashi, H.Umezawa, H.Kawarada
- Journal Title
  
  Appl. Phys. Lett. 85, 14
  
  Pages: 2851-2853
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Memory effect of diamond in-plane-gatedfield-effect transistors2004
- Author(s)
  Y.Sumikawa, T.Banno, K.Kobayashi, Y.Itoh, H.Umezawa, H.Kawarada
- Journal Title
  
  Appl.Phys.Lett. 85(1)
  
  Pages: 139-141
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] 多結晶ダイヤモンド表面を用いた電解質溶液FETsのバイオセンサへの応用2004
- Author(s)
  宋光燮, 中村雄介, 出川宗里, 佐々木順紀, 梅沢仁, 川原田洋
- Journal Title
  
  日本結晶成長学会論文誌 31,4
  
  Pages: 335-340
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Over 20 GHz Cut-Off Frequency Deep Sub-micron Gate Diamond MISFET2004
- Author(s)
  H.Matsudaira, S.Miyamoto, H.Ishizaka, H.Umezawa, H.Kawarada
- Journal Title
  
  IEEE Elect.Dev.Lett. 25(7)
  
  Pages: 480-482
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Ozone-Treated Channel Diamond Field-Effect Transistors2003
- Author(s)
  T.Sakai, K.S.Song, H.Kanazawa, Y.Nakamura, H.Umezawa, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam.Relat.Mater. 12
  
  Pages: 1971-1975
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Nonlinear Increase of Excitonic Emission in Synthetic Type IIa Diamond2003
- Author(s)
  K.Nakazawa, H.Umezawa, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam. Relat. Mater. 12
  
  Pages: 1995-1998
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Cryogenic Operation of Diamond Field-Effect Transistors2003
- Author(s)
  H.Ishizaki, M.Tachiki, K.S.Song, H.Umezawa, H.Kawarada
- Journal Title
  
  Diam. Relat. Mater. 12
  
  Pages: 1800-1803
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Nonlinear Increase of Excitonic Emission in Synthetic Type IIa Diamond2003
- Author(s)
  K.Nakazawa, H.Umezawa, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam.Relat.Mater. 12
  
  Pages: 1995-1998
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Cryogenic Operation of Diamond Field-Effect Transistors2003
- Author(s)
  H.Ishizaka, M.Tachiki, K.S.Song, H.Umezawa, H.Kawarada
- Journal Title
  
  Diam.Relat.Mater. 12
  
  Pages: 1800-1803
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Ozone-Treated Channel Diamond Field-Effect Transistors2003
- Author(s)
  T, Sakai, K.S.Song, H.Kanazawa, Y.Nakamura, H.Umezawa, M.Tachiki, H.Kawarada
- Journal Title
  
  Diam. Relat. Mater. 12
  
  Pages: 1971-1975
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Deep Sub-micron Gate Diamond MISFETs2003
- Author(s)
  H.Matsudaira, T.Arima, H.Ishizaka, H.Umezawa, M.Tachiki, S.Miyamoto, H.Kawarada
- Journal Title
  
  Diam. Relat. Mater. 12
  
  Pages: 1814-1818
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Journal Article] Deep Sub-micron Gate Diamond MISFETs2003
- Author(s)
  H.Matsudaira, T.Arima, H.Ishizaka, H.Umezawa, M.Tachiki, S.Miyamoto, H.Kawarada
- Journal Title
  
  Diam.Relat.Mater. 12
  
  Pages: 1814-1818
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15206043
[Presentation] Relaxation of electrical field at the edge of diamond Schottky barrier diode using X-ray irradiated surface semi-insulating layer2016
- Author(s)
  H. Umezawa, T. Matsumoto, M. Tsubota, J. Kaneko, Y, Mokuno
- Organizer
  Hasselt Diamond Workshop 2016 - SBDD XXI
- Place of Presentation
  cultuurcentrum Hasselt, Hasselt, Belgium
- Year and Date
  2016-03-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond Unipolar Devices for Future Power Electronics2016
- Author(s)
  H.Umezawa
- Organizer
  2016 MRS Spring Meeting & Exhibit
- Place of Presentation
  Phoenix Convention Center, Arizona, USA
- Year and Date
  2016-03-29
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Floating Metal-Fieldring Edge-Termination of diamond Schottky barrier diodes2016
- Author(s)
  S. Rugen, H. Umezawa, N. Kaminski
- Organizer
  Hasselt Diamond Workshop 2016 - SBDD XXI
- Place of Presentation
  cultuurcentrum Hasselt, Hasselt, Belgium
- Year and Date
  2016-03-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] High Voltage Diamond MESFET with VBR > 1.5kV2015
- Author(s)
  H. Umezawa, T. Matsumoto, S. Ohmagari, Y. Kato and Y. Mokuno
- Organizer
  2015 International Conference on Solid State Device and Materials - SSDM2015
- Place of Presentation
  International Conference Center, Sapporo, Japan
- Year and Date
  2015-09-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Optimized doping structure of drift layer on punch-through type diamond power devices2015
- Author(s)
  H. Umezawa, J. Pernot, D. Eon, S. Shikata and E. Gheeraert
- Organizer
  International Conference on Diamond and Carbon Materials 2015
- Place of Presentation
  International Conference Center, Bad Homburg, Germany
- Year and Date
  2015-09-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond unipolar devices for high power and high temperature electronics2015
- Author(s)
  H. Umezawa
- Organizer
  SBDDXX
- Place of Presentation
  Hasselt, Belguim
- Year and Date
  2015-02-25
- Invited
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond MESFET with low resistive p+ contact layer for source and drain2015
- Author(s)
  H. Umezawa, S. Ohmagari, Y. Kato, T. Matsumoto, Y. Mokuno
- Organizer
  International Conference on Diamond and Carbon Materials 2015
- Place of Presentation
  International Conference Center, Bad Homburg, Germany
- Year and Date
  2015-09-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Local area characterization of self-standing single crystal diamond by Synchrotorn radiation X-ray topograpy and rocking curve measurement2015
- Author(s)
  H. Umezawa, Y. Kato, Y. Mokuno, S. Shikata, Y. Takahashi, H. Sugiyama, K. Hirano
- Organizer
  9th International Conference on New Diamond and Nano Carbons 2015 - NDNC2015
- Place of Presentation
  International Conference Center, Shizuoka, Japan
- Year and Date
  2015-05-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Local area characterization of self-standing single crystal diamond by Synchrotorn radiation X-ray topograpy and rocking curve measurement2015
- Author(s)
  H. Umezawa, Y. Kato, Y. Mokuno, S. Shikata, Y. Takahashi, H. Sugiyama, K. Hirano
- Organizer
  Int’l Conf.on New Diamond and Nano Carbons
- Place of Presentation
  グランシップ（静岡県静岡市）
- Year and Date
  2015-05-25
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Diamond VSBD with BVBD 1.8kV at 250oC operation temperature2014
- Author(s)
  H. Umezawa, Y. Kato and S. Shikata
- Organizer
  Hasselt Diamond Workshop 2014
- Place of Presentation
  Hasselt, Belgium
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] ダイヤモンドMESFETの高電圧ブレークダウン特性2014
- Author(s)
  梅沢仁、松本猛、鹿田真一
- Organizer
  第28回ダイヤモンドシンポジウム
- Place of Presentation
  北千住、東京
- Year and Date
  2014-11-20
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond Power Devices,SBDs and MESFETs2014
- Author(s)
  梅沢仁
- Organizer
  2nd Japan-France Workshop on Diamond Power Device
- Place of Presentation
  九重, 大分
- Year and Date
  2014-10-08
- Invited
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] 高温動作ダイヤモンドMESFETの試作と評価2014
- Author(s)
  梅沢仁、松本猛、鹿田真一
- Organizer
  第75回応用物理学会秋季学術講演会
- Place of Presentation
  札幌, 北海道
- Year and Date
  2014-09-18
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Major tasks toward Diamond power device and wafer2014
- Author(s)
  S. Shikata, H. Umezawa et al.,
- Organizer
  NDNC2014
- Place of Presentation
  Chicago, USA
- Year and Date
  2014-05-19
- Invited
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] ショットキーバリアダイオードのp-層の欠陥評価2013
- Author(s)
  加藤有香子、梅澤仁、鹿田真一
- Organizer
  第27回ダイヤモンドシンポジウム
- Place of Presentation
  日本工業大学（埼玉県　南埼玉郡）
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] 単結晶および多結晶ダイヤモンドの分光エリプソメトリー法による膜厚評価2013
- Author(s)
  梅沢仁，加藤有香子，鹿田真一
- Organizer
  第27回ダイヤモンドシンポジウム
- Place of Presentation
  埼玉県、日本工業大学
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond power devices for high temperature and high current applications2013
- Author(s)
  H.Umezawa, Y.Kato, and S.Shikata
- Organizer
  JSAP-MRS Joint Symposium
- Place of Presentation
  Kyoto, Japan
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Leakage Current Analysis of Diamond SBDs Operated at High Temperature2013
- Author(s)
  H.Umezawa and S.Shikata
- Organizer
  Int'l Conf.Solid State Device and Materials
- Place of Presentation
  Fukuoka, Japan
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Diamond power devices for high temperature and high current applications2013
- Author(s)
  H. Umezawa, Y. Kato and S. Shikata
- Organizer
  2013 JSAP/MRS Joint Symposia
- Place of Presentation
  京都府、同志社大学
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Fabrication and Characterization of 1mm Size Diamond SBD2013
- Author(s)
  H. Umezawa, S. Shikata and T. Funaki
- Organizer
  2013 International Conference on Solid State Devices and Materials
- Place of Presentation
  福岡県、ヒルトン福岡
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] パワーデバイス応用を目指したウェハ・デバイスの開発課題2013
- Author(s)
  鹿田真一、梅澤仁、加藤有香子、大曲新矢、山田英明、坪内信輝、杢野由明、茶谷原昭義
- Organizer
  第27回ダイヤモンドシンポジウム
- Place of Presentation
  日本工業大学（埼玉県　南埼玉郡）
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] High Temperature Operation of Diamond SBDs2013
- Author(s)
  H. Umezawa
- Organizer
  1st French-Japanese Workshop on Diamond power devices
- Place of Presentation
  Chamonix, France
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Fabrication and Characterization of 1mm Size Diamond SBD2013
- Author(s)
  H.Umezawa, S.Shikata and T.Funaki
- Organizer
  Int'l Conf.Solid State Device and Materials
- Place of Presentation
  Fukuoka, Japan
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Reduction of epitaxial growth dislocations originate from the surface2013
- Author(s)
  S. Shikata, Y. Kato, H. Umezawa and M.Touge
- Organizer
  JSAP-MRS Joint Symposium
- Place of Presentation
  Kyoto,Japan
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Leakage Current Analysis of Diamond SBDs Operated at High Temperature2013
- Author(s)
  H.Umezawa and S.Shikata
- Organizer
  2013 International Conference on Solid State Devices and Materials
- Place of Presentation
  福岡県、ヒルトン福岡
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond based power device2013
- Author(s)
  S.Shikata, H.Umezawa,Y.Kato,H.YamadamN.Tsubouchi,Y.Mokuno,A.Chayahara and T.Funaki
- Organizer
  Int'l Conf.SiC and Related Materials
- Place of Presentation
  Miyazaki, Japan
- Invited
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] High current operation of diamond vertical-SBDs at 250oC2012
- Author(s)
  梅沢仁
- Organizer
  IUMRS-Int'l Conf. on Electronic Materials (IUMRS-ICEM2012)
- Place of Presentation
  日本
- Year and Date
  2012-09-24
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] Diamond high-power and high-temperature SBDs2012
- Author(s)
  梅沢仁
- Organizer
  the 44th International Conference on Solid State Devices and Materials (SSDM 2012)
- Place of Presentation
  日本
- Year and Date
  2012-09-26
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] 5A動作ダイヤモンドSBDの高温動作特性評価2012
- Author(s)
  梅沢仁
- Organizer
  SiCおよび関連ワイドギャップ半導体研究会第21回研究会
- Place of Presentation
  日本
- Year and Date
  2012-11-19
- Data Source
  KAKENHI-PROJECT-24360113
[Presentation] 原子的平坦表面を有するダイヤモンド(111)薄膜の成長2007
- Author(s)
  徳田規夫、梅沢仁, 他
- Organizer
  第21回ダイヤモンドシンポジウム
- Place of Presentation
  新潟/日本
- Year and Date
  2007-11-21
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] DC and RF characterization of 0.1um gate length diamond MISFETs fabricated on polycrystalline diamond2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Organizer
  New Diamond and Nano Carbon 2007
- Place of Presentation
  大阪/日本
- Year and Date
  2007-05-30
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Diamond MISFETs fabricated on high quality polycrystalline CVD diamond2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Organizer
  IEEE International Symposium On Power Semiconduct or Devices and ICs 2007
- Place of Presentation
  Juju island, Korea
- Year and Date
  2007-05-30
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Runghening of atomically flat diamind(lll)surface by wet-oxidation treatment2007
- Author(s)
  N. Tokuda, H. Umezawa, et. al.
- Organizer
  New Diamond and Nano Carbon 2007
- Place of Presentation
  大阪/日本
- Year and Date
  2007-05-30
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Atomically flat diamond surfaces(Invited talk)2007
- Author(s)
  N. Tokuda, H. Umezawa, et. al.
- Organizer
  18th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, and Nitrides
- Place of Presentation
  Berlin,Germany
- Year and Date
  2007-09-11
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Formation of atomically flat diamond(111)surfaces2007
- Author(s)
  N. Tokuda, H. Umezawa, et. al.
- Organizer
  9th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures
- Place of Presentation
  東京/日本
- Year and Date
  2007-11-13
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Low plasma damage hydrogen-terminatio process by antenna-edge-plasma2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Organizer
  New Diamond and Nano Carbon 2007
- Place of Presentation
  大阪/日本
- Year and Date
  2007-05-29
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] DC and RF performance of Diamond MISFETs with Alumina Gate Insulator2007
- Author(s)
  K, Hirama, H, Umezawa, et. al.
- Organizer
  International Conference on Silicon Carbide and Related Materials 2007
- Place of Presentation
  滋賀/日本
- Year and Date
  2007-10-16
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] High power diamond Schottky barrier diode with barrier height control2007
- Author(s)
  H. Umezawa, et. al.
- Organizer
  New Diamond and Nano Carbons 2007
- Place of Presentation
  大阪/日本
- Year and Date
  2007-05-29
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Bias dependence of RF performance and small-signal equivalent circuit in diamond MISFETs2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Organizer
  Fifth International Symposium on Control of Semiconductor Interfaces
- Place of Presentation
  東京/日本
- Year and Date
  2007-11-12
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] High-performance p-channel diamond MOSFETs with alumina gate insulator2007
- Author(s)
  K. Hirama, H. Umezawa, et. al.
- Organizer
  2007 IEEE International Electron Devices Meeting
- Place of Presentation
  Washington,USA
- Year and Date
  2007-12-11
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] ダイヤモンド(111)のステップフリー表面の形成2007
- Author(s)
  徳田規夫、梅沢仁, 他
- Organizer
  ナノ学会第5回大会
- Place of Presentation
  茨城/日本
- Year and Date
  2007-05-22
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Fabrication of H-terminated diamond MISFETs utilizing TiC ohmic layer2007
- Author(s)
  Y. Jingu, H. Umezawa, et. al.
- Organizer
  18th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, and Nitrides
- Place of Presentation
  Berling,Germany
- Year and Date
  2007-09-10
- Data Source
  KAKENHI-PROJECT-17686031
[Presentation] Diamond based power devices
- Author(s)
  S.Shikata, H.Umezawa, Y.Kato, S.Ohmagari, H.Yamada, N.Tsubouchi, Y.Mokuno, and A.Chayahara,
- Organizer
  New Diamond and Nano Carbons 2014
- Place of Presentation
  Hyatt Regency,Chicago, USA
- Year and Date
  2014-05-26 – 2014-05-30
- Invited
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] 複屈折像による簡便な転位解析の模索
- Author(s)
  加藤有香子，梅沢仁，鹿田真一
- Organizer
  第28回ダイヤモンドシンポジウム
- Place of Presentation
  東京電機大学、東京
- Year and Date
  2014-11-19 – 2014-11-21
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] Diamond Wafer Prospect for the Power Device Application
- Author(s)
  S.Shikata, H.Umezawa, Y.Kato, S.Ohmagari, H.Yamada, N.Tsubouchi, Y.Mokuno, and A.Chayahara,
- Organizer
  6th International Workshop on Crystal Growth Technology
- Place of Presentation
  Novotel, Berlin, Germany
- Year and Date
  2014-06-16 – 2014-06-20
- Invited
- Data Source
  KAKENHI-PROJECT-25249036
[Presentation] X-ray Topographic Study of Defect in p- diamond layer of Schottky barrier diode
- Author(s)
  Y. Kato, H. Umezawa, S. Shikata
- Organizer
  International conference on diamond and carbon materials 2014
- Place of Presentation
  Melia Castilla, Madrid, Spain
- Year and Date
  2014-09-07 – 2014-09-11
- Data Source
  KAKENHI-PROJECT-25249036

1. Shikata Shinichi (00415689)

# of Collaborated Projects: 1 results

# of Collaborated Products: 16 results
2. TOUGE Mutsumi (00107731)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
3. CHAYAHARA Akiyosshi (10357501)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
4. MOKUNO Yoshiaki (60358166)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
5. KATOU Yukako (90509837)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
6. KAWARADA Hiroshi (90161380)

# of Collaborated Projects: 1 results

# of Collaborated Products: 42 results
7. SONG Kwang-Soup (50350476)

# of Collaborated Projects: 1 results

# of Collaborated Products: 13 results

Umezawa Hitoshi 梅沢 仁

梅沢 仁 ウメザワ ヒトシ

梅澤 仁 ウメザワ ヒトシ

UMEZAWA Hitoshi 梅沢 仁

Research Projects

Research Products

Co-Researchers

Low dislocation diamond wafer for power device

Principal Investigator

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Researches of high temperature power switching devices on high quality semiconductor diamondPrincipal Investigator

Principal Investigator

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半導体ダイヤモンドを用いた超高出力RF増幅およびスウィッチングデバイスの開発Principal Investigator

Principal Investigator

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ダイヤモンド薄膜表面の導電性制御によるハイパワー高周波トランジスタの開発

Principal Investigator

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ダイヤモンドの表面ナノ制御による量子デバイス、バイオチップ・センサ応用の研究Principal Investigator

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[Journal Article] ショットキーダイオードとMESFET2016

Author(s)

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Data Source

[Journal Article] X-ray Topographic Study of a Homoepitaxial Diamond Layer on an Ultraviolet-irradiated Precision Polished Substrate2014

Author(s)

Journal Title

Data Source

[Journal Article] Effect of an Ultraflat Substrate on the Epitaxial Growth of Chemical-Vapor-Deposited Diamond2014

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Diamond Schottky barrier diode for high temperature, high power and fast switching applications2014

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Leakage current analysis of diamond Schottky barrier diodes operated at high temperature2014

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Diamond Schottky barrier diode for high-temperature, high-power, and fast switching applications2014

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Diamond metal-semiconductor field-effect transistor with breakdown voltage over 1.5 k2014

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[Journal Article] Characterization of free-standing single-crystal diamond prepared by hot-filament chemical vapor deposition2014

Author(s)

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DOI

Data Source

[Journal Article] Leakage current analysis of diamond Schottky barrier diodes by defect imaging2013

Author(s)

Journal Title

DOI

Data Source

Umezawa Hitoshi 梅沢仁

梅沢仁ウメザワヒトシ

梅澤仁ウメザワヒトシ

UMEZAWA Hitoshi 梅沢仁