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Umezawa, Hitoshi
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1

SiC-based high electron mobility transistor:

Sazawa, Hiroyuki ; Nakajima, Akira ; Kuboya, Shigeyuki...
Applied Physics Letters.  124 (2024)  12 - p. , 2024
Link: https://doi.org/10.1063/..
 
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2

Temperature Dependence of Betavoltaic Cell Performance of D..:

Shimaoka, Takehiro ; Umezawa, Hitoshi ; Jacopin, Gwenole...
IEEE Electron Device Letters.  45 (2024)  1 - p. 96-99 , 2024
Link: https://doi.org/10.1109/..
 
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3

P-channel HFET utilizing 2D Hole Gas in Si-face 3C/4HSiC He..:

Sazawa, Hiroyuki ; Nakajima, Akira ; Kuboya, Shigeyuki...
IEEE Electron Device Letters.  , 2024
Link: https://doi.org/10.1109/..
 
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4

Exploring diamond multigate FET for next generation three-p..:

Yamaguchi, Takahiro ; Umezawa, Hitoshi ; Kawashima, Hiroyuki...
Diamond and Related Materials.  144 (2024)  - p. 111012 , 2024
Link: https://doi.org/10.1016/..
 
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5

Fabrication of the SiC Gate-All-Around JFET:

Mochizuki, Masaya ; Yamamoto, Masayuki ; Umezawa, Hitoshi.
IEEE Transactions on Electron Devices.  70 (2023)  9 - p. 4612-4617 , 2023
Link: https://doi.org/10.1109/..
 
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6

Thermally Stable and Radiation‐Proof Visible‐Light Photodet..:

Sittimart, Phongsaphak ; Ohmagari, Shinya ; Umezawa, Hitoshi...
Advanced Optical Materials.  11 (2023)  12 - p. , 2023
Link: https://doi.org/10.1002/..
 
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7

(Invited, Digital Presentation) Low-Temperature Direct Bond..:

Matsumae, Takashi ; Umezawa, Hitoshi ; Kurashima, Yuichi.
ECS Transactions.  111 (2023)  2 - p. 53-60 , 2023
Link: https://doi.org/10.1149/..
 
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8

Surface defects related to polishing cycle in ß-Ga2O3 cryst..:

Perrier, Coralie ; Traoré, Aboulaye ; Ito, Toshimitsu...
Applied Physics Letters.  122 (2023)  22 - p. , 2023
Link: https://doi.org/10.1063/..
 
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9

Irradiation effects of X-rays up to 3 MGy on hydrogen-termi..:

Masumura, Tadashi ; Umezawa, Hitoshi ; Yamaguchi, Takahiro...
Diamond and Related Materials.  135 (2023)  - p. 109825 , 2023
Link: https://doi.org/10.1016/..
 
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10

Development of differential amplifier circuits based on rad..:

Fukushima, Hiroki ; Tanaka, Manobu M. ; Umezawa, Hitoshi...
Diamond and Related Materials.  134 (2023)  - p. 109758 , 2023
Link: https://doi.org/10.1016/..
 
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11

Electrical properties of Si/diamond heterojunction diodes f..:

Uehigashi, Yota ; Ohmagari, Shinya ; Umezawa, Hitoshi...
Diamond and Related Materials.  130 (2022)  - p. 109425 , 2022
Link: https://doi.org/10.1016/..
 
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12

Impact of Laser‐Induced Graphitization on Diamond Schottky ..:

Iwao, Tomoki ; Sittimart, Phongsaphak ; Yoshitake, Tsuyoshi..
physica status solidi (a).  219 (2022)  20 - p. , 2022
Link: https://doi.org/10.1002/..
 
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13

Comparison of thermal stabilities of p+-Si/p-diamond hetero..:

Uehigashi, Yota ; Ohmagari, Shinya ; Umezawa, Hitoshi...
Japanese Journal of Applied Physics.  61 (2022)  SF - p. SF1009 , 2022
Link: https://doi.org/10.35848..
 
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14

Characterization of mosaic diamond wafers and hot-filament ..:

Tanaka, Koji ; Ohmagari, Shinya ; Tachiki, Minoru...
Diamond and Related Materials.  123 (2022)  - p. 108839 , 2022
Link: https://doi.org/10.1016/..
 
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15

Impact of Laser‐Induced Graphitization on Diamond Schottky ..:

Iwao, Tomoki ; Sittimart, Phongsaphak ; Yoshitake, Tsuyoshi..
physica status solidi (a).  219 (2022)  20 - p. , 2022
Link: https://doi.org/10.1002/..
 
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