M. Sometani, T. Hosoi, H. Hirai, T. Hatakeyama, S. Harada, H. Yano, T. Shimura, H. Watanabe, Y. Yonezawa, and H. Okumura,
"Ideal phonon-scattering-limited mobility in inversion channels of 4H-SiC(0001) MOSFETs with ultralow net doping concentrations",
Applied Physics Letters, 115, (13) pp 132102-1~5(2019).
K. Moges, M. Sometani, T.Hosoi, T. Shimura, S. Harada, and H. Watanabe,
"Sub-nm-Scale Depth Profiling of Nitrogen in NO- and N2-Annealed SiO2/4H-SiC(0001) Structures",
Materials Science Forum, 963, pp 226~229(2019).
H. Takeda, T. Hosoi, T. Shimura, and H. Watanabe,
"Evaluation of the Impact of Al Atoms on SiO2/SiC Interface Property by Using 4H-SiC n+-Channel Junctionless MOSFET",
Materials Science Forum, 963, pp 171~174(2019).
T. Hosoi, K. Watanabe, M. Nozaki, T. Yamada T. Shimura, and H. Watanabe,
"Mobility enhancement in recessed-gate AlGaN/GaN MOS-HFETs using an AlON gate insulator",
Japanese Journal of Applied Physics, 58, (SC) pp SCCD16-1~6(2019).
T. Yamada, D. Terashima, M. Nozaki, H. Yamada, T. Takahashi, M. Shimizu, A. Yoshigoe, T. Hosoi, T. Shimura, and H. Watanabe,
"Controlled oxide interlayer for improving reliability of SiO2/GaN MOS devices",
Japanese Journal of Applied Physics, 58, (SC) pp SCCD06-1~5(2019).
M. Nozaki, D. Terashima, T. Yamada, A. Yoshigoe, T. Hosoi, T. Shimura, and H. Watanabe,
"Comparative study on thermal robustness of GaN and AlGaN/GaN MOS devices with thin oxide interlayers",
Japanese Journal of Applied Physics, 58, (SC) pp SCCD08-1~6(2019).
K. Moges, T. Hosoi, T. Shimura, and H. Watanabe,
"Performance improvement in 4H-SiC(0001) p-channel metal-oxide-semiconductor field-effect transistors with a gate oxide grown at ultrahigh temperature",
Applied Physics Express, 12, (6) pp 061003-1~4(2019).
S. Yoshida, D. H L Lin, R. Suzuki, Y. Miyanami, N. Collaert, T. Hosoi, T. Shimura, and H. Watanabe,
"Analysis of III–V oxides at high-k/InGaAs interfaces induced by metal electrodes",
Japanese Journal of Applied Physics, 58, (5) pp 051010-1~6(2019).
Y. Wada, K. Inoue, T. Hosoi, T. Shimura, and H. Watanabe,
"Demonstration of mm long nearly intrinsic GeSn single-crystalline wires on quartz substrate fabricated by nucleation-controlled liquid-phase crystallization",
Japanese Journal of Applied Physics, 58, (SB) pp SBBK01-1~6(2019).
国際学会 / International Conferences
T. Hosoi, M. Ohsako, T. Shimura, and H. Watanabe,
"High-temperature CO2 Process for Improvement of SiC MOS Characteristics",
50th IEEE Semiconductor Interface Specialists Conference (SISC 2019), 14.2, Dec.14,
(San Diego, USA, December 11-14, 2019)
Y. Wada, T. Hosoi, T. Shimura, and H. Watanabe,
"Room Temperature Electroluminescence from Tensile-strained GeSn Lateral PIN Structures Fabricated by Nucleation-controlled Liquid-phase Crystallization",
50th IEEE Semiconductor Interface Specialists Conference (SISC 2019), 8.4, Dec.13,
(San Diego, USA, December 11-14, 2019)
Y. Terao, H. Tsuji, T. Hosoi, X. Zhang, H. Yano, T. Shimura, and H. Watanabe,
"The role of oxygen ambient anneal for Ba-incorporated SiO2/SiC interface",
50th IEEE Semiconductor Interface Specialists Conference (SISC 2019), 6.17, Dec.12,
(San Diego, USA, December 11-14, 2019)
T. Shimura, T. Hosoi, and H. Watanabe,
"Oxidation of SiGe Alloy: Residual Order in SiO2 and Self-limiting Oxidation" (Invited),
International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ELECTRON DEVICES – SCIENCE AND TECHNOLOGY – (IWDTF 2019), S5-2, pp. 90-91, Nov.19,
(Tokyo, Japan, November 18-20, 2019)
T. Hosoi, T. Shimura, and H. Watanabe,
"Thermal Oxidation of SiC: Kinetics and SiO2/SiC Interface Property" (Invited),
International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ELECTRON DEVICES – SCIENCE AND TECHNOLOGY – (IWDTF 2019), S5-4, pp. 94-95, Nov.19,
(Tokyo, Japan, November 18-20, 2019)
M. Nozaki, D. Terashima, A. Yoshigoe, T. Hosoi, T. Shimura, and H. Watanabe,
"Evaluation of Reactive Ion Etching-induced Damage on 2DEG at AlGaN/GaN Interface",
International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ELECTRON DEVICES – SCIENCE AND TECHNOLOGY – (IWDTF 2019), S1-2, pp. 8-9, Nov.18,
(Tokyo, Japan, November 18-20, 2019)
Y. Wada, M. Nozaki, T. Hosoi, T. Shimura, and H. Watanabe,
"Insight into Ga Diffusion in SiO2 Dielectric Layer and Process Design for Improved Reliability of GaN-based MOS Devices",
International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ELECTRON DEVICES – SCIENCE AND TECHNOLOGY – (IWDTF 2019), P-27, pp. 64-65, Nov.18,
(Tokyo, Japan, November 18-20, 2019)
R. Fukuda, A. Yamazaki, D. Tsukamoto, T. Hosoi, H. Watanabe, and T. Shimura,
"X-ray phase-contrast imaging using Talbot-Lau interferometer with lanthanum targets embedded in diamond substrates",
X-ray and Neutron Phase Imaging with Gratings (XNPIG 2019), ORAL 29, Oct.23,
(Sendai, Japan, October 20-24, 2019)
T. Hosoi, M. Ohsako, T. Shimura, and H. Watanabe,
"Interface Engineering of SiC MOS Devices by High-temperature CO2 Treatment",
International Conference on Silicon Carbide and Related Materials (ICSCRM 2019), Th-P-33, Oct.3,
(Kyoto, Japan, September 30-October 4, 2019)
H. Takeda, M. Sometani, T. Hosoi, T. Shimura, H. Yano, and H. Watanabe,
"Insight into Channel Conduction Mechanisms of 4H-SiC(0001) MOSFET based on Temperature-dependent Hall Effect Measurement",
International Conference on Silicon Carbide and Related Materials (ICSCRM 2019), Mo-P-29, Sep.30,
(Kyoto, Japan, September 30-October 4, 2019)
T. Nishimura, H. Nakanishi, I. Kawayama, M. Tonouchi, T. Hosoi, T. Shimura, H. Watanabe,
"Characterization of Surface Potential of Oxidized Silicon Carbide by a Laser Terahertz Emission Microscope",
International Conference on Silicon Carbide and Related Materials (ICSCRM 2019), We-P-27, Oct.2,
(Kyoto, Japan, September 30-October 4, 2019)
T. Hosoi, M. Nozaki, T. Shimura, and H. Watanabe,
"Gate stack engineering for GaN power MOSFETs" (Invited),
13th Topical Workshop on Heterostructure Microelectronics (TWHM 2019), 4-1, Aug.27,
(Toyama, Japan, August 26-29, 2019)
T. Hosoi, K. Moges, T. Shimura, and H. Watanabe,
"Recent progress in understanding carbon-related interface defects and electrical properties in SiC-MOS devices" (Invited),
INFOS 2019, 4.3, Jul.1,
(Cambridge, UK, June 30-July 3, 2019)
H. Oka, W. Mizubayashi, T. Hosoi, T. Shimura, H. Watanabe, T. Maeda, N. Uchida, and K. Endo,
"Tensile-strained GeSn-on-SOI MSM Photodetector Fabricated by Solid-phase Epitaxy",
JST-MOST Workshop "Nanoelectronics and Systems Integration for AI", P-13, Jun.14,
(Kyoto, Japan, June 14, 2019)
国内学会 / Domestic Conferences
細井卓治,大迫桃恵,伊藤滉二,志村考功,木本恒暢,渡部平司,
"CO2アニールによるSiO2/SiC界面窒素量制御とSiC MOSFET信頼性向上",
先進パワー半導体分科会第6回講演会, IB-12, Dec.3,
(広島国際会議場, December 3-4, 2019)
野崎幹人,寺島大貴,吉越章隆,細井卓治,志村考功,渡部平司,
"AlGaN/GaNヘテロ構造の低バイアス電力ICPエッチングによる低損傷加工",
先進パワー半導体分科会第6回講演会, IIA-20, Dec.4,
(広島国際会議場, December 3-4, 2019)
和田悠平,野崎幹人,細井卓治,志村考功,渡部平司,
"SiO2中へのGa拡散がSiO2/GaN MOS特性に与える影響の評価",
先進パワー半導体分科会第6回講演会, IA-19, Dec.3,
(広島国際会議場, December 3-4, 2019)
西村辰彦,中西英俊,川山巌,斗内政吉,細井卓治,志村考功,渡部平司,
"レーザーテラヘルツエミッション顕微鏡を用いたSiC MOS界面の表面ポテンシャル評価",
先進パワー半導体分科会第6回講演会, IB-13, Dec.3,
(広島国際会議場, December 3-4, 2019)
IWDTF 2019 Young Award 和田 悠平(M1)
"Insight into Ga Diffusion in SiO2 Dielectric Layer and Process Design for Improved Reliability of GaN-based MOS Devices"
November 20, 2019
平成31年度 科学技術分野の文部科学大臣表彰 科学技術賞 研究部門 渡部 平司
"半導体表面界面科学を基軸とした次世代省エネデバイスの研究"
April 17, 2019