H. Fujimoto, T. Kobayashi, H. Watanabe,
"Impact of post-deposition annealing on SiO2/SiC interfaces formed by plasma nitridation of the SiC surface and SiO2 deposition", Applied Physics Express, 17, (11), pp 116503-1~4 (2024).
K. Onishi, T. Nakanuma, K. Tahara, K. Kutsuki, T. Shimura, H. Watanabe, T. Kobayashi,
"Generation of single photon emitters at a SiO2/SiC interface by high-temperature oxidation and reoxidation at lower temperatures", Applied Physics Express, 17, (5), pp 051004-1~5 (2024).
T. Kobayashi, A. Suzuki, T. Nakanuma, M. Sometani, M. Okamoto, A. Yoshigoe, T. Shimura, H. Watanabe,
"Characterization of nitrided SiC(1-100) MOS structures by means of electrical measurements and X-ray photoelectron spectroscopy", Mater. Sci. in Semicond. Process., 175, pp 108251-1~7 (2024).
A. Rack, H. Sekiguchi, K. Uesugi, N. Yasuda, Y. Takano, T. Okinaka, A. Iguchi, L. Milliere, B. Lukić, M.P. Olbinado, T.G. Etoh,
"Recent developments in MHz radioscopy: Towards the ultimate temporal resolution using storage ring-based light sources", Nuclear Inst. and Methods in Physics Research, A, 1058, pp 166812-1~7 (2024).
国際学会 / International Conferences
M. Hara, T. Nabatame, T. Sawada, M. Miyamoto, H. Miura, Y. Irokawa, T. Kimoto, Y. Koide,
"Crystal-face-dependent electron trapping behavior under high-field stress in Al2O3/GaN MOS structures fabricated through a dummy SiO2 process"
12th International Workshop on Nitride Semiconductors (IWN 2024), 91, Characterization: Advanced Characterization Methods, Nov. 5,
(Honolulu, Hawai'i, USA, Nov.3-8, 2024).
H. Mizobata, M. Hara, M. Nozaki, T. Kobayashi and H. Watanabe,
"Reduction of hole traps in SiO2/GaN MOS structures by properly designing the oxide interlayer"
12th International Workshop on Nitride Semiconductors (IWN 2024), P64, Nov. 4,
(Honolulu, Hawai'i, USA, Nov.3-8, 2024).
M. Hara, T. Kitawaki, K. Kuwahara, H. Tanaka, M. Kaneko, and T. Kimoto,
"Tunneling Phenomena and Ohmic Contact Formation at Non-Alloyed Metal/Heavily-Doped SiC Interfaces"
Pacific Rim Meeting on Electrochemical and Solid-State Science 2024, Level 3, Oct.9,
(Honolulu, Hawai'i, USA, Oct.6-11, 2024).
T. Kobayashi, S. Iwamoto and H. Watanabe,
"Impurity-vacancy complexes in 4H-SiC: stability and properties"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 14: Posters 3
, Oct. 1,
(Raleigh, USA, Sep.29-Oct.4, 2024).
T. Kobayashi, K. Koyanagi, H. Hirai, M. Sometani, M. Okamoto and H. Watanabe,
"Insight into the mobility-limiting factors of SiC MOSFETs: the impact of gate bias stress"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 12B: Stress & Threshold Voltage Instabilities, Oct. 2,
(Raleigh, USA, Sep.29-Oct.4, 2024).
T. Nakanuma, K. Tahara, H. Toyama, K. Kutsuki, H. Watanabe and T. Kobayashi,
"Control over the density of single photon emitters at SiO_2/SiC interfaces: CO_2 vs. Ar annealing"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 16A: Quantum Centers & Characterization, Oct. 3,
(Raleigh, USA, Sep.29-Oct.4, 2024).
H. Fujimoto, T. Kobayashi, and H. Watanabe,
"Impact of Post Deposition Annealing on SiO2/SiC Structures Formed by Plasma Nitridation of the SiC Surface"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 5: Posters 1, Sep. 30,
(Raleigh, USA, Sep.29-Oct.4, 2024).
S. Iwamoto, H. Watanabe and T. Kobayashi,
"Investigation of oxygen-related defects in 4H-SiC from ab initio calculations"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 16A: Quantum Centers & Characterization, Oct. 3,
(Raleigh, USA, Sep.29-Oct.4, 2024).
K. Onishi, T. Nakanuma, H. Toyama, K. Tahara, K. Kutsuki, H. Watanabe, and T. Kobayashi,
"Suppression of luminescent spots at SiO_2/SiC interfaces by thermal oxidation at low oxygen partial pressure"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 14: Posters 3, Oct. 2,
(Raleigh, USA, Sep.29-Oct.4, 2024).
S. Kamihata, H. Fujimoto, T. Kobayashi, and H. Watanabe,
"Impacts of thermal oxidation and forming gas annealing on surface morphology of SiC(0001)"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 10: Posters 2, Oct. 1,
(Raleigh, USA, Sep.29-Oct.4, 2024).
S. Horiuchi, H. Fukunaga, B. Shimabukuro, H. Yano, M. Sometani, H. Hirai, H. Watanabe and T. Umeda,
"Spin-dependent-charge-pumping spectroscopy on p-channel 4H-SiC MOSFETs,"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 10: Posters 2, Oct. 1,
(Raleigh, USA, Sep.29-Oct.4, 2024).
B. Shimabukuro, S. Horiuchi, H. Zeng, M. Sometani, H. Hirai, H. Watanabe, Y. Nishiya, Y. Matsushita and T. Umeda,
"Carbon-related interface defects in p-channel 4H-SiC MOSFETs,"
International Conference on Silicon Carbide and Related Materials (ICSCRM 2024), Session 11A: Characterization II, Oct. 2,
(Raleigh, USA, Sep.29-Oct.4, 2024).
H. Watanabe, T. Kobayashi,
"Comprehensive Research on Nitrided SiO2/4H-SiC Interfaces"(Invited),
2024 International Conference on Solid State Devices and Materials (SSDM 2024), D-5-01, Sep. 4,
(Hyogo, Japan, Sep. 1-4, 2024).
応用物理学会 先進パワー半導体分科会 研究奨励賞 八軒 慶慈
"高温ゲートストレス印加による SiC MOSFET のチャネル移動度劣化機構,"
November 26, 2024
IWN2024 Best Poster Award Third Place 溝端 秀聡
"Reduction of hole traps in SiO2/GaN MOS structures by properly designing the oxide interlayer"
November 4, 2024
インタラクティブ物質科学・カデットプログラム 2024年度独創的教育研究活動賞 大西 健太郎
July 8, 2024