International Conference on Materials and Systems for Sustainability 2025（ICMaSS2025）
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OralNano-scale Characterization of the Structure and Properties of Sustainable Materials

[NC-002]Nano-scale Characterization of the Structure and Properties of Sustainable Materials 2

Sat. Dec 13, 2025 10:00 AM - 10:45 AM JST
Sat. Dec 13, 2025 1:00 AM - 1:45 AM UTC
FUJI Hall(EI Building)
Chair:Professor Nobuyuki Ikarashi(Nagoya University)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[NC-2-01]Operando Nanobeam X-ray Diffraction Analysis of strain in AlGaN/GaN HEMTs with 10-µm gate

*Jumpei Yamamoto1, Tetsuya Tohei1, Yasuhiko Imai2, Zhuo Diao1, Kazushi Sumitani2, Shigeru Kimura2, Ryota Ochi3, Taketomo Sato3, Tamotsu Hashizume4, Akira Sakai1 (1. Graduate School of Engineering Science, The University of Osaka, 2. Japan Synchrotron Radiation Research Institute, 3. Research Center For Integrated Quantum Electronics (RCIQE), Hokkaido University, 4. Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[NC-2-02]Analysis of oxygen vacancy distribution in memristive non-stoichiometric amorphous gallium oxide by electron energy loss spectroscopy

*Takaya Tsukamoto1, Tetsuya Tohei1, Zhou Diao1, Nobuyuki Ikarashi2, Akira Sakai1 (1. Graduate School of Engineering Science, The University of Osaka, 2. Institute of Materials and System for Sustainability, Nagoya University)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[NC-2-03]Influence of threading dislocations on surface pit characteristics in 4H-SiC epitaxial wafers via non-destructive identification

*Juhyeong Sun1, Kousei Takahashi2, Yasutaka Matsubara2, Michio Kawase2, Keisuke Seo2, Kenta Murayama3, Kentaro Kutsukake1,2, Toru Ujihara1,2, Shunta Harada1,2 (1. Graduate School of Engineering, Nagoya University, Japan, 2. Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Japan, 3. Mipox Corporation, Japan)
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