An Overview of High-k Oxides on Hydrogenated-Diamond for Metal-Oxide-Semiconductor Capacitors and Field-Effect Transistors

by Jiangwei Liu, Yasuo Koide
Published 2018-06-01

Influence of surface structure of (0001) sapphire substrate on the elimination of small-angle grain boundary in AlN epilayer

by Ryan G. Banal, Masataka Imura, Yasuo Koide
Published 2015-09-01

Surface potential imaging and characterizations of a GaN p-n junction with Kelvin probe force microscopy

by Tomonori Nakamura, Nobuyuki Ishida, Keisuke Sagisaka, Yasuo Koide
Published 2020-08-01

High Current Output Hydrogenated Diamond Triple-Gate MOSFETs

by Jiangwei Liu, Hirotaka Ohsato, Bo Da, Yasuo Koide
Published 2019-01-01

Vertical-Type Ni/GaN UV Photodetectors Fabricated on Free-Standing GaN Substrates

by Bing Ren, Meiyong Liao, Masatomo Sumiya, Jian Huang, Linjun Wang, Yasuo Koide, Liwen Sang
Published 2019-07-01

Investigation of Al2O3/GaN interface properties by sub-bandgap photo-assisted capacitance-voltage technique

by Yoshihiro Irokawa, Toshihide Nabatame, Kazuya Yuge, Akira Uedono, Akihiko Ohi, Naoki Ikeda, Yasuo Koide
Published 2019-08-01

Reliable Ohmic Contact Properties for Ni/Hydrogen-Terminated Diamond at Annealing Temperature up to 900 °C

by Xiaolu Yuan, Jiangwei Liu, Jinlong Liu, Junjun Wei, Bo Da, Chengming Li, Yasuo Koide
Published 2021-04-01

The electric double layer effect and its strong suppression at Li+ solid electrolyte/hydrogenated diamond interfaces

by Takashi Tsuchiya, Makoto Takayanagi, Kazutaka Mitsuishi, Masataka Imura, Shigenori Ueda, Yasuo Koide, Tohru Higuchi, Kazuya Terabe
Published 2021-08-01

Thermal stability investigation for Ohmic contact properties of Pt, Au, and Pd electrodes on the same hydrogen-terminated diamond

by Xiaolu Yuan, Jiangwei Liu, Siwu Shao, Jinlong Liu, Junjun Wei, Bo Da, Chengming Li, Yasuo Koide
Published 2020-05-01

Comparative Analysis of Defects in Mg-Implanted and Mg-Doped GaN Layers on Freestanding GaN Substrates

by Ashutosh Kumar, Kazutaka Mitsuishi, Toru Hara, Koji Kimoto, Yoshihiro Irokawa, Toshihide Nabatame, Shinya Takashima, Katsunori Ueno, Masaharu Edo, Yasuo Koide
Published 2018-12-01

Evaluation of lattice curvature and crystalline homogeneity for 2-inch GaN homo-epitaxial layer

by Okkyun Seo, Jae Myung Kim, Chulho Song, Yanfang Lou, L. S. R. Kumara, Satoshi Hiroi, Yanna Chen, Yoshio Katsuya, Yoshihiro Irokawa, Toshihide Nabatame, Yasuo Koide, Osami Sakata
Published 2018-07-01

Coupling of magneto-strictive FeGa film with single-crystal diamond MEMS resonator for high-reliability magnetic sensing at high temperatures

by Zilong Zhang, Yuanzhao Wu, Liwen Sang, Haihua Wu, Jian Huang, Linjun Wang, Yukiko Takahashi, Runwei Li, Satoshi Koizumi, Masaya Toda, Indianto Mohammad Akita, Yasuo Koide, Meiyong Liao
Published 2020-05-01