Index Catalog // MDR

Description/Abstract:: Position-dependent three-dimensional reciprocal space mapping (RSM) by nanobeam x-ray diffraction (nanoXRD) was performed to reveal the ...
Keyword:: Dislocation, GaN, and SPring-8
Resource Type:: Article
Author:: T. Hamachi, T. Tohei, Y. Hayashi, S. Usami, M. Imanishi, Y. Mori, K. Sumitani, Y. Imai, S. Kimura, and A. Sakai
Journal:: Journal of Applied Physics
Date Uploaded:: 04/12/2024

Description/Abstract:: We report a simple and effective method for improving dielectric/GaN interface properties. In the process, a 5 nm-thick SiO2 layer was de...
Keyword:: GaN
Resource Type:: Article
Author:: Yoshihiro Irokawa, Toshihide Nabatame, Tomomi Sawada, Manami Miyamoto, Hiromi Miura, Kazuhito Tsukagoshi, and Yasuo Koide
Journal:: ECS Journal of Solid State Science and Technology
Date Uploaded:: 02/09/2024

Description/Abstract:: We investigated the material stability of a vertical GaN Schottky barrier diode (SBD) against proton irradiations by making real-time mea...
Keyword:: GaN, MOCVD, Proton, Radiation irradiations , Schottky barrier diode, Vertical-type PN junction diode, and Xe
Resource Type:: Article
Author:: Hironori Okumura, Yohei Ogawara, Manabu Togawa, Masaya Miyahara, Tadaaki Isobe, Kosuke Itabashi, Jiro Nishinaga, and Masataka Imura
Journal:: Japanese Journal of Applied Physics
Date Uploaded:: 23/08/2024

Description/Abstract:: GaN mesas were fabricated by sequential dry and wet etching of a +c-oriented GaN layer onto a lattice-matched AlInN layer for future appl...
Keyword:: AlInN, GaN, etching, and positive bevel edge termination
Resource Type:: Article
Author:: Takayoshi Oshima, Masataka Imura, and Yuichi Oshima
Journal:: Applied Physics Express
Date Uploaded:: 02/08/2024

Description/Abstract:: Magnetoresistance (MR) of two-dimensional hole gas (2DHG) samples fabricated from GaN/AlxGa1-xN/GaN (x =0.2–0.25) double hetero- structur...
Keyword:: Double Heterostructures, GaN, Hole gas, Magnetoresistance, and Spin-Orbit coupling
Resource Type:: Article
Author:: S. Yamada, A. Fujimoto, S. Yagi, H. Narui, E. Yamaguchi, and Y. Imanaka
Journal:: Applied Physics Letters
Date Uploaded:: 12/07/2024

Description/Abstract:: アモルファスと液体状態のTEM像を種々のフォーカスでシミュレーションによって作成し、それらをパーシステントホモロジーと機械学習を用いて識別可能か検討を行った。その結果、実効的なフォーカス範囲において正答率が85%以上であったことを報告する。
Keyword:: Amorphous structure, GaN, TEM image simulation, and persistent homology
Resource Type:: Article
Author:: Fumihiko Uesugi and Masashi Ishii
Journal:: Microscopy
Date Uploaded:: 04/07/2024

Description/Abstract:: For rooting the development of GaN-based optoelectronic devices, understanding the roles of midgap recombination centers (MGRCs), namely ...
Keyword:: GaN
Resource Type:: Article
Author:: Shigefusa F. Chichibu, Kohei Shima, Akira Uedono, Shoji Ishibashi, Hiroko Iguchi, Tetsuo Narita, Keita Kataoka, Ryo Tanaka, Shinya Takashima, Katsunori Ueno, Masaharu Edo, Hirotaka Watanabe, Atsushi Tanaka, Yoshio Honda, Jun Suda, Hiroshi Amano, Tetsu Kachi, Toshihide Nabatame, Yoshihiro Irokawa, and Yasuo Koide
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 09/05/2024

Description/Abstract:: Changes in the hydrogen-induced Schottky barrier height (ΦB) of Pt/GaN rectifiers fabricated on free-standing GaN substrates were investi...
Keyword:: GaN, Schottky barrier height, and hydrogen
Resource Type:: Article
Author:: 色川芳宏, 大井暁彦, 生田目俊秀, and 小出康夫
Journal:: ECS Journal of Solid State Science and Technology
Date Uploaded:: 10/04/2024

Description/Abstract:: Enhancement of energy resolution due to evolution of monochromators has made electron energy loss spectroscopy (EELS) in transmission ele...
Keyword:: 4D-STEM, ABF-STEM, EELS, GaN, HAADF-STEM, HAXPES, and defect
Resource Type:: Article
Author:: Shunsuke Yamashita, Sei Fukushima, Jun Kikkawa, Ryoji Arai, Yuya Kanitani, Koji Kimoto, and Yoshihiro Kudo
Journal:: APL Materials
Date Uploaded:: 19/03/2024

Description/Abstract:: Ab-initio phonon calculation for GaN / F-43m (216) Phonon band structure, phonon DOS, thermal properties at constant volume, and phonon r...
Keyword:: F-43m (216), GaN, and Phonon
Resource Type:: Dataset
Data origin:: simulation
Author:: Atsushi Togo
Date Uploaded:: 25/05/2023

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