10 records found.
Effect of strain-induced defects in GaN channel on two-dimensional carrier transport in AlGaN/GaN heterostructures
- Journal article
- Creator
-
Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
;
Yasutaka Imanaka (author) (Search by this author)National Institute for Materials Science
;
Yoshitaka Nakano (author) (Search by this author) - Keyword
- AlGaN/GaN heterostructure, two-dimensional electron gas
- Date published
- 2025-09-08
- Updated at
- 2025-09-17 16:30:34 +0900
Fabrication of AlGaN/GaN heterostructures on halide vapor phase epitaxy AlN/SiC templates for high electron mobility transistor application
- Journal article
- Creator
-
Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
;
;Osamu Goto (author) (Search by this author);Yuki Takahara (author) (Search by this author)Yasutaka Imanaka (author) (Search by this author)National Institute for Materials Science
;
Liwen Sang (author) (Search by this author)National Institute for Materials Science
;
;Noboru Fukuhara (author) (Search by this author);Taichiro Konno (author) (Search by this author);Fumimasa Horikiri (author) (Search by this author);Takeshi Kimura (author) (Search by this author);Akira Uedono (author) (Search by this author)Hajime Fujikura (author) (Search by this author)
- Keyword
- HEMT, III-V nitride semiconductor, heterointerface
- Date published
- 2023-08-01
- Updated at
- 2024-12-10 16:56:26 +0900
Characterization of wide-gap semiconductors by photothermal deflection spectroscopy
- Journal article
- Creator
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Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
- Keyword
- III-V nitride semiconductor, photothermal deflection spectroscopy, defect
- Date published
- 2023-11-01
- Updated at
- 2024-12-10 16:56:31 +0900
Influence of thin MOCVD-grown GaN layer on underlying AlN template
- Journal article
- Creator
-
Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
;
;Kiyotaka Fukuda (author) (Search by this author)National Institute for Materials Science;Shuhei Yasiro (author) (Search by this author)Tohru Honda (author) (Search by this author)
- Keyword
- GaN film growth, AlN template
- Date published
- 2019-11-27
- Updated at
- 2024-12-10 16:56:42 +0900
Evaluation of defect density in bulk gallium nitrides by photothermal deflection spectroscopy and steady-state photocapacitance methods
- Journal article
- Creator
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Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
;
;Hajime Fujikura (author) (Search by this author);Yoshitaka Nakano (author) (Search by this author);Shuhei Yashiro (author) (Search by this author)Yasuo Koide (author) (Search by this author)National Institute for Materials Science
;
Tohru Honda (author) (Search by this author)
- Keyword
- GaN bulk, defect level, photothermal deflection spectroscopy
- Date published
- 2024-04-06
- Updated at
- 2024-08-26 13:22:37 +0900
XPS spectral data for p- and n-type Si wafers with various resistivities acquired at SPring-8 BL15
- Dataset
- Creator
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SUMIYA, Masatomo (author) (Search by this author)National Institute for Materials Science
- Keyword
- XPS, SPring-8 BL15, Si
- Date published
- Updated at
- 2024-05-24 08:30:24 +0900
High-pressure MOCVD growth of InGaN thick films toward the photovoltaic applications
- Journal article
- Creator
-
Liwen Sang (author) (Search by this author)National Institute for Materials Science
;
Meiyong Liao (author) (Search by this author)National Institute for Materials Science
;
Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
;
;Xuelin Yang (author) (Search by this author)Bo Shen (author) (Search by this author)
- Keyword
- High-pressure, MOCVD, InGaN
- Date published
- 2021-12-01
- Updated at
- 2024-12-17 16:30:45 +0900
A Comprehensive Review of Semiconductor Ultraviolet Photodetectors: From Thin Film to One-Dimensional Nanostructures
- Journal article
- Creator
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Liwen Sang (author) (Search by this author)National Institute for Materials Science
;
Meiyong Liao (author) (Search by this author)National Institute for Materials Science
;
Masatomo Sumiya (author) (Search by this author)National Institute for Materials Science
- Keyword
- ultraviolet photodetector, semiconductor, thin film, one-dimensional nanostructures
- Date published
- 2013-08-13
- Updated at
- 2024-01-05 22:12:01 +0900
Continuous real-time O 1s core XPS spectra of H2O adsorption on +c Ga-face and m-plane surfaces of GaN
- Dataset
- Creator
-
SUMIYA, Masatomo (author) (Search by this author)National Institute for Materials Science
- Keyword
- GaN, Gallium nitride, Surface oxidation, Oxidation, MOS structure, XPS, SPring-8
- Date published
- 2022-12-31
- Updated at
- 2024-01-05 22:11:14 +0900
Continuous real-time O 1s core XPS spectra of initial O2 molecule adsorption on polar and m-plane surfaces of GaN
- Dataset
- Creator
-
SUMIYA, Masatomo (author) (Search by this author)National Institute for Materials Science
- Keyword
- GaN, Gallium nitride, Oxidation, Adsorption, XPS, SPring-8
- Date published
- 2020-11-19
- Updated at
- 2024-01-05 22:13:22 +0900