Masatomo Sumiya

Department of Electrical and Electronic Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432-8561, Japan

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Effective silicon production from SiCl 4 source using hydrogen radicals generated and transported at atmospheric pressure

Yuji Okamoto,Masatomo Sumiya, Yuya Nakamura,Yoshikazu Suzuki

Science and technology of advanced materials, no. 1 (2020): 482-491

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Layered boron nitride enabling high-performance AlGaN/GaN high electron mobility transistor

Bing Ren,Meiyong Liao,Masatomo Sumiya, Jian Li, Lei Wang,Xinke Liu,Yasuo Koide,Liwen Sang

Journal of Alloys and Compounds, (2020): 154542

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Variation of AlN template during the growth of InGaN/GaN hetero structure

Masatomo Sumiya, Yuki Takahara, Shuhei Yashiro,Tohru Honda, Dickerson Kindole,Kanji Takehana, Yasutaka Imanaka,Akira Uedono

The Japan Society of Applied Physics, (2020)

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Strain-enhanced high Q -factor GaN micro-electromechanical resonator

Liwen Sang,Meiyong Liao,Xuelin Yang, Huanying Sun, Jie Zhang,Masatomo Sumiya,Bo Shen

Science and technology of advanced materials, no. 1 (2020): 515-523

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MOCVD Growth and Investigation of InGaN/GaN Heterostructure Grown on AlGaN/GaN-on-Si Template

Haruka Matsuura,Takeyoshi Onuma,Masatomo Sumiya,Tomohiro Yamaguchi,Bing Ren,Meiyong Liao,Tohru Honda,Liwen Sang

Applied Sciences, no. 9 (2019): 1746

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High-quality SiN x /p-GaN metal-insulator-semiconductor interface with low-density trap states

Bing Ren,Meiyong Liao,Masatomo Sumiya, Jin Su,Xinke Liu,Yasuo Koide,Liwen Sang

Journal of Physics D, no. 8 (2019): 085105

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Boosting the doping efficiency of Mg in p-GaN grown on the free-standing GaN substrates

Liwen Sang,Bing Ren, Raimu Endo,Takuya Masuda, Hideyuki Yasufuku,Meiyong Liao,Toshihide Nabatame,Masatomo Sumiya,Yasuo Koide

Applied Physics Letters, no. 17 (2019): 172103

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Perovskite Solar Cells with > 19% Efficiency Achieved by an Advanced Three-Step Method Using Additional HC(NH2)(2)I-Nal Spin-Coating

Yuji Okamoto,Masatomo Sumiya,Yoshikazu Suzuki

ACS APPLIED ENERGY MATERIALS, no. 3 (2019): 1823-1831

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Structural disorder and in-gap states of Mg-implanted GaN films evaluated by photothermal deflection spectroscopy

M. Sumiya,K. Fukuda,S. Takashima,S. Ueda,T. Onuma,T. Yamaguchi,T. Honda,A. Uedono

Journal of Crystal Growth, (2019): 15-18

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Evaluation of III-V nitride layers grown homo-epitaxially on GaN bulks by photothermal deflection spectroscopy

Kiyotaka Fukuda, Shuhei Yashiro,Hajime Fujikura, Taichiro Konno,Takayuki Suzuki, Tetsuji Fujimoto,Takehiro Yoshida,Takeyoshi Onuma,Tomohiro Yamaguchi,Tohru Honda,Masatomo Sumiya

The Japan Society of Applied Physics, (2019)

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Influence of thin MOCVD-grown GaN layer on underlying AlN template

Masatomo Sumiya, Kiyotaka Fukuda, Shuhei Yasiro,Tohru Honda

Journal of Crystal Growth, (2019): 125376

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Growth of AlGaN/InGaN/GaN Heterostructure on AlN Template/Sapphire

Masatomo Sumiya, Dickson Kindole, Kiyotaka Fukuda, Shuhei Yashiro,Kanji Takehana,Tohru Honda, Yasutaka Imanaka

pp.1900524 (2019)

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Terahertz Cyclotron Resonance in AlGaN/GaN Heterostructures

Dickson Kindole, Dickson Kindole, Yasutaka Imanaka, Yasutaka Imanaka,Kanji Takehana,Liwen Sang,Masatomo Sumiya

Journal of the Korean Physical Society, no. 2 (2019): 159-163

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Growth of InGaN films on hardness-controlled bulk GaN substrates

Masatomo Sumiya, Kiyotaka Fukuda,Hajime Fujikura, Taichiro Konno, Takayuki Suzuki, Tetsuji Fujimoto,Takehiro Yoshida,Shigenori Ueda, Kenji Watanabe,Tsuyoshi Ohnishi,Tohru Honda

Applied Physics Letters, no. 17 (2019): 172102

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Growth of AlGaN/InGaN hetero structure grown on AlN template for cyclotron resonance measurement

Masatomo Sumiya, Kiyotaka Fukuda, Shuhei Yashiro, Toru Honda, Dickson Kindole,Kanji Takehana, Yasutaka Imanaka

The Japan Society of Applied Physics, (2019)

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Effective Mass in InGaN two-dimensional electron systems

Yasutaka Imanaka, Dickson Kindole,Kanji Takehana,Masatomo Sumiya

The Japan Society of Applied Physics, (2019)

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

Bing Ren,Meiyong Liao,Masatomo Sumiya,Jian Huang,Linjun Wang,Yasuo Koide,Liwen Sang

Applied Sciences, no. 14 (2019): 2895

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Near‐Surface [Ga]/([In]+[Ga]) Composition in Cu(In,Ga)Se 2 Thin‐Film Solar Cell Absorbers: An Overlooked Material Feature

Roberto Félix,Wolfram Witte,Dimitrios Hariskos, Stefan Paetel,Michael Powalla, Mickael Lozac'h,Shigenori Ueda,Masatomo Sumiya,Hideki Yoshikawa,Keisuke Kobayashi,Wanli Yang, Regan G. Wilks

Physica Status Solidi (a), (2019)

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Determination of the transition point from electron accumulation to depletion at the surface of In x Ga1− x N films

Xiaoxiao Sun,Xinqiang Wang, Shitao Liu,Ping Wang, Ding Wang,Xiantong Zheng,Liwen Sang,Masatomo Sumiya,Shigenori Ueda, Mo Li,Jian Zhang,Weikun Ge

Applied Physics Express, no. 2 (2018): 021001

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Evaluation of valence band structure and gap states for III-V nitrides

Masatomo Sumiya, Kiyotaka Fukuda,Shigenori Ueda, Yuya Asai,Yujin Cho, Takafumi Sekiguchi,Akira Uedono, Onuma Takeyoshi,Liwen Sang,Tomohiro Yamaguchi, Toru Honda

The Japan Society of Applied Physics, (2018)

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Papers164 papers

Masatomo Sumiya