Masatomo Sumiya: search on Z-Library

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1

Insight into traps at Al2O3/p-GaN metal-oxide-semiconductor interface fabricated on free-standing GaN substrate

Sang, Liwen, Ren, Bing, Nabatame, Toshihide, Sumiya, Masatomo, Liao, Meiyong

Journal:

Journal of Alloys and Compounds

Year:

2021

File:

PDF, 1.60 MB

2021

2

Direct Carbothermic Silica Reduction from Purified Silica to Solar-Grade Silicon

Itaka, Kenji, Ogasawara, Takuya, Boucetta, Abderahmane, Benioub, Rabie, Sumiya, Masatomo, Hashimoto, Takuya, Koinuma, Hideomi, Furuya, Yasubumi

Journal:

Journal of Physics Conference Series

Year:

2015

Language:

english

File:

PDF, 1.02 MB

english, 2015

3

P-Channel InGaN/GaN heterostructure metal-oxide-semiconductor field effect transistor based on polarization-induced two-dimensional hole gas

Zhang, Kexiong, Sumiya, Masatomo, Liao, Meiyong, Koide, Yasuo, Sang, Liwen

Journal:

Scientific Reports

Year:

2016

Language:

english

File:

PDF, 1.11 MB

english, 2016

4

Fabrication of Cu 2 ZnSnS 4 thin films using a Cu-Zn-Sn-O amorphous precursor and supercritical fluid sulfurization

Nakayasu, Yuta, Tomai, Takaaki, Oka, Nobuto, Shojiki, Kanako, Kuboya, Shigeyuki, Katayama, Ryuji, Sang, Liwen, Sumiya, Masatomo, Honma, Itaru

Journal:

Thin Solid Films

Year:

2017

Language:

english

File:

PDF, 1.06 MB

english, 2017

5

Development of a new laser heating system for thin film growth by chemical vapor deposition

Fujimoto, Eiji, Sumiya, Masatomo, Ohnishi, Tsuyoshi, Lippmaa, Mikk, Takeguchi, Masaki, Koinuma, Hideomi, Matsumoto, Yuji

Journal:

Review of Scientific Instruments

Year:

2012

Language:

english

File:

PDF, 1.35 MB

english, 2012

6

Enhanced performance of InGaN solar cell by using a super-thin AlN interlayer

Sang, Liwen, Liao, Meiyong, Ikeda, Naoki, Koide, Yasuo, Sumiya, Masatomo

Journal:

Applied Physics Letters

Year:

2011

Language:

english

File:

PDF, 761 KB

english, 2011

7

Fabrication of transparent conducting polymer/GaN Schottky junction for deep level defect evaluation under light irradiation

Lozac'h, Mickaël, Nakano, Yoshitaka, Sang, Liwen, Sakoda, Kazuaki, Sumiya, Masatomo

Journal:

phys stat sol (a)

Year:

2013

Language:

english

File:

PDF, 731 KB

english, 2013

8

Reduction of nonradiative recombination center for ZnO films grown under Zn-rich conditions by metal organic chemical vapor deposition

Fujimoto, Eiji, Watanabe, Kenji, Matsumoto, Yuji., Koinuma, Hideomi, Sumiya, Masatomo

Journal:

Applied Physics Letters

Year:

2010

Language:

english

File:

PDF, 365 KB

english, 2010

9

In-Situ Rheed Observation of Mocvd-Gan Film Growth

Sumiya, Masatomo, Ogusu, Noritaka, Osada, Kouhei, Fuke, Shunro

Journal:

MRS Proceedings

Year:

2001

Language:

english

File:

PDF, 748 KB

english, 2001

10

High-temperature ultraviolet detection based on InGaN Schottky photodiodes

Sang, Liwen, Liao, Meiyong, Koide, Yasuo, Sumiya, Masatomo

Journal:

Applied Physics Letters

Year:

2011

Language:

english

File:

PDF, 1013 KB

english, 2011

11

A Comprehensive Review of Semiconductor Ultraviolet Photodetectors: From Thin Film to One-Dimensional Nanostructures

Sang, Liwen, Liao, Meiyong, Sumiya, Masatomo

Journal:

Year:

2013

Language:

english

File:

PDF, 1.41 MB

english, 2013

12

Dynamic Observation and Theoretical Analysis of Initial O 2 Molecule Adsorption on Polar and m -Plane Surfaces of GaN

Sumiya, Masatomo, Sumita, Masato, Asai, Yuya, Tamura, Ryo, Uedono, Akira, Yoshigoe, Akitaka

Journal:

The Journal of Physical Chemistry C

Year:

2020

File:

PDF, 2.74 MB

2020

13

Optically active vacancies in GaN grown on Si substrates probed using a monoenergetic positron beam

Uedono, Akira, Fujishima, Tatsuya, Cao, Yu, Zhang, Yang, Yoshihara, Nakaaki, Ishibashi, Shoji, Sumiya, Masatomo, Laboutin, Oleg, Johnson, Wayne, Palacios, Tomás

Journal:

Applied Physics Letters

Year:

2014

Language:

english

File:

PDF, 913 KB

english, 2014

14

Fabrication and hard X-ray photoemission analysis of photocathodes with sharp solar-blind sensitivity using AlGaN films grown on Si substrates

Masatomo Sumiya, Yutaro Kamo, Naoki. Ohashi, Masaki Takeguchi, Yoon-Uk Heo, Hideki Yoshikawa, Shigenori Ueda, Keisuke Kobayashi, Tokuaki Nihashi, Minoru Hagino, Takayuki Nakano, Shunro Fuke

Journal:

Applied Surface Science

Year:

2010

Language:

english

File:

PDF, 318 KB

english, 2010

15

Analysis of polar direction of AlN grown on (0001) sapphire and 6H-SiC substrates by high-temperature metal-organic vapor phase epitaxy using coaxial impact collision ion scattering spectroscopy

Masataka Imura, Tsuyoshi Ohnishi, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Hiroshi Amano, Mikk Lippmaa

Journal:

physica status solidi (c)

Year:

2010

Language:

english

File:

PDF, 109 KB

english, 2010

16

Phase Separation Resulting from Mg Doping in p-InGaN Film Grown on GaN/Sapphire Template

Sang, Liwen, Takeguchi, Masaki, Lee, Woong, Nakayama, Yoshiko, Lozac'h, Mickael, Sekiguchi, Takashi, Sumiya, Masatomo

Journal:

Applied Physics Express

Year:

2010

Language:

english

File:

PDF, 3.17 MB

english, 2010

17

Cathodoluminescence study of optical properties along the growth direction of ZnO films on GaN substrate

Wang, Jianyu, Harada, Yoshitomo, Sumiya, Masatomo, Shi, Yi, Sekiguchi, Takashi

Journal:

Physica status solidi

Year:

2015

Language:

english

File:

PDF, 1.83 MB

english, 2015

18

Front Cover: Fabrication of transparent conducting polymer/GaN Schottky junction for deep level defect evaluation under light irradiation (Phys. Status Solidi A 3/20123)

Lozac'h, Mickaël, Nakano, Yoshitaka, Sang, Liwen, Sakoda, Kazuaki, Sumiya, Masatomo

Journal:

phys stat sol (a)

Year:

2013

File:

PDF, 37.26 MB

2013

19

Electrical hysteresis in p-GaN metal–oxide–semiconductor capacitor with atomic-layer-deposited Al 2 O 3 as gate dielectric

Zhang, Kexiong, Liao, Meiyong, Imura, Masataka, Nabatame, Toshihide, Ohi, Akihiko, Sumiya, Masatomo, Koide, Yasuo, Sang, Liwen

Journal:

Applied Physics Express

Year:

2016

Language:

english

File:

PDF, 1.32 MB

english, 2016

20

In situ optical diagnosis on hydrogenated amorphous silicon grown by vibration superimposed plasma chemical vapor deposition

Naito, Nobuo, Takano, Akihiro, Sumiya, Masatomo, Kawasaki, Masashi, Koinuma, Hideomi

Journal:

Applied Physics Letters

Year:

1995

Language:

english

File:

PDF, 329 KB

english, 1995

21

Electrical Characterization of Thick InGaN Films for Photovoltaic Applications

Nakano, Yoshitaka, Sang, Liwen, Sumiya, Masatomo

Journal:

MRS Proceedings

Year:

2014

File:

PDF, 495 KB

2014

22

Suppression in the electrical hysteresis by using CaF 2 dielectric layer for p-GaN MIS capacitors

Sang, Liwen, Ren, Bing, Liao, Meiyong, Koide, Yasuo, Sumiya, Masatomo

Journal:

Journal of Applied Physics

Year:

2018

Language:

english

File:

PDF, 2.40 MB

english, 2018

23

Terahertz Cyclotron Resonance in AlGaN/GaN Heterostructures

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

Journal:

Journal of the Korean Physical Society

Year:

2019

File:

PDF, 228 KB

2019

24

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

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

Journal:

physica status solidi (b)

Year:

2019

File:

PDF, 885 KB

2019

25

Electrical characterization of n -GaN epilayers using transparent polyaniline Schottky contacts

Yoshitaka Nakano, Nobuyuki Matsuki, Yoshihiro Irokawa, Masatomo Sumiya

Journal:

physica status solidi (c)

Year:

2010

Language:

english

File:

PDF, 157 KB

english, 2010

26

Deep-Level Characterization of Free-Standing HVPE-grown GaN Substrates Using Transparent Conductive Polyaniline Schottky Contacts

Nakano, Yoshitaka, Matsuki, Nobuyuki, Lozac’h, Mickael, Sakoda, Kazuaki, Sumiya, Masatomo

Journal:

MRS Proceedings

Year:

2011

Language:

english

File:

PDF, 706 KB

english, 2011

27

Improvement of strained InGaN solar cell performance with a heavily doped n + -GaN substrate

Sumiya, Masatomo, Honda, Tohru, Sang, Liwen, Nakano, Yoshitaka, Watanabe, Kenji, Hasegawa, Fumio

Journal:

physica status solidi (a)

Year:

2015

Language:

english

File:

PDF, 660 KB

english, 2015

28

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

Okamoto, Yuji, Sumiya, Masatomo, Suzuki, Yoshikazu

Journal:

ACS Applied Energy Materials

Year:

2019

File:

PDF, 1.34 MB

2019

29

Epitaxial Growth of GaN Film on (La,Sr)(Al,Ta)O 3 (111) Substrate by Metalorganic Chemical Vapor Deposition

Sumiya, Masatomo, Chikyow, Toyohiro, Sasahara, Takayuki, Yoshimura, Katsuhiko, Ohta, Jitsuo, Fujioka, Hiroshi, Tagaya, Sumiyoshi, Ikeya, Hirofumi, Koinuma, Hideomi, Fuke, Shunro

Journal:

Japanese Journal of Applied Physics

Year:

2002

Language:

english

File:

PDF, 413 KB

english, 2002

30

Reduced Defect Densities in Cubic GaN Epilayers with AlGaN/GaN Superlattice Underlayers Grown on (001) GaAs Substrates by Metalorganic Vapor Phase Epitaxy

Sugiyama, Mutsumi, Nosaka, Taiki, Suzuki, Tomonori, Koida, Takashi, Nakajima, Kiyomi, Aoyama, Toyomi, Sumiya, Masatomo, Chikyow, Toyohiro, Uedono, Akira, Chichibu, Shigefusa F.

Journal:

Japanese Journal of Applied Physics

Year:

2004

Language:

english

File:

PDF, 199 KB

english, 2004

31

(Invited) Vacancy-Type Defects and Their Carrier Trapping Properties in GaN Studied by Monoenergetic Positron Beams

Uedono, Akira, Tanaka, Taketoshi, Ito, Norikazu, Nakahara, Ken, Egger, Werner, Hugenschmidt, Christoph, Ishibashi, Shoji, Sumiya, Masatomo

Journal:

ECS Transactions

Year:

2018

Language:

english

File:

PDF, 625 KB

english, 2018

32

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

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

Journal:

Applied Physics Letters

Year:

2019

Language:

english

File:

PDF, 2.32 MB

english, 2019

33

Annealing behaviors of vacancy-type defects near interfaces between metal contacts and GaN probed using a monoenergetic positron beam

Uedono, Akira, Fujishima, Tatsuya, Piedra, Daniel, Yoshihara, Nakaaki, Ishibashi, Shoji, Sumiya, Masatomo, Laboutin, Oleg, Johnson, Wayne, Palacios, Tomás

Journal:

Applied Physics Letters

Year:

2014

Language:

english

File:

PDF, 818 KB

english, 2014

34

Deep-level defects and turn-on capacitance recovery characteristics in AlGaN/GaN heterostructures

Nakano, Yoshitaka, Irokawa, Yoshihiro, Sumiya, Masatomo

Journal:

Philosophical Magazine Letters

Year:

2015

Language:

english

File:

PDF, 515 KB

english, 2015

35

Vacancy-type defects in bulk GaN grown by the Na-flux method probed using positron annihilation

Uedono, Akira, Imanishi, Masayuki, Imade, Mamoru, Yoshimura, Masashi, Ishibashi, Shoji, Sumiya, Masatomo, Mori, Yusuke

Journal:

Journal of Crystal Growth

Year:

2017

Language:

english

File:

PDF, 786 KB

english, 2017

36

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

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

Journal:

Journal of Physics D Applied Physics

Year:

2019

Language:

english

File:

PDF, 1.64 MB

english, 2019

37

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

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

Journal:

Journal of Alloys and Compounds

Year:

2020

File:

PDF, 1.03 MB

2020

38

HETEROINTERFACE PROPERTIES OF NOVEL HYBRID SOLAR CELLS CONSISTING OF TRANSPARENT CONDUCTIVE POLYMERS AND III-NITRIDE SEMICONDUCTOR

MATSUKI, NOBUYUKI, NAKANO, YOSHITAKA, IROKAWA, YOSHIHIRO, SUMIYA, MASATOMO

Journal:

Journal of Nonlinear Optical Physics & Materials

Year:

2010

Language:

english

File:

PDF, 421 KB

english, 2010

39

Communication: The reason why +c ZnO surface is less stable than −c ZnO surface: First-principles calculation

Ito, Seitaro, Shimazaki, Tomomi, Kubo, Momoji, Koinuma, Hideomi, Sumiya, Masatomo

Journal:

The Journal of Chemical Physics

Year:

2011

Language:

english

File:

PDF, 699 KB

english, 2011

40

Influence of dislocations on indium diffusion in semi-polar InGaN/GaN heterostructures

Yin, Yao, Sun, Huabin, Sang, Liwen, Chen, Peng, Zheng, Youdou, Dierre, Benjamin, Sumiya, Masatomo, Shi, Yi, Sekiguchi, Takashi

Journal:

Year:

2015

Language:

english

File:

PDF, 3.82 MB

english, 2015

41

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

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

Journal:

physica status solidi (b)

Year:

2019

Language:

english

File:

PDF, 885 KB

english, 2019

42

Effect of treatments of sapphire substrate on growth of GaN film

Masatomo Sumiya, Shunro Fuke

Journal:

Applied Surface Science

Year:

2005

Language:

english

File:

PDF, 113 KB

english, 2005

43

N-polarity GaN on sapphire substrate grown by MOVPE

Takashi Matsuoka, Yasuyuki Kobayashi, Hiroko Takahata, Toshitugu Mitate, Seiichiro Mizuno, Atsushi Sasaki, Mamoru Yoshimoto, Tuyoshi Ohnishi, Masatomo Sumiya

Journal:

physica status solidi (b)

Year:

2006

Language:

english

File:

PDF, 325 KB

english, 2006

44

Temperature and Light Intensity Dependence of Photocurrent Transport Mechanisms in InGaN p–i–n Homojunction Solar Cells

Sang, Liwen, Liao, Meiyong, Koide, Yasuo, Sumiya, Masatomo

Journal:

Japanese Journal of Applied Physics

Year:

2013

Language:

english

File:

PDF, 543 KB

english, 2013

45

Deep-Level Characterization of n-GaN Epitaxial Layers Using Transparent Conductive Polyaniline Schottky Contacts

Nakano, Yoshitaka, Matsuki, Nobuyuki, Irokawa, Yoshihiro, Sumiya, Masatomo

Journal:

Japanese Journal of Applied Physics

Year:

2011

Language:

english

File:

PDF, 784 KB

english, 2011

46

Effect of hydrogen radical on decomposition of chlorosilane source gases

Sumiya, Masatomo, Akizuki, Tomohiro, Itaka, Kenji, Kubota, Makoto, Tsubouchi, Kenta, Ishigaki, Takamasa, Koinuma, Hideomi

Journal:

Journal of Physics Conference Series

Year:

2013

Language:

english

File:

PDF, 1.72 MB

english, 2013

47

Deep-level defects related to the emissive pits in thick InGaN films on GaN template and bulk substrates

Sumiya, Masatomo, Toyomitsu, Naoki, Nakano, Yoshitaka, Wang, Jianyu, Harada, Yoshitomo, Sang, Liwen, Sekiguchi, Takashi, Yamaguchi, Tomohiro, Honda, Tohru

Journal:

Year:

2017

Language:

english

File:

PDF, 13.05 MB

english, 2017

48

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

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

Journal:

Applied Sciences

Year:

2019

Language:

english

File:

PDF, 3.14 MB

english, 2019

49

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

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

Journal:

physica status solidi (a)

Year:

2019

Language:

english

File:

PDF, 1012 KB

english, 2019

50

Photo-catalysis effect of III-V nitride film

Masatomo Sumiya, Keisuke Ohara, Takeo Ohsawa, Yu. Kawai, Masato Shirai, Shunro Fuke, Hideomi Koinuma, Yuji Matsumoto

Journal:

physica status solidi (c)

Year:

2007

Language:

english

File:

PDF, 164 KB

english, 2007

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