Graduating School 【 display / non-display 】

Graduating School

Graduate School 【 display / non-display 】

Graduate School

Degree 【 display / non-display 】

Degree

External Career 【 display / non-display 】

External Career

Academic Society Affiliations 【 display / non-display 】

Academic Society Affiliations

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display 】

Field of expertise (Grants-in-aid for Scientific Research classification)

Papers 【 display / non-display 】

Papers

• Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

  Takato Asada, Yoshihito Ichikawa, Masashi Kato

  Journal of Visualized Experiments   146   e59007   2019.04  [Refereed]  [Invited]

  Research paper (scientific journal)   Multiple Authorship

  

• Ultraviolet light induced electrical hysteresis effect in graphene-GaN heterojunction

  Ajinkya K. Ranade, Rakesh D. Mahyavanshi, Pradeep Desai, Masashi Kato, Masaki Tanemura, Golap Kalita

  Applied Physics Letters   114   151102   2019.04  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Impact of intrinsic defects on excitation dependent carrier lifetime in thick4H-SiC studied by complementing microwave photoconductivity, free-carrier absorption and time-resolved photoluminescence techniques

  Patrik Ščajev, Saulius Miasojedovas, Liudvikas Subačius, Kęstutis Jarašiūnas, Alexander V. Mazanik , Olga V. Korolik, Masashi Kato

  Journal of Luminescence   212   92 - 98   2019.04  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Observation of carrier recombination in single Shockley stacking faults and at partial dislocations in 4H-SiC

  Masashi Kato, Shinya Katahira, Yoshihito Ichikawa, Shunta Harada, and Tsunenobu Kimoto

  Journal of Applied Physics   124 ( 9 ) 095702   2018.09  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Passivation of surface recombination at the Si-face of 4H-SiC by acidic solutions

  Yoshihito Ichikawa, Masaya Ichimura, Tsunenobu Kimoto, Masashi Kato

  the ECS Journal of Solid State Science and Technology   7 ( 8 ) Q127 - Q130   2018.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Expansion of a single Shockley stacking fault in a 4H-SiC (1120) epitaxial layer caused by electron beam irradiation

  Yukari Ishikawa, Masaki Sudo, Yong-Zhao Yao, Yoshihiro Sugawara, Masashi Kato

  JOURNAL OF APPLIED PHYSICS   123   225101-1 - 225101-6   2018.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Increased expression level of Hsp70 in the inner ears of mice by exposure to low frequency noise

  Hiromasa Ninomiya, Nobutaka Ohgami, Reina Oshino, Masashi Kato, Kyoko Ohgami, Xiang Li, Dandan Shen, Machiko Iida, Ichiro Yajima, Charalampos E. Angelidis, Hiroaki Adachi, Masahisa Katsuno, Gen Sobue, Masashi Kato

  Hearing Research   363   49 - 54   2018.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

• Expansion of Basal Plane Dislocation in 4H-SiC Epitaxial Layer on A-Plane by Electron Beam Irradiation

  Masaki Sudo, Yukari Ishikawa, Yong Zhao Yao, Yoshihiro Sugawara, Masashi Kato

  Materials Science Forum   924   151 - 154   2018.06  [Refereed]

  Research paper (international conference proceedings)   Multiple Authorship

  

• Microscopic FCA System for Depth-Resolved Carrier Lifetime Measurement in SiC

  Shinichi Mae, Takeshi Tawara, Hidekazu Tsuchida, Masashi Kato

  Materials Science Forum   924   269 - 272   2018.06  [Refereed]

  Research paper (international conference proceedings)   Multiple Authorship

  

• Observations of Inhomogeneity of 3C-SiC Layers Grown on 6H-SiC Substrates Using Scanning Internal Photoemission Microscopy

  Kenji Shiojima, Naoki Mishina, Naoto Ichikawa, Masashi Kato

  Japanese Journal of Applied Physics   57   04FR06   2018.02  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

  

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Presentations 【 display / non-display 】

Presentations

• [9p-S321-7] Hydrogen generation by water splitting using TiO2 and 3C-SiC in tandem structure

  Zhenhang Liu、Masashi Kato

  2019年第66回応用物理学会春季学術講演会  2019.03  -  2019.03 

• Characterization and Suppression of Defects in Silicon Carbide Crystal for Power Semiconductors

  Masashi Kato  [Invited]

  Semiconductor Power Devices  (National Chiao-Tung University)  2018.12  -  2018.12  National Chiao-Tung University

• CR6-4 Analysis of slow decays in TR-PL signals from a GaN homoepitaxial layer

  Masashi Kato, Takato Asada, Kenji Ito, Kazuyoshi Tomita, Tetsuo Narita, Tetsu Kachi

  The International Workshop on Nitride Semiconductors 2018 (IWN 2018)  (The Ishikawa Ongakudo, the ANA Crowne Plaza Hotel Kanazawa, Japan)  2018.11  -  2018.11 

• IIB-25 Hydrogen generation by water Splitting using TiO2 and SiC in tandem structure

  LIU Zhenhang, Masashi Kato

  先進パワー半導体分科会第5回講演会  (京都テルサ)  2018.11  -  2018.11  公益社団法人　応用物理学会　先進パワー半導体分科会

• [C5-1] Carrier lifetime measurements for wide gap semiconductors SiC and GaN

  Masashi Kato

  EVS31 & EVTeC 2018  (Kobe Convention Center)  2018.09  -  2018.10 

• MO.04.01 Modeling Physical Properties of Single Shockley-type Stacking Fault in 4H-SiC PiN Diode

  K. Nakayama, T. Kimoto, M. Kato, Y. Yonezawa, H. Okumura

  European Conference on Silicon Carbide and Related Materials (ECSCRM 2018)  (The International Conference Centre, Birmingham, UK)  2018.09  -  2018.09 

• TH.03.03 Surface recombination velocity for non-polar faces of 4H-SiC

  M. Kato, X. Zhang, K. Kohama, M. Ichimura

  European Conference on Silicon Carbide and Related Materials (ECSCR 2018)  (The International Conference Centre, Birmingham, UK)  2018.09  -  2018.09 

• Carrier lifetime measurements for power semiconductor materials

  Masashi Kato  [Invited]

  the Collaborative Conference on Materials Research (CCMR) 2018  (Songdo Convensia, Korea)  2018.06  -  2018.06 

• 7C-3.4 Slow carrier recombination in a GaN epilayer grown on a GaN substrate

  Takato Asada, Kenji Ito, Kazuyoshi Tomita, Tetsuo Narita, Tetsu Kachi, Masashi Kato

  The 19th International Conference on Metalorganic Vapor Phase Epitaxy (ICMOVPE-XIX)  (Nara Kasugano International Forum 甍 IRAKA)  2018.06  -  2018.06 

• P-Type 3C-SiC Photocathode for Solar to Hydrogen Energy Conversion

  Masashi Kato  [Invited]

  232nd ECS MEETING  (National Harbor, MD)  2017.10  -  2017.10  THE ELECTROCHEMICAL SOCIETY.

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Academic Activity 【 display / non-display 】

Academic Activity