Presentations -

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  • SiCバイポーラデバイスにおけるプロトン注入による順方向通電劣化の抑制効果とそのメカニズム

    原田俊太, 坂根 仁, Li Tong, 加藤正史

    電気学会 電子デバイス研究会「化合物半導体を用いた次世代高機能デバイス技術とアプリケーション」  2025.04 

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    Event date: 2025.04

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:絹の渓谷 碧流 会議室   Country:Japan  

  • [第46回優秀論文賞受賞記念講演] SiCパワーデバイスにおける高エネルギーイオン注入による積層欠陥拡張抑制 Invited

    原田 俊太、坂根 仁、三井 俊樹、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • HVPE基板およびOVPE基板上GaNエピ層の深い準位の評価

    古橋 優、宇佐美 茂佳、森 勇介、渡邉 浩崇、新田 州吾、本田 善央、天野 浩、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • 低BPD密度ウェハによるバイポーラ劣化の抑制

    Zhang Endong、稲吉 晴子、杉山 智彦、松島 潔、吉川 潤、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • SiC基板への裏面プロトン注入の積層欠陥拡張抑制効果

    リ トウ、坂根 仁、原田 俊太、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • Trench形成した4H-SiC基板上の3C-SiC/4H-SiC積層エピ層に対する ラマン分光法を用いたポリタイプ比率分析

    長谷川 拓裕、長澤 弘幸、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • 4H-SiCエピ層における全方位フォトルミネッセンススペクトルの膜厚依存性

    牧野 隼宜、鈴木 健吾、加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • 4H-SiCへの<0001>方向チャネリングイオン注入:Si面とC面は同じか?

    加藤 正史

    2025年第72回応用物理学会春季学術講演会  2025.03 

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    Event date: 2025.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学野田キャンパス   Country:Japan  

  • Observation of Point Defect and Carrier Lifetime Distributions in Ion Implanted SiC PiN Diodes International conference

    Tong Li, Hitoshi Sakane, Shunta Harada, Masashi Kato

    ISPlasma 2025/IC-PLANTS2025  2025.03 

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    Event date: 2025.03

    Language:English   Presentation type:Poster presentation  

    Venue:CHUBU UNIVERSITY   Country:Japan  

  • Evaluation of deep levels in GaN epilayers on HVPE and OVPE substrates

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Performance improvement of 3C-SiC photocathodes by domain control epitaxial growth

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Effect of CoOx cocatalyst loading on charge carrier recombination in TiO2 and SrTiO3 single crystals

    Endong Zhang, Toru Takayoshi, Zhenhua Pan, Masashi Kato

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Evaluation of recombination processes for 4H-SiC freestanding epilayers using omnidirectional photoluminescence

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Suppression of stacking-fault expansion in SiC by helium implantation

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Polytype ratio analysis of 3C-SiC/4H-SiC stacked epilayer on trenched 4H-SiC substrate by Raman spectroscopy

    2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Charge carrier recombination in TiO2 and SrTiO3 single crystals: impact of CoOx cocatalyst loading International conference

    Endong Zhang, Toru Takayoshi, Zhenhua Pan, Masashi Kato

    the 35th International Photovoltaic Science and Engineering Conference (PVSEC-35)  2024.11 

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    Event date: 2024.11

    Language:English   Presentation type:Poster presentation  

    Venue:Numazu   Country:Japan  

  • Technologies to Suppress Stacking Fault Expansion in SiC Devices: Stacking Fault Knockdown by High Energy Ion Implantation (SF-KHII) M Invited International conference

    Masashi Kato, Shunta Harada, Hitoshi Sakane

    The 11th Asia-Pacific Workshop on Widegap Semiconductors  2024.10  Korea Society of LEDs and Optoelectronics (KSLOE)

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    Event date: 2024.10

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Hanwha Resorts Haeundae, Busan, Korea   Country:Korea, Republic of  

  • Proton implantation into substrate and stacking faults in epitaxial layers International conference

    Masashi Kato, Ohga Watanabe, Shunta Harada, Hitoshi Sakane

    INTERNATIONAL CONFERENCE ON SILICON CARBIDE AND RELATED MATERIALS 2024  2024.10 

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    Event date: 2024.09 - 2024.10

    Language:English   Presentation type:Poster presentation  

    Venue:Raleigh Convention Center 500 S Salisbury St, Raleigh, NC 27601   Country:United States  

  • Role of Point Defects in Suppressing Stacking Fault Expansion through Helium and Proton Implantation in SiC Epitaxial Layer International conference

    Shunta Harada, Hitoshi Sakane, Masashi Kato

    INTERNATIONAL CONFERENCE ON SILICON CARBIDE AND RELATED MATERIALS 2024  2024.10 

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    Event date: 2024.09 - 2024.10

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Raleigh Convention Center 500 S Salisbury St, Raleigh, NC 27601   Country:United States  

  • Demonstration of Suppressing 1SSF Expansion Using Energy Filtered Ion Implantation International conference

    Hitesh Jayaprakash, Constantin Csato, Masashi Kato, Tong Li, Florian Krippendorf, Michael Rueb, Joerg Schulze

    INTERNATIONAL CONFERENCE ON SILICON CARBIDE AND RELATED MATERIALS 2024  2024.10 

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    Event date: 2024.09 - 2024.10

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Raleigh Convention Center 500 S Salisbury St, Raleigh, NC 27601   Country:United States  

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