Okumura Hironori

Affiliation
Faculty of Pure and Applied Sciences
Official title
Assistant Professor
ORCID
0000-0002-5464-9169
KAKEN ID
80756750
URL
Research fields
Electronic materials/Electric materials
Crystal engineering
Thin film/Surface and interfacial physical properties
Research projects
Fabrication of vertical AlN devices2023-04 -- 2027-03Hironori OkumuraJapan Society of for the Promotion of Science/Grant-in-Aid for Scientific Research(B)14,300,000Yen
Demonstration of pixel detectors with high radiation tolerant semiconductors2022-04 -- 2023-03Hironori OkumuraTIA program/Kakehashi1,910,000Yen
Ga2O3 hot electron transistors2021-10 -- 2023-03Hironori OkumuraSEI group CSR Foundation/Research grant1,700,000Yen
Activation mechanism of implanted impurities in III-Nitrides2021-04 -- 2025-03Akira UedonoJapan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(B)13,300,000Yen
Normally-off operation of (AlGa)2O3/Ga2O3 HEMTs2020-10 -- 2021-09Hironori OkumuraSamco Science and Technology Foundation/4th Research grant2,000,000Yen
Development of radiation-tolerance GaN optical detectors2020-06 -- 2021-05Hironori OkumuraThe Murata Science Foundation/36th Research grant2,250,000Yen
High radiation tolerant detector for radioactive isotope beam2020-04 -- 2022-03imura masatakaTIA program/kakehashi5,100,000Yen
Development of normally-off (AlGa)2O3 MOSFETs2020-04 -- 2021-03Hironori OkumuraThe Asahi Glass Foundation/Research Grant2,000,000Yen
Nitride-based spintronics materials for ultrafast current-induced domain wall motion2019-10 -- 2023-09Takashi SuemasuJapan Society of for the Promotion of Science/Fostering Joint International Research (B)18,330,000Yen
Power devices using III-Oxides2019-10 -- 2024-09Hironori OkumuraNEDO/feasibility study program/uncharted territory challenge 205099,958,000Yen
more...
Career history
2018-04 -- (current)University of TsukubaAssistant Professor (Tenure)
2016-04 -- 2018-03MITEECSvisiting researcher
2015-04 -- 2016-03EPFLPhysicsvisiting researcher
2015-04 -- 2018-03University of TsukubaAssistant Professor (Tenure Track)
2014-04 -- 2015-03NTT Basic research laboratoryPost-doc
2012-04 -- 2014-03UCSBMaterialsPost-doc (JSPS fellowship)
Academic background
2007-04 -- 2012-03Kyoto University Electrical and Electronics Engineering
2003-04 -- 2007-03Kyoto University Electrical and Electronics Engineering
Degree
2012-03Ph.D, engineeringKyoto University
Licenses and qualifications
2014-10Specified high pressure gas handling supervisor
Academic societies
2021-12 -- (current)JSAP Ionization Radiation Division
2019-12 -- (current)Japanese Society of Applied Physics
2019-12 -- 2021-12Japanese Association for Crystal Growth
2016-12 -- 2018-12Material Research Society
Honors & Awards
2021-03-08CGCT Young Scientist Award
2020-11-17Young Faculty Award in University of Tsukuba
2019-09-03SSDM Young Researcher Award
Articles
Books
Conference, etc.
  • Electrical properties of silicon-implanted alpha-Al2O3
    Okumura Hironori; Jinno Riena; UEdono Akira; Imura Masataka
    The 4th International Workshop on Gallium Oxide and Related Materials/2022-10-23--2022-10-27
  • Alpha-particle detectors with GaN PiN homoepitaxial layer
    Okumura Hironori; Ogawara Yohei; Togawa Maanbu; Miyahara ...
    2021 International Conference on Solid State Devices and Materials/2021-09-06--2021-09-09
  • Photo-induced Conductivity Transient in n-type β-(Al0.16Ga0.84)2O3 and β-Ga2O3
    Traore Aboulaye; Gouveia Maria; Hironori Okumura; Mannequ...
    2020 International Conference on Solid State Devices and Materials SSDM 2020/2020-09-27--2020-09-30
  • Electrical property of n-type β-(AlGa)2O3 layers with low Al composition
    Okumura Hironori
    8th Asian Conference on Crystal Growth and Crystal Technology/2021-03-01--2021-03-04
  • Growth and electrical property of n-type β-(AlGa)2O3 layers
    Okumura Hironori
    Virtual Workshop on Materials Science and Advanced Electronics/2021-02-01--2021-02-03
  • (AlGa)2O3/Ga2O3 resonant tunneling diodes
    Okumura Hironori
    Compound Semiconductor Week 2020/2020-05-17--2020-05-21
  • Demonstration of m-plane GaN MOSFETs
    Okumura Hironori
    2019 International Conference on Solid State Devices and Materials/2019-09-02--2019-09-05
  • Demonstration of (AlGa)2O3-channel MOSFETs
    Okumura Hironori
    2019 International Workshop on Gallium Oxide and related materials/2019-08-12--2019-08-15
  • N-polar AlN POLFET
    Okumura Hironori; Lemettinen Jori; Suihkonen Sami; Palaci...
    International Workshop on Nitride Semiconductors/2018-11-11--2018-11-16
  • Demonstration of beta-(AlGa)2O3(010) metal-semiconductor field-effect transistors with high breakdown voltage over 900 V
    Okumura Hironori; Kato Yuji; Ohshima Takayoshi; Palacios ...
    2018 International Conference on Solid State Devices and Materials/2018-09-09--2018-09-13
  • Nitrogen-face AlN-based field-effect transistors
    Okumura Hironori; Lemettinen Jori; Suihkonen Sami; Palaci...
    Compound Semiconductor Week 2018/2018-05-29--2018-06-01
  • AlN metal-semiconductor field-effect transistors using Si-ion implantation
    Okumura Hironori
    The 2017 MRS Fall Meeting & Exhibit/2017-11-26--2017-12-01
  • AIN metal-semiconductor field-effect transistors using Si-ion implantation
    Okumura Hironori; Suihkonen Sami; Lemettinen Jori; Ued...
    International Conference on Solid State Devices and Materials (SSDM)/2017-09-19--2017-09-22
  • Electrical Properties of Si-Ion Implanted AlN
    Okumura Hironori; Sami Suihkonen Tomas Palacios
    9th International Conference on Nitride Semiconductors/2017-07
  • Electrical Properties of Mg-doped GaN with High Acceptor Concentrations
    Okumura Hironori; Marco Malinverni Denis Martin Nicolas...
    2016 Materials Research Societies Fall meeting/2016-12
  • Highly p-type GaN for Advanced Optoelectronic Devices
    Okumura Hironori; Malinverni Marco; Martin Denis; Grandje...
    2016 IEEE Photonics Conference/2016-10
  • Electrical Properties of Mg-doped GaN with High Acceptor Concentrations
    Okumura Hironori; Marco Malinverni Denis Martin Nicolas...
    19th International Conference on Molecular Beam Epitaxy/2016-09
Intellectural property rights
  • 特願2021-168710
    奥村 宏典
  • 導電性ＡｌＮエピタキシャル膜付き基板及びその製造方法
    奥村 宏典; 柴田 智彦; 渡邊 康弘
Teaching
2022-10 -- 2023-02Research in Applied Physics VAUniversity of Tsukuba.
2022-10 -- 2023-02Research in Applied Physics IVAUniversity of Tsukuba.
2022-10 -- 2023-02Research in Applied Physics IIIAUniversity of Tsukuba.
2022-04 -- 2022-08Research in Applied Physics IBUniversity of Tsukuba.
2022-04 -- 2022-08Research in Applied Physics VBUniversity of Tsukuba.
2022-10 -- 2023-02Research in Applied Physics IAUniversity of Tsukuba.
2022-04 -- 2022-08Research in Applied Physics IIIBUniversity of Tsukuba.
2022-10 -- 2023-02Research in Applied Physics IVBUniversity of Tsukuba.
2022-04 -- 2022-08Research in Applied Physics IIBUniversity of Tsukuba.
2022-10 -- 2022-12Solid State Physics 2University of Tsukuba.
more...
Other educational activities
2020-08 -- 2020-08ナノテクノロジープラットフォーム学生研修プログラム（GaN HEMTの作製）筑波大学
2019-05 -- (current)フレッシュマンセミナー体験配属（半導体デバイスの作製）筑波大学
2019-08 -- (current)応用理工サマースクール体験実験（SiC SBDの作製）筑波大学　
2018-07 -- 2018-07電子工学特別講義　非常勤講師大阪大学
2018-04 -- 2020-03応用理工学類クラス担任筑波大学
Talks
  • 導電性サファイヤの開発
    奥村 宏典
    Innovation Japan 2022/2022-10-04--2022-10-31
  • Alpha- and beta-(AlGa)2O3 growth using Molecular Beam Epitaxy
    Okumura Hironori
    J-FAST kick-off meeting/2022-06-22--2022-06-24
  • 窒化アルミニウム層中の不純物拡散
    奥村 宏典
    TREMS成果報告会/2021-03-11
  • 高放射線耐性半導体を用いた重粒子線検出器の研究
    奥村 宏典; 井村 将隆; 外川 学; 西永 慈郎; 宮原 正也
    TIAナノエレの若手の会セミナー/2022-03-08
  • Semiconductor devices in extreme environment
    奥村 宏典
    Researcher Matching Project 2021With Matching HUB Hokuriku/2021-11-05--2021-11-17
  • ナノスケール加工に向けた電子線露光実習
    奥村 宏典
    微細加工技術 実践セミナー/2020-10-07
  • 放射線耐性に優れた半導体素子の開発
    奥村 宏典
    JST新技術説明会/2020-10-04
  • 酸化ガリウムの結晶成長と電子デバイスの作製
    奥村 宏典
    TREMS成果報告会/2020-03-11
  • AlN結晶へのイオン注入
    奥村 宏典
    第162委員会 第116回研究会/2019-12-13--2019-12-14
  • 電子ビーム露光装置を用いたGa2O3 FinFETとAlN光導波路の作製
    奥村 宏典
    電子ビームリソグラフィセミナーV/2019-11-27
  • 放射線に負けないデバイスを使ってみよう！
    奥村 宏典; 西永慈郎; 井村将隆; 外川学; 宮原正也
    イノベーション・ジャパン2019－大学見本市/2019-08-29--2019-08-30
  • 超ワイドバンドギャップ半導体を用いたトランジスタ動作
    奥村 宏典
    NTT 物性科学基礎研究所　セミナー/2019-07-19--2019-07-19
  • 窒化アルミニウムおよび酸化ガリウムの結晶成長からトランジスタ作製まで
    奥村 宏典
    2019年度 第3回エネルギーマネージメント・材料デバイス技術分科会/2019-07-19--2019-07-19
  • Crystal growth and devices for wide band-gap semiconductors over 5 eV
    Okumura Hironori
    Ohio State Univeristy, Seminar/2019-03-18--2019-03-18
  • 省エネに向けた新規パワーデバイス材料に関する研究
    奥村 宏典
    産学連携シンポジウム/2019-03-15--2019-03-15
  • 新規パワーデバイス用材料に関する研究
    奥村 宏典
    Nanotech expo 2019/2019-01-30--2019-02-01
  • High-power devices using ultra wide bandgap semiconductors
    Okumura Hironori
    University of California, Santa Barbara, Seminar/2018-03-20--2018-3-20
  • これまでの半導体とこれからの半導体
    奥村 宏典
    ボストン日本人研究者交流会/2018-03-17--2018-03-17
  • 高濃度Mgドーピングによるp型GaN層の接触抵抗の低減
    奥村 宏典
    筑波大学数理物質系　専攻セミナー/2016-04-01--2016-04-01
  • 垂直共振器面発光レーザー応用に向けたGaN層のトンネル接合
    奥村 宏典
    東京大学生産技術研究所　セミナー/2016-03-30--2016-03-30
  • 高濃度 Mg ドーピングを行った p 型 GaN 層の低い接触抵抗
    奥村 宏典
    京都大学大学院工学研究科　セミナー/2016-03-29--2016-03-29
  • P-Type Doping Control of Mg-doped AlGaN for deep-UV LEDs
    Okumura Hironori; Yoshitaka Taniyasu; Hideki Yamamoto
    Aalto University seminer/2015-09-14--2015-09-14
  • New Devices using Wide-Bandgap Semiconductors
    Okumura Hironori
    3rd Meeting of Japanese young scientists in EU/2015-08-29--2015-08-29
  • AlGaN growth using PAMBE and MOVPE
    Okumura Hironori
    EPFL seminar/2015-04-15
Professional activities
2021-04 -- 2022-11International Workshop on Gallium Oxide and Related MaterialsProgram Committee
2020-03 -- 2022-02Electronic Materials SymposiumSecretaries
2020-01 -- 2022-12International Conference on Solid State Devices and MaterialsProgram Committee, Area 4
University Management
2020-04 -- 2022-03スポーツデー運営委員会運営委員
2018-06 -- (current)Nano-tech Platform in the university of TsukubaSteering Committee
2018-04 -- (current)Tsukuba Research Center for Energy Materials ScienceMember
Other activities
2022-08 -- 2025-03Top Runners in Strategy of Transborder Advanced Researches (TRiSTAR), Fellow
2018-08 -- 2019-12free English chat room (BiVi Tsukuba satellite office), Organizer
2018-04 -- 2019-03MEXT NISTEP, Science and Technology Foresight Center, Investigator

(Last updated: 2023-03-15)