• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2008 Fiscal Year Final Research Report

Fabrication and characterization of normally-off GaN HEMTs

Research Project

  • PDF
Project/Area Number 18206041
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Electron device/Electronic equipment
Research InstitutionNagoya University

Principal Investigator

MIZUTANI Takashi  Nagoya University, 大学院・工学研究科, 教授 (70273290)

Co-Investigator(Kenkyū-buntansha) KISHIMOTO Shigeru  名古屋大学, 大学院・工学研究科, 助教 (10186215)
OSAKA Jiro  名古屋大学, 大学院・工学研究科, 教授 (20377849)
(MASAHITO Kurouchi  名古屋大学, 大学院・工学研究科, 研究員 (10452187)
Project Period (FY) 2006 – 2008
KeywordsGaN / HEMT、ノーマリオフ、MOSFET / InGaN cap / ひずみ分極
Research Abstract

本研究では、開発の期待が高い高性能ノーマリオフ型GaN FETの課題を解決する方法として、InGaN cap層導入によるひずみ分極制御AlGaN/GaN HEMT、および高誘電率を有するHfO_2をゲート絶縁膜とするGaN MOSFET, AlGaN/GaN MOSFETを提案した。さらにデバイス試作により本提案の有効性を示すとともに、しきい値がおのおの1.1V, 3Vのノーマリオフ動作を実現し、また高い電流駆動能力を実証した。

  • Research Products

    (9 results)

All 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (4 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Enhancement-mode AlGaN/GaN HEMTs with thin InGaN cap layer2008

    • Author(s)
      M. Ito, S. Kishimoto, F. Nakamura, T. Mizutani
    • Journal Title

      phys. stat. sol. (c) Vol.5, No.6

      Pages: 1929-1931

    • Peer Reviewed
  • [Journal Article] Normally-off AlGaN/GaN MOSHFETs with HfO_2 gate oxide2008

    • Author(s)
      S. Sugiura, S. Kishimoto, T. Mizutani, M. Kuroda, T. Ueda, T. Tanaka
    • Journal Title

      phys. stat. sol.(c) Vol.5, No.6

      Pages: 1923-1925

    • Peer Reviewed
  • [Journal Article] Enhancement-mode n-channel GaN MOSFETs fabricated on p-GaN using HfO_2 as gate oxide2007

    • Author(s)
      S. Sugiura, S. Kishimoto, T. Mizutani, M. Kuroda, T. Ueda, T. Tanaka
    • Journal Title

      Electronics Letters Vol. 43, No. 17

      Pages: 952-953

    • Peer Reviewed
  • [Journal Article] AlGaN/GaN HEMTs with Thin InGaN Cap Layer for Normally Off Operation2007

    • Author(s)
      T. Mizutani, M. Ito, S. Kishimoto, F. Nakamura
    • Journal Title

      IEEE Electron Device Letters Vol. 28, No. 7

      Pages: pp. 549-551

    • Peer Reviewed
  • [Presentation] Normally-off AlGaN/GaN MOSFETS with HfO_2 Gate Oxide Deposited by Pulsed-Laser Deposition2008

    • Author(s)
      T. Mizutani, S. Sugiura, S. Kishimoto, M. Kuroda, T. Ueda, T. Tanaka
    • Organizer
      Workshop on Compound Semiconductor Devices and Integrated Circuits Held in Europe (WOCSDICE 2008)
    • Place of Presentation
      Leuven, Belgium
    • Year and Date
      20080518-21
  • [Presentation] ノーマリオフ型GaN電界効果トランジスタ2008

    • Author(s)
      水谷孝
    • Organizer
      学術振興会162委員会第58回研究会
    • Year and Date
      20080518-21
  • [Presentation] Enhancement-Mode AlGaN/GaN HEMTs with Thin InGaN Cap Layer2007

    • Author(s)
      M. Ito, S. Kishimoto, F. Nakamura, T. Mizutani
    • Organizer
      7th Int'l Conference of Nitride Semiconductors (ICNS-7)
    • Place of Presentation
      Las Vegas, Nevada, USA
    • Year and Date
      20070916-21
  • [Presentation] Normally-Off AlGaN/GaN MOSFETs with HfO2 Gate Oxide2007

    • Author(s)
      S. Sugiura, S. Kishimoto, T. Mizutani, M. Kuroda, T. Ueda, T. Tanaka
    • Organizer
      7th Int'l Conference of Nitride Semiconductors (ICNS-7)
    • Place of Presentation
      Las Vegas, Nevada, USA
    • Year and Date
      20070916-21
  • [Patent(Industrial Property Rights)] 電界効果トランジスタおよびその製造方法2007

    • Inventor(s)
      水谷孝, 田中毅, 上田哲三
    • Industrial Property Rights Holder
      名古屋大学、松下電器産業
    • Industrial Property Number
      特許,特願2007-78987
    • Filing Date
      2007-03-26

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi