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An Experimental Study of Dipole-Layer Formation at Metal-Oxide/Semiconductor Interfaces

Research Project

Project/Area Number 19360149
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Electronic materials/Electric materials
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

MIYATA Noriyuki  National Institute of Advanced Industrial Science and Technology, エレクトロニクス研究部門, 主任研究員 (40358130)

Co-Investigator(Kenkyū-buntansha) NOHIRA Hiroshi  武蔵工業大学, 工学部, 准教授 (30241110)
Research Collaborator ABE Yasuhiro  武蔵工業大学, 大学院工学研究科, 博士課程学生
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000)
Fiscal Year 2008: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2007: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
Keywords高誘電率絶縁膜 / 絶縁膜 / 半導体界面 / 半導体工学 / 電界効果型トランジスタ / 絶縁体・半導体界 / 界面物性 / 絶縁体・半導体界面
Research Abstract

本研究では、直接接合ハフニウム酸化膜/シリコン界面に誘起される異常なダイポール層の起源を明らかにすることを目的として、種々の分析方法を用いて界面電子状態および化学結合状態を評価した。界面ダイポールの発生状況は、界面準位密度等の電子状態との相関を示さず、界面Si-O結合に依存することが明らかとなった。よって、界面Si-O 結合がダイポール発生の主な原因であると考えられる。また、直接接合ハフニウム酸化膜/ゲルマニウム界面の作製に成功し、シリコン基板上と同様な界面ダイポールの存在を初めて確認した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (20 results)

All 2009 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (14 results)

  • [Journal Article] Effect of Oxide Charge Trapping on X-ray Photoelectron Spectroscopy of HfO2/ SiO2/Si Structures2009

    • Author(s)
      阿部 泰宏, 宮田 典幸, 池永 英司, 鈴木治彦, 北村幸司, 五十嵐 智, 野平 博司
    • Journal Title

      Japanese Journal of Applied Physics 48巻

    • NAID

      40016559583

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conductance Spectroscopy Study on Interface Electronic States of HfO2/Si Structures: Comparison with Interface Dipole2009

    • Author(s)
      宮田 典幸, 阿部泰宏, 安田 哲二
    • Journal Title

      Applied Physics Express 2巻

    • NAID

      210000014303

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Oxide Charge Trapping on the X-ray Photoelectron Spectroscopy of HfO_2/SiO_2/Si Structures2009

    • Author(s)
      阿部泰宏
    • Journal Title

      Japanese Journal of Applied Physics 48

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conductance Spectroscopy Study on Interface Electronic States of HfO_2/Si Structures : Comparison with Interface Dipole2009

    • Author(s)
      宮田典幸
    • Journal Title

      Applied Physics Express 2

    • NAID

      80020169638

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Comparison between Direct-Contact HfO2/Ge and HfO2/GeO2/Ge Struc- tures: Physical and Electrical Properties2008

    • Author(s)
      阿部 泰宏, 宮田 典幸, 安田 哲二
    • Journal Title

      ECS Transactions 16巻

      Pages: 375-385

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Comparison between direct-contact HfO_2/Ge and HfO_2/GeO_2/Ge Structures : Physical and Electrical Properties2008

    • Author(s)
      阿部泰宏
    • Journal Title

      ECS Transactions 16

      Pages: 375-385

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Comparison between direct-contact HfO_2/Ge and HfO_2/GeO_2/Ge Structures : Physical and Electrical Properties2008

    • Author(s)
      阿部泰宏
    • Organizer
      214th Meeting of ECS
    • Place of Presentation
      Honolulu, Hawaii
    • Year and Date
      2008-10-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Chemical Bonding-Induced Dipole at the HfO_2/Si Interface2008

    • Author(s)
      宮田典幸
    • Organizer
      International Conference on Solid State Devices and Materials (SSDM 2008)
    • Place of Presentation
      つくば
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] HfO_2/Ge構造における界面GeO_2の電気特性への影響2008

    • Author(s)
      阿部泰宏
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学(愛知県)
    • Year and Date
      2008-09-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] 薄いHfO_2膜の熱的安定性:ボイド形成に関する考察2008

    • Author(s)
      宮田典幸
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部天学(愛知県)
    • Year and Date
      2008-09-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] HfO_2/SiO_2/Si構造で観察されるHf光電子スペクトルのブロードニング2008

    • Author(s)
      阿部 泰宏
    • Organizer
      第55回応用物理学関係連合講演会
    • Place of Presentation
      日本大学理工学部(船橋)
    • Year and Date
      2008-03-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] Comparison between Direct-Contact HfO2/Ge and HfO2/GeO2/Ge Struc- tures: Physical and Electrical Properties2008

    • Author(s)
      阿部泰宏, 宮田典幸, 安田哲二
    • Organizer
      214th Meeting of ECS
    • Place of Presentation
      Honolulu, Hawaii
    • Related Report
      2008 Final Research Report
  • [Presentation] Chemical Bonding-induced Dipole at the HfO2/Si Interface2008

    • Author(s)
      宮田典幸 阿部泰宏, 安田哲二
    • Organizer
      International Conference on Solid State Devices and Materials(SSDM 2008 )
    • Place of Presentation
      つくば
    • Related Report
      2008 Final Research Report
  • [Presentation] 薄いHfO2膜の熱的安定性: ボイド形成に関する考察2008

    • Author(s)
      宮田典幸 阿部泰宏, 安田哲二
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学(愛知県)
    • Related Report
      2008 Final Research Report
  • [Presentation] HfO2/Ge 構造における界面GeO2の電気特性への影響2008

    • Author(s)
      阿部泰宏, 宮田典幸, 安田哲二
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学(愛知県)
    • Related Report
      2008 Final Research Report
  • [Presentation] HfO2/SiO2/Si 構造で観察されるHf 光電子スペクトルのブロードニング2008

    • Author(s)
      阿部泰宏, 宮田典幸, 池永英司, 鈴木治彦, 北村幸司, 五十嵐智, 野平博司
    • Organizer
      第55 回応用物理学関係連合講演会
    • Place of Presentation
      日本大学理工学部(船橋)
    • Related Report
      2008 Final Research Report
  • [Presentation] Ge diffUsion through a thin HfO_2 film durhlg the thermal annealing2007

    • Author(s)
      阿部 泰宏
    • Organizer
      The 9th Intemadonal Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures
    • Place of Presentation
      東京大学 駒場キャンパス
    • Year and Date
      2007-11-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] 高真空EB蒸着法で作製したHfO_2/Ge構造の熱的安定性2007

    • Author(s)
      阿部 泰宏
    • Organizer
      第68回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学(札幌)
    • Year and Date
      2007-09-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] Ge Diffusion through a Thin HfO2 Film during the Thermal Annealing2007

    • Author(s)
      阿部泰宏, 宮田典幸, 安田哲二
    • Organizer
      The 9th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures
    • Place of Presentation
      東京大学 駒場キャンパス
    • Related Report
      2008 Final Research Report
  • [Presentation] 高真空EB蒸着法で作製したHfO2/Ge構造の熱的安定性2007

    • Author(s)
      阿部泰宏, 宮田典幸, 安田哲二
    • Organizer
      第68 回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学(札幌)
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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