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完全スピン偏極強磁性体薄膜の作製と評価及びそのスピントロニクス素子への応用

Research Project

Project/Area Number 05F05611
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section外国
Research Field Applied materials science/Crystal engineering
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

秋永 広幸  産業技術総合研究所, ナノテクノロジー研究部門, 研究グループ長

Co-Investigator(Kenkyū-buntansha) WANG Wenhong  産業技術総合研究所, 外国人特別研究員
Project Period (FY) 2005 – 2007
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥2,400,000 (Direct Cost: ¥2,400,000)
Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2005: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords国際研究者交流(中国) / 完全スピン偏極強磁性体 / 強磁性半導体 / 薄膜成長 / スピン / 国際研究者交流
Research Abstract

本研究では,完全スピン偏極強磁性体薄膜及の特性評価を行い,その薄膜を用いてスピン依存磁気輸送現象を示す素子構造を開発することを最終目標とした.着任後1年間は,その目標に向けて,薄膜作製と磁気輸送現象測定を行った.平成18年度は,更にその研究をIV族半導体ベースの材料に展開し,当該分野の先駆けとなる成果を得られつつある.具体的には,シリコンカーバイド(SiC)に磁性元素であるMnを導入した物質を合成し,その磁気特性の評価を行った.本成果は,The 10th Joint MMM/Intermag Conference(2007/1/7-11,Baltimore, Maryland, USA)において発表し,SiC基板上にMn薄膜を形成することによってその界面に生成される強磁性体の同定と特性評価を行った成果は,The International Materials Week(2006/6/24-30,Beijing, China), The 13th International Conference on X-ray Absorption Fine Structure(2006/7/9-14,Stanford, CA USA),The International Conference on Magnetism(2006/10/20-25,Kyoto, Japan),及び,The 3rd Asian Forum on Magnetics(2006/9/11-14,Matsue, Japan)で発表した.またSiC基板上に良質なエピタキシャルMn薄膜を成長できることを明らかにした.本成果は,The 14th International Conference on Molecular Beam Epitaxy(2006/9/3-8,Tokyo)において発表した.

Report

(2 results)
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (11 results)

All 2007 2006 Other

All Journal Article (11 results)

  • [Journal Article] Magnetic and transport properties of Mn-Si films synthesized on 4H-SiC(0001) substrates2007

    • Author(s)
      W.H.Wang, F.Takano, H.Ofuchi, H.Akinaga
    • Journal Title

      Materials Science Forum 546-549

      Pages: 2167-2170

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Fluorescence EXAFS analysis of SiC : Mn films synthesized on SiC substrates2007

    • Author(s)
      H.Ofuchi, W.H.Wang, F.Takano, H.Akinaga
    • Journal Title

      Proceedings of X-ray Absorption Fine Structure (XAFS13) CP882

      Pages: 443-443

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Characterization of Mn-doped 3C-SiC prepared by ion implantation2007

    • Author(s)
      F.Takano, W.H.Wang, H.Akinaga, H.Ofuchi, S.Hishiki, T.Ohshima
    • Journal Title

      Journal of Applied Physics 101

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Magnetic properties of transparent SiC : Mn films synthesized on SiC substrates2007

    • Author(s)
      W.H.Wang, F.Takano, H.Ofuchi, H.Akinaga
    • Journal Title

      Journal of Magnetism and magnetic Materials 310

      Pages: 2141-2143

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Epitaxial growth of bee Mn films on 4H-SiC(0001) by molecular beam epitaxy2007

    • Author(s)
      W.H.Wang, F.Takano, H.Ofuchi, H.Akinaga
    • Journal Title

      Journal of Crystal Growth 301-302

      Pages: 607-610

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Structural, magnetic, and magnetotransport properties of Mn-Si films synthesized on a 4H-SiC(0001) wafer2007

    • Author(s)
      W.H.Wang, F.Takano, H.Akinaga
    • Journal Title

      Physical Review B 75・16

      Pages: 165323-165323

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Epitaxial growth and characterization of zinc-blende CrAs/GaAs/MnAs/GaAs multilayers2006

    • Author(s)
      W.H.Wang, T.Manago, H.Akinaga
    • Journal Title

      Journal of Magnetics 11・1

      Pages: 1-4

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Epitaxial growth and characterization of zinc-blende CrAs/GaAs/MnAs/GaAs multilayers

    • Author(s)
      W.H.Wang, T.Manago, H.Akinaga
    • Journal Title

      Journal of Magnetics (in press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Magnetotransport properties of zinc-blende half-metal multilayers

    • Author(s)
      W.H.Wang, T.Manago, H.Akinaga
    • Journal Title

      Journal of Physics D : Applied Physics (submitted)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Magnetic properties of transparent SiC : Mn films synthesized on SiC substrate

    • Author(s)
      W.H.Wang, F.Takano, H.Ofuchi, J.W.Lee, S.Kuroda, K.Takita, H.Akinaga
    • Journal Title

      Journal of Magnetism and Magnetic Materials (submitted)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Epitaxial growth of bcc Mn on 4H-SiC(0001) substrates

    • Author(s)
      W.H.Wang, F.Takano, H.Ofuchi, H.Akinaga
    • Journal Title

      Journal of Crystal Growth (submitted)

    • Related Report
      2005 Annual Research Report

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Published: 2005-04-01   Modified: 2024-03-26  

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