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Toward spin resolved measurement of local density of states by scanning tunneling microscopy

Research Project

Project/Area Number 19740185
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics I
Research InstitutionNational Institute for Materials Science

Principal Investigator

SAGISAKA Keisuke  National Institute for Materials Science, ナノ計測センター, 主任研究員 (70421401)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,750,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥2,100,000 (Direct Cost: ¥2,100,000)
Keywords表面物理 / 走査トンネル顕微鏡 / 表面磁性 / スピン偏極 / 表面ナノ磁性
Research Abstract

固体表面の磁性およびスピン特性を原子分解能で検出するスピン偏極走査トンネル顕微鏡技術の確立を目指して、高品質の磁性薄膜試料及び磁性探針を作製するための基礎的な研究を行った。磁性探針の磁化方向を校正するために、タングステン(110)表面に1.5モノレイヤーの鉄原子を堆積した試料を作製した。その結果、鉄薄膜の磁化特性は基板タングステン表面の清浄度に強く依存することが判明した。また、単一磁性原子のスピン検出を行う基板にはアルミナ表面を作製するが、その予備実験として銅-アルミニウム合金表面の電子状態を明らかにした。

Report

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

    (6 results)

All 2009 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (1 results) Remarks (1 results)

  • [Journal Article] Surface segregation of aluminum atoms on Cu-9 at.%Al (111) studied by Auger electron spectroscopy and low energy electron diffraction2009

    • Author(s)
      Yinghui Yu, Keisuke Sagisaka, and Daisuke Fujita
    • Journal Title

      Surface Science 603

      Pages: 723-726

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Surface segregation of aluminum atoms on Cu-9 at.% Al(111) studied by Auger electron spectroscopy and low energy electron diffraction2009

    • Author(s)
      Yinglmi Yu, Keisuke Sagisaka, and Daisuke Fujita
    • Journal Title

      Surface Science 603

      Pages: 723-726

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Modification of surface electronic properties on alloy surfaces : Standing waves on a Cu-9at.%Al (111) surface observed by STM

    • Author(s)
      Yinghui Yu, Keisuke Sagisaka, and Daisuke Fujita
    • Journal Title

      Physical Review B (掲載確定)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Modification of surface electronic properties on alloy surfaces: Standing waves on a Cu-9 at.\% Al(111) surface observed by STM

    • Author(s)
      Yinghui Yu, Keisuke Sagisaka, and Daisuke Fujita
    • Journal Title

      Physical Review B (掲載確定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Surface standing waves on Cu-9%Al (111)2007

    • Author(s)
      Yinghui Yu, Keisuke Sagisaka, Daisuke Fujita
    • Organizer
      IVC17/ICSS13 and ICN+T 2007, Stockholm International Fairs
    • Place of Presentation
      Stockholm, Sweden
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.nims.go.jp/nanophys6/index.html

    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-04-01   Modified: 2020-05-15  

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