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femto second imaging of magnetic thin films using laser photoemission microscope

Research Project

Project/Area Number 23710136
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Nanomaterials/Nanobioscience
Research InstitutionKyushu University (2012)
Institute for Molecular Science (2011)

Principal Investigator

NAKAGAWA Takeshi  九州大学, 総合理工学研究院, 准教授 (80353431)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywordsナノ計測 / 光電子分光 / 電子顕微鏡 / 磁性 / 超高速分光 / 表面・薄膜 / 表面磁性 / 磁気円二色性
Research Abstract

I have studied dynamics of magnetic ultra thin films using laser threshold magnetic circular dichroism photoelectron emission microscope, which has femtosecond time resolution as well as ~ 50 nmspatial resolutions. Direct observation of the precession motion of magnetic thin films has not been achieved due to its subtle change. However I have enhanced the magnetic sensitivity and time stability of the microscope, which is ten times better than those before this project. This development enables us to make the first observation of magnetic domain dynamics about the molecular adsorption on to magnetic ultra thin films.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (21 results)

All 2012 2011

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (14 results)

  • [Journal Article] "Laser induced threshold photoemission and its application to photoelectron microscope2012

    • Author(s)
      T. Nakagawa and T. Yokoyama
    • Journal Title

      J. Electron Spectrsc. Relat. Phenom.

      Volume: 185 Issue: 10 Pages: 356-364

    • DOI

      10.1016/j.elspec.2012.02.009

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Growth process and magnetic properties of iron nanoparticles deposited on Si_3N_4/Si(111)-(8×8)2012

    • Author(s)
      K. Eguchi, Y. Takagi, T. Nakagawa and T. Yokoyama
    • Journal Title

      Phys. Rev.

      Volume: B 85 Issue: 17 Pages: 174415-174415

    • DOI

      10.1103/physrevb.85.174415

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Giant Magnetic Anisotropy Energy and Coercivity in Fe island and atomic wire on W(110)2012

    • Author(s)
      T. Nakagawa, Y. Takagi, T. Yokoyama, T. Methfessel, S. Diehl and H.-J. Elmers
    • Journal Title

      Phys. Rev.

      Volume: B 86 Issue: 14 Pages: 144418-144418

    • DOI

      10.1103/physrevb.86.144418

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dominance of the first excitation step for magnetic circular dichroism in near-threshold two-photon photoemission2012

    • Author(s)
      K. Hild, G. Schonhense, H. J. Elmers, T. Nakagawa, T. Yokoyama, K. Tarafder and P. M. Oppeneer
    • Journal Title

      Phys. Rev.

      Volume: B 85 Issue: 1 Pages: 14426-1

    • DOI

      10.1103/physrevb.85.014426

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ferromagnetic interlayer coupling in C_<60>-Co compound/Ni bilayer structure2011

    • Author(s)
      Y.Matsumoto, S.Sakai, S.Entani, Y.Takagi, T.Nakagawa, H.Naramoto, P.Avramov, T.Yokoyama
    • Journal Title

      Chem.Phys.Lett.

      Volume: 511 Issue: 1-3 Pages: 68-72

    • DOI

      10.1016/j.cplett.2011.05.038

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ferromagnetic interlayer coupling in C60Co2011

    • Author(s)
      Yoshihiro Matsumotoら
    • Journal Title

      Chemical Physics Letters

      Volume: 511 Pages: 68-72

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] Dominance of the first excitation step for manetic2011

    • Author(s)
      K. Hildら
    • Journal Title

      Phys. Rev. B

      Volume: 014426

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Presentation] Fe/W(110)における XMCD による巨大保持力観測と Ni/Cu(001)の水素吸着過程における UV MCDPEEM による磁区変化観測2012

    • Author(s)
      横山利彦
    • Organizer
      平成24年度放射光表面科学研究部会・顕微ナノ材料科学研究会合同シンポジウム
    • Place of Presentation
      慶応大学(神奈川県)
    • Year and Date
      2012-11-16
    • Related Report
      2012 Final Research Report
  • [Presentation] Energy Filtered Magnetic Circular Dichroism PEEM for Magnetic Domain Observation2012

    • Author(s)
      Takeshi Nakagawa
    • Organizer
      8th International workshop on LEEM-PEEM
    • Place of Presentation
      Hong-Kong, China
    • Year and Date
      2012-11-13
    • Related Report
      2012 Final Research Report
  • [Presentation] Anisotropy and Coercivity in Fe island and 図3. 水素吸着前後のNi薄膜の磁区変化 atomic wire on W(110)2012

    • Author(s)
      Takeshi Nakagawa, Huge Magnetic
    • Organizer
      International colloquim on Magneti Filsm and Surfaces
    • Place of Presentation
      Shanghai, China
    • Year and Date
      2012-09-25
    • Related Report
      2012 Final Research Report
  • [Presentation] Anisotropy and Coercivity in Fe island and atomic wire on W(110)2012

    • Author(s)
      Takeshi Nakagawa, Huge Magnetic
    • Organizer
      International Conference on Magnetism
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2012-07-10
    • Related Report
      2012 Final Research Report
  • [Presentation] 巨大保磁力を有する Fe/W(110)の X 線磁気円二色性による研究2012

    • Author(s)
      中川剛志
    • Organizer
      日本物理学会秋季
    • Place of Presentation
      鳥栖市民文化会館(佐賀県)
    • Year and Date
      2012-01-09
    • Related Report
      2012 Final Research Report
  • [Presentation] Energy Filtered Magnetic Circular Dichroism PEEM for Magnetic Domain Observation2012

    • Author(s)
      Takeshi Nakagawa
    • Organizer
      LEEM-PEEM8
    • Place of Presentation
      Hong-Kong, China
    • Related Report
      2012 Annual Research Report
  • [Presentation] Huge Magnetic Anisotropy and Coercivity in Fe island and atomic wire on W(110)2012

    • Author(s)
      Takeshi Nakagawa
    • Organizer
      International Conference on Magnetism
    • Place of Presentation
      Busan, Korea
    • Related Report
      2012 Annual Research Report
  • [Presentation] Huge Magnetic Anisotropy and Coercivity in Fe island and atomic wire on W(110)2012

    • Author(s)
      Takeshi Nakagawa
    • Organizer
      International colloquim on Magneti Filsm and Surfaces
    • Place of Presentation
      Shanghai, China
    • Related Report
      2012 Annual Research Report
  • [Presentation] Fe/W(110)におけるXMCDによる巨大保持力観測とNi/Cu(001)の水素吸着過程におけるUV MCD PEEMによる磁区変化観測2012

    • Author(s)
      横山利彦、中川剛志
    • Organizer
      平成24年度放射光表面科学研究部会・顕微ナノ材料科学研究会合同シンポジウム
    • Place of Presentation
      慶応大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 巨大保磁力を有するFe/W(110)のX線磁気円二色性による研究2012

    • Author(s)
      中川剛志ら
    • Organizer
      第25回日本放射光
    • Place of Presentation
      鳥栖市民文化会館(佐賀県)
    • Related Report
      2011 Research-status Report
  • [Presentation] Fe/W(110)における巨大保磁力の XMCD による研究2011

    • Author(s)
      中川剛志
    • Organizer
      UVSOR ユーザーズミーティング
    • Place of Presentation
      分子科学研究所(愛知県)
    • Year and Date
      2011-11-19
    • Related Report
      2012 Final Research Report
  • [Presentation] 巨大保磁力を有する Fe/W(110)の X 線磁気円二色性による研究2011

    • Author(s)
      中川剛志
    • Organizer
      第25回日本放射光学会
    • Place of Presentation
      富山大学五福キャンパス(富山県)
    • Year and Date
      2011-09-21
    • Related Report
      2012 Final Research Report
  • [Presentation] 巨大保磁力を有するFe/W(110)のX線磁気円二色性による研究2011

    • Author(s)
      中川剛志ら
    • Organizer
      日本物理学会秋季
    • Place of Presentation
      富山大学五福キャンパス(富山県)
    • Related Report
      2011 Research-status Report
  • [Presentation] Fe/W(110)における巨大保磁力のXMCDによる研究2011

    • Author(s)
      中川剛志ら
    • Organizer
      UVSORユーザーズミーティン
    • Place of Presentation
      分子科学研究所(愛知県)
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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