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Unoccupied electronic state and ultra-fast electron dynamics on dope-controlled graphene

Research Project

Project/Area Number 23740243
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Condensed matter physics I
Research InstitutionSaga University

Principal Investigator

TAKAHASHI Kazutoshi  佐賀大学, シンクロトロン光応用研究センター, 准教授 (30332183)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords表面・界面 / グラフェン / 光電子分光 / 2光子光電子分光 / 放射光 / レーザー / 2光子光電子分光
Research Abstract

Unoccupied electronic band structure and ultra-fast electron dynamics on graphite and epitaxial graphene grown on SiC have been studied by time- and angle-resolved photoemission and synchrotron radiation photoemission measurements. The momentum-resolved lifetime of IPS electrons on graphite and electron dynamics in 3.14* state of epitaxial graphene with the thickness between 1 and 3 MLs have been elucidated.

Report

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

    (18 results)

All 2013 2012 2011 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (13 results) Remarks (1 results)

  • [Journal Article] Time-resolved two-photon photoemission study of silicon surface at initial stage of oxidation2013

    • Author(s)
      K. Takahashi, K. Ishibashi, Y. Kurahashi, M. Imamura, J. Azuma, M. Kamada
    • Journal Title

      Appl. Surf. Sci

      Volume: 267 Pages: 154-154

    • DOI

      10.1016/j.apsusc.2012.08.117

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Electronic structures in unoccupied states of thin Bi film studied with two-photon photoemission spectroscopy2013

    • Author(s)
      M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M .Kamada
    • Journal Title

      Appl. Surf. Sci

      Volume: 267 Pages: 66-66

    • DOI

      10.1016/j.apsusc.2012.07.002

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Unoccupied band dispersion of Si(111):√3×√3-Ag surface studied by time- and angle-resolved two-photon photoemission spectroscopy2012

    • Author(s)
      K. Takahashi, J. Azuma, and M. Kamada
    • Journal Title

      J. Electron Spectrosc. Relat. Phenom.

      Volume: 185 Issue: 12 Pages: 547-551

    • DOI

      10.1016/j.elspec.2012.11.012

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Two-dimensional band dispersion and momentum-resolved lifetime of image-potential state on graphite studied by angle-resolved multi-photon photoemission spectroscopy2012

    • Author(s)
      Kazutoshi Takahashi, Junpei Azuma, and Masao Kamada
    • Journal Title

      Phys. Rev. B

      Volume: 85 Issue: 7 Pages: 75325-75325

    • DOI

      10.1103/physrevb.85.075325

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Presentation] BiAg/Ag(111)表面の非占有電子状態2013

    • Author(s)
      今村真幸,遠藤修平,高橋和敏,山本勇,東純平,鎌田雅夫
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      東広島市
    • Related Report
      2012 Final Research Report
  • [Presentation] Si(111)上 Ag ナノ薄膜の非占有量子化電子状態2013

    • Author(s)
      Si(111)上 Ag ナノ薄膜の非占有量子化電子状態
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      東広島市
    • Related Report
      2012 Final Research Report
  • [Presentation] SiC 上エピタキシャルグラフェンの 1 光子及び 2 光子光電子分光法による研究2013

    • Author(s)
      穴見峻平、於保遂大、高橋和敏、今村真幸、山本勇、東純平、鎌田雅夫
    • Organizer
      第26回日本放射光学会年会・放射光科学合同シンポジウム
    • Place of Presentation
      名古屋市
    • Related Report
      2012 Final Research Report
  • [Presentation] SiC上エピタキシャルグラフェンの1光子及び2光子光電子分光法による研究2013

    • Author(s)
      穴見峻平、於保遂大、高橋和敏、今村真幸、山本勇、東純平、鎌田雅夫
    • Organizer
      第26回日本放射光学会年会・放射光科学合同シンポジウム
    • Place of Presentation
      名古屋市
    • Related Report
      2012 Annual Research Report
  • [Presentation] Si(111)上Agナノ薄膜の非占有量子化電子状態2013

    • Author(s)
      石橋一典,高橋和敏,今村真幸,東純平,山本勇,鎌田雅夫
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      東広島市
    • Related Report
      2012 Annual Research Report
  • [Presentation] BiAg/Ag(111)表面の非占有電子状態2013

    • Author(s)
      今村真幸,遠藤修平,高橋和敏,山本勇,東純平,鎌田雅夫
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      東広島市
    • Related Report
      2012 Annual Research Report
  • [Presentation] Study of Quantum Well States in Bi Thin Film by Two-photon Photoemission Spectroscopy2012

    • Author(s)
      M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M. Kamada, and H. Yasuda
    • Organizer
      The 12th International Conference on Electron Spectroscopy and Structure (ICESS-12)
    • Place of Presentation
      Saint-Malo, France.
    • Related Report
      2012 Final Research Report
  • [Presentation] Excited Electronic States on Epitaxial Graphene Studied by Two-photon Photoemission Spectroscopy2012

    • Author(s)
      K. Takahashi, S. Anami, M. Imamura, I. Yamamoto, J. Azuma, and M. Kamada
    • Organizer
      The 12th International Conference on Electron Spectroscopy and Structure (ICESS-12)
    • Place of Presentation
      Saint-Malo, France
    • Related Report
      2012 Annual Research Report 2012 Final Research Report
  • [Presentation] SiC 上エピタキシャルグラフェンの 2 光子光電子分光2012

    • Author(s)
      高橋和敏,穴見峻平,今村真幸,東純平,山本勇,鎌田雅夫
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      西宮市
    • Related Report
      2012 Final Research Report
  • [Presentation] Study of Quantum Well States in Bi Thin Film by Two-photon Photoemission Spectroscopy2012

    • Author(s)
      M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M. Kamada, and H. Yasuda
    • Organizer
      The 12th International Conference on Electron Spectroscopy and Structure (ICESS-12)
    • Place of Presentation
      Saint-Malo, France
    • Related Report
      2012 Annual Research Report
  • [Presentation] SiC上エピタキシャルグラフェンの2光子光電子分光2012

    • Author(s)
      高橋和敏,穴見峻平,今村真幸,東純平,山本勇,鎌田雅夫
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      関西学院大学
    • Related Report
      2011 Research-status Report
  • [Presentation] グラファイト上の鏡像準位の時間分解角度分解 2 光子光電子分光2011

    • Author(s)
      高橋和敏,今村真幸,東純平,鎌田雅夫
    • Organizer
      日本物理学会 2011年秋季大会
    • Place of Presentation
      富山市
    • Related Report
      2012 Final Research Report
  • [Presentation] グラファイト上の鏡像準位の時間分解角度分解2光子光電子分光2011

    • Author(s)
      高橋和敏,今村真幸,東純平,鎌田雅夫
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学
    • Related Report
      2011 Research-status Report
  • [Remarks] 佐賀大学シンクロトロン光応用研究センター 研究活動 研究業績

    • URL

      http://www.slc.saga-u.ac.jp/research/papers2012

    • Related Report
      2012 Annual Research Report

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Published: 2011-08-05   Modified: 2020-05-15  

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