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Exciton AB effect in self-assembled quantum rings

Research Project

Project/Area Number 19510113
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Nanostructural science
Research InstitutionNational Institute for Materials Science

Principal Investigator

KURODA Takashi  National Institute for Materials Science, 量子ドットセンター, 主幹研究員 (00272659)

Co-Investigator(Kenkyū-buntansha) MANO Takaaki  独立行政法人物質・材料研究機構, 量子ドットセンター, 主任研究員 (60391215)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywordsナノ構造物性 / 量子ドット / 半導体 / 励起子 / アハロノフ・ボーム効果 / 磁気分光 / アハロノブ・ボーム効果
Research Abstract

液滴エピタキシー成長手法を用いることで回転対称性のよいガリウム砒素量子リング構造を作製できる。我々は孤立した1個の量子リングに対し、10テスラまでの磁気発光スペクトルを観測し、その結果、6テスラ程度の磁場領域で、顕著な発光強度の減衰が見出された。中性励起子状態のアハロノフ・ボーム効果に由来すると考えられる。

Report

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

    (10 results)

All 2009 2008 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (4 results) Remarks (1 results)

  • [Journal Article] Magnetophotluminescence in droplet epitaxial qnatum rings2009

    • Author(s)
      黒田 隆, T. Belhadj, 間野 高明、B. Urbaszek, T. Amand, X. Marie, 迫田 和彰、小口 信行
    • Journal Title

      Physica Status Solidi B 246

      Pages: 861-863

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Photon antibunching in double quantum ring structures2009

    • Author(s)
      M. Abbarchi, C. A. Mastrandrea, A. Vinattieri, S. Sanguinetti, 間野 高明、黒田 隆, 迫田 和彰、小口 信行, M. Gurioli
    • Journal Title

      Phys. Rev. B 79

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Magnetophotoluminescence in droplet epitaxial quantum rings2009

    • Author(s)
      黒田隆
    • Journal Title

      Physica Status Solidi B 246

      Pages: 861-863

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Optically monitored nuclear spin dynamics in individual GaAs quantum dots grown by droplet epitaxy2008

    • Author(s)
      T. Belhadj, 黒田 隆, C.-M. Simon, T. Amand, 間野 高明, 迫田 和彰、小口 信行, X. Marie, and B. Urbaszek
    • Journal Title

      Phys. Rev. B 78

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Magneto-photoluminescence study in GaAs/AlGaAs self-assembled quantum dots2008

    • Author(s)
      M.Abbarchi, 黒田 隆, 間野 高明, 迫田 和彰、木戸 義勇、小口 信行, L. Cavigli, M. Gurioli, and S. Sanguinetti
    • Journal Title

      Physica E 40

      Pages: 1982-1984

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 単一GaAs量子リングの磁気発光2008

    • Author(s)
      黒田 隆, 間野 高明、T. Belhadj, B. Urbaszek, T. Amand, X. Marie, 迫田 和彰、小口 信行
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-15
    • Related Report
      2008 Final Research Report
  • [Presentation] 単一GaAs量子リングの磁気発光2008

    • Author(s)
      黒田隆
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学、盛岡市
    • Year and Date
      2008-09-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Magnetophotluminescence in droplet epitaxial qnatum rings2008

    • Author(s)
      黒田 隆, T. Belhadj, 間野 高明、B. Urbaszek, T. Amand, X. Marie, 迫田 和彰、小口信行
    • Organizer
      The 5th International Conference on Semiconductor Quantum Dots
    • Place of Presentation
      Geongju, Korea
    • Year and Date
      2008-05-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Magnetophotoluminescence in droplet epitaxial quantum rings2008

    • Author(s)
      黒田隆
    • Organizer
      The 5th International Conference on Semiconductor Quantum Dots
    • Place of Presentation
      Hotel Hyundai Geoungju, Korea
    • Year and Date
      2008-05-15
    • Related Report
      2008 Annual Research Report
  • [Remarks] ホームページ等

    • URL

      http://www.nims.go.jp/laser-kuroda

    • Related Report
      2008 Final Research Report

URL: 

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

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