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Surface plasmon on topological insulator/dielectric interface enhanced ZnO ultraviolet photoluminescence

  • Zhi Min Liao*
  • , Bing Hong Han
  • , Han Chun Wu
  • , L. V. Yashina
  • , Yuan Yan
  • , Yang Bo Zhou
  • , Ya Qing Bie
  • , S. I. Bozhko
  • , K. Fleischer
  • , I. V. Shvets
  • , Qing Zhao
  • , Da Peng Yu
  • *此作品的通讯作者
  • Peking University
  • Trinity College Dublin
  • Lomonosov Moscow State University
  • RAS - Institute of Solid State Physics

科研成果: 期刊稿件文章同行评审

摘要

It has recently been predicted that the surface plasmons are allowed to exist on the interface between a topological insulator and vacuum. Surface plasmons can be employed to enhance the optical emission from various illuminants. Here, we study the photoluminescence properties of the ZnO/Bi 2Te3 hybrid structures. Thin flakes of Bi 2Te3, a typical three-dimensional topological insulator, were prepared on ZnO crystal surface by mechanical exfoliation method. The ultraviolet emission from ZnO was found to be enhanced by the Bi 2Te3 thin flakes, which was attributed to the surface plasmon - photon coupling at the Bi2Te3/ZnO interface.

源语言英语
期刊论文编号022105
期刊AIP Advances
2
2
DOI
出版状态已出版 - 6月 2012
已对外发布

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