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Growth and characterisation of CdSe:Mn quantum dots

  • X. Tang
  • , B. Urbaszek
  • , T. C.M. Graham
  • , R. J. Warburton
  • , K. A. Prior
  • , B. C. Cavenett
  • Heriot-Watt University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

In this paper, we report the optical properties of CdSe:Mn dots grown by Atomic Layer Epitaxy (ALE). The samples were grown on GaAs substrates with a 150nm buffer of ZnSe deposited by normal MBE. CdSe layers of different thicknesses were deposited by ALE and then capped with ZnSe. Quantum dot emission was observed for CdSe layers more than 3 ML thick. Two sets of layers containing dots have been grown which were doped with Mn to give concentrations ranging from one to approximately ten Mn ions per dot. One set was capped for optical studies and the other left uncapped. For the uncapped samples, dot densities of the order of ∼109 cm-2 were measured by Atomic Force Microscopy (AFM) measurements obtained immediately after growth (figure 1).

源语言英语
主期刊名MBE 2002 - 2002 12th International Conference on Molecular Beam Epitaxy
出版商Institute of Electrical and Electronics Engineers Inc.
259-260
页数2
ISBN(电子版)0780375815, 9780780375819
DOI
出版状态已出版 - 2002
已对外发布
活动12th International Conference on Molecular Beam Epitaxy, MBE 2002 - San Francisco, 美国
期限: 15 9月 200220 9月 2002

出版系列

姓名MBE 2002 - 2002 12th International Conference on Molecular Beam Epitaxy

会议

会议12th International Conference on Molecular Beam Epitaxy, MBE 2002
国家/地区美国
San Francisco
时期15/09/0220/09/02

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