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首页> 外文期刊>Journal of Crystal Growth >Growth evolution and magneto-optical characteristics of self-assembled ZnTe/ZnMnSe quantum dots
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Growth evolution and magneto-optical characteristics of self-assembled ZnTe/ZnMnSe quantum dots

机译:自组装ZnTe / ZnMnSe量子点的生长演化和磁光特性

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摘要

The growth evolution and the magneto-optical characteristics of the self-assembled single-layer ZnTe/ ZnMnSe quantum dots grown by molecular beam epitaxy were investigated. As the ZnTe coverage is above 2.0 monolayers, a Stranski-Krastanov growth process is observed with a significantly increased dot density on top of two-dimensional plateaus. As the coverage exceeds 2.7 monolayers, ripened dots dominate instead. Furthermore, a saturated degree of circular polarization of 76% at applied magnetic field of 4 T and the formation of magnetic polarons with a formation time of 7.4 ns were demonstrated.
机译:研究了分子束外延生长的自组装单层ZnTe / ZnMnSe量子点的生长演化和磁光特性。当ZnTe覆盖率超过2.0单层时,观察到Stranski-Krastanov生长过程,在二维平台顶部,点密度显着增加。当覆盖率超过2.7单层时,成熟点将占主导地位。此外,还证明了在施加的磁场强度为4 T时,圆极化的饱和度为76%,形成磁极化子的时间为7.4 ns。

著录项

  • 来源
    《Journal of Crystal Growth》 |2013年第1期|222-225|共4页
  • 作者单位

    Center of Nanoscience and Technology, Tunghai University, Takhung, Taiwan, Republic of China;

    Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan, Republic of China;

    Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan, Republic of China;

    Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan, Republic of China;

    Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan, Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A1. Nanostructures; A3. Molecular beam epitaxy; B1. Zinc compounds; B2. Magneto-optic materials;

    机译:A1。纳米结构;A3。分子束外延;B1。锌化合物;B2。磁光材料;

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