Synthesis of wurtzite ZnSe nanorings by thermal evaporation

  • Leung Y
  • Choy W
  • Markov I
 et al. 
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Abstract

In this study, free standing crystalline ZnSe nanorings and nanowires
have been fabricated on Au coated Si substrates by simple thermal
evaporation of ZnSe powders. Ring- or wirelike morphology can be
achieved in a controllable manner by using different reactor pressures
during growth, while all the other conditions remain the same. Our
results show that the ZnSe nanorings are wurtzite phase instead of the
zinc-blende phase, observed in typical one-dimensional ZnSe
nanostructures. The growth mechanism of the nanorings has been
discussed, and the cathodoluminescence of the nanorings has been
described.

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