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Optical phonons in laser-deposited CdSTe films

Applied Physics Letters, ISSN: 0003-6951, Vol: 70, Issue: 24, Page: 3239-3241
1997
  • 29
    Citations
  • 0
    Usage
  • 5
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    29
    • Citation Indexes
      28
    • Policy Citations
      1
      • 1
  • Captures
    5

Article Description

We report the longitudinal optical (LO) phonon frequencies for thin films of the ternary alloy CdSTe and their composition dependence for the full range of x values from pure CdTe to pure CdS. Pulsed laser deposition was used to prepare the polycrystalline thin films including compositions well inside the miscibility gap. We find that this ternary system exhibits a "two-mode" behavior with CdS- and CdTe-like longitudinal optic phonon modes. The modified random-element isodisplacement model yields a good description of the composition dependence of the LO phonon frequencies. © 1997 American Institute of Physics.

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