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Near-forward Raman study of a phonon-polariton reinforcement regime in the Zn(Se,S) alloy

Journal of Applied Physics, ISSN: 1089-7550, Vol: 116, Issue: 8
2014
  • 13
    Citations
  • 0
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  • 6
    Captures
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    13
    • Citation Indexes
      13
  • Captures
    6

Article Description

We investigate by near-forward Raman scattering a presumed reinforcement of the (A-C,B-C)-mixed phonon-polariton of a ABC zincblende alloy when entering its longitudinal optical-like (LO-like) regime near the Brillouin zone centre Γ, as predicted within the formalism of the linear dielectric response. A choice system to address such issue is ZnSe S due to the moderate dispersion of its refractive index in the visible range, a sine qua non condition to bring the phonon-polariton insight near Γ. The LO-like reinforcement regime is actually accessed by using the 633.0nm laser excitation, testified by the strong emergence of the (Zn-Se,Zn-S)-mixed phonon-polariton at ultimately small scattering angles. © 2014 AIP Publishing LLC.

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