Low frequency Raman scattering in chalcogenide glasses

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Low frequency Raman spectra of chalcogenide glasses are analyzed in terms of matrix element effects and modes of a layered structure. The spectra of GeSe2 at low temperature shows no peaks which can be assigned to layer modes. The reduced spectra indicates that the density of states exhibits nearly ω2 dependence for ω < 60 cm-1, and the coupling constant approaches ω2 dependence at frequencies less than 20 cm-1.

Original languageEnglish (US)
Pages (from-to)851-854
Number of pages4
JournalJournal of Non-Crystalline Solids
Volume59-60
Issue numberPART 2
DOIs
StatePublished - Dec 1983
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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