Phonons in GaAs-AlxGa1-xAs superlattices

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116 Scopus citations

Abstract

This paper reviews experimental and theoretical results on superlattice phonons in GaAs-AlxGa1-xAs structures. Emphasis is given to the phonon confinement problem and its implications for the understanding of bulk dispersion relations as well as for the structural characterization of superlattices. The dielectric continuum model, subject of controversy over the last few years, is discussed in detail. Finally, a comprehensive analysis underscores the importance of resonance Raman studies for the investigation of exciton physics in quantum wells and illustrates their possible applications for characterization purposes.

Original languageEnglish (US)
Pages (from-to)285-314
Number of pages30
JournalJournal of Luminescence
Volume44
Issue number4-6
DOIs
StatePublished - Dec 1989

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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