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Forward Raman scattering in GaAs/AlAs superlattices: Study of optical phonon anisotropy

  • D. A. Tenne
  • , V. A. Haisler
  • , N. T. Moshegov
  • , A. I. Toropov
  • , A. P. Shebanin
  • , D. R.T. Zahn
  • Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences
  • Geophys. Mineral.
  • Chemnitz University of Technology

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We present the forward Raman scattering study of zone-centre optical phonon anisotropy in short-period GaAs/AlAs superlattices. Experiments were performed on specially prepared superlattice structures having anti-reflection dielectric coatings and removed substrates. The experimental data are compared with the angular dispersion of superlattice optical phonons calculated within the dielectric susceptibility model. We have found a good agreement between the experimental data and the calculations taking into account interface disorder.

Original languageEnglish
Pages (from-to)371-376
Number of pages6
JournalEuropean Physical Journal B
Volume8
Issue number3
DOIs
StatePublished - Apr 1999

Keywords

  • 63.22.+m Phonons in low-dimensional structures and small particles
  • 78.30.Fs III-V and II-VI semiconductors

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