Abstract

Recent advances in the study of excitons in semiconductors using resonant Raman and Brillouin scattering are reviewed. These spectroscopies are shown to provide new information on the symmetry, dispersion and relaxation of excitons, on interaction of excitons with longitudinal optical phonons (Frohlich interaction) and with acoustic phonons (deformation potential and piezoelectric interactions) and on bound excitons. Theoretical calculations are compared with experimental results in Cu20, GaAs, CdS and CdSe.

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