Superlattice umklapp processes in resonant Raman scattering

G.A. Sai-Halasz; A. Pinczuk; P.Y. Yu; L. Esaki

doi:10.1016/0039-6028(78)90497-1

Surface Science

Paper

01 May 1978

Superlattice umklapp processes in resonant Raman scattering

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Abstract

Umklapp resonant Raman scattering by LO phonons is observed in GaAsGa1-xAlxAs superlattices as a result of minizone formation in the conduction and valence bands. The scattering mechanism involves the wavevector dependent Fröhlich-type electron-phonon interaction. © 1978.

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