Daniel J. Coady, Amanda C. Engler, et al.
ACS Macro Letters
Paper
Study of the cancellation of the lattice mismatch in GaSb-AlSb superlattices
Abstract
Raman scattering and optical transmission measurements are used to study the strains appearing in GaSb-AlSb superlattices. Raman resonances at the E1 transition of GaSb and frequency shifts of both GaSb and AlSb LO phonons for different samples indicate that the strains affect mostly the less abundant component of the superlattice. Our results show that the understanding of the valence-band offset for these systems remains an open problem. © 1986.
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