Phonon spectra of ultrathin GaAs/AlAs superlattices: An<i>ab initio</i>calculation

Baroni, Stefano; Giannozzi, Paolo; Molinari, Elisa

doi:10.1103/physrevb.41.3870

Public

Phonon spectra of ultrathin GaAs/AlAs superlattices: Anab initiocalculation

Published in Physical review. B, Condensed matter • Feb 15, 1990

Authors:

Stefano Baroni

Paolo Giannozzi

Elisa Molinari

Abstract

Phonon spectra of ultrathin (GaAs${)}_{\mathrm{n}}$(AlAs${)}_{\mathrm{n}}$ (001) superlattices are studied theoretically using linear-response density-functional techniques. Results are presented for n=1,2,3 superlattices, along with prototype supercell calculations aimed at simulating a completely ...

Subject

Superlattice

Condensed matter physics

Phonon

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