Folded phonons from lateral periodicity in (311) GaAs/AlAs corrugated superlattices

 
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1995 (EN)

Folded phonons from lateral periodicity in (311) GaAs/AlAs corrugated superlattices (EN)

Popovic, ZV (EN)
Vukmirovic, MB (EN)
Ploog, K (EN)
Raptis, YS (EN)
Anastassakis, E (EN)
Notzel, R (EN)

We present an analysis of folded acoustic-phonon Raman scattering in (311)-oriented GaAs/AlAs superlattices with periodically corrugated interfaces. Besides folded phonons from q parallel to the growth direction, the folded acoustic-phonon modes from additional periodicity along the [011̄] direction are observed at frequencies that are in complete agreement with continuum model calculations. The influence of surface corrugation on confined optical-phonon modes is also discussed. © 1995 The American Physical Society. (EN)

journalArticle (EN)

superlattices (EN)
Physics, Condensed Matter (EN)
GAAS (EN)
DIRECTIONS (EN)


Physical Review B (EN)

English

1995 (EN)

10.1103/PhysRevB.52.5789 (EN)
ISI:A1995RR28800057 (EN)
5794 (EN)
8 (EN)
0163-1829 (EN)
5789 (EN)
52 (EN)

AMERICAN PHYSICAL SOC (EN)




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