Folding of acoustic-phonon modes in GaAs/AlAs (311)A superlattices in the direction perpendicular to nanofacets

被引：0
|
作者：
V. A. Volodin
A. S. Kozhukhov
A. V. Latyshev
D. V. Shcheglov
机构：
[1] Russian Academy of Sciences,Institute of Semiconductor Physics, Siberian Branch
[2] Novosibirsk State University,undefined
来源：
JETP Letters | 2012年 / 95卷
关键词：
GaAs; JETP Letter; Acoustic Phonon; Reflection High Energy Electron Diffraction; Heteroepitaxial Growth;
D O I：
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学科分类号：
摘要：
GaAs/AlAs superlattices grown on a nanofaceted (311)A surface are studied by atomic-force microscopy and Raman scattering spectroscopy. The spectra of backscattered light in the direction perpendicular to the nano-facets exhibit peaks corresponding to folded acoustic phonons. The period estimated from the positions of these peaks is 1.6 nm, which corresponds to half of the spacing between the nanofacets.
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页码：70 / 73
页数：3
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