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

被引：4
|
作者：
Volodin, V. A. [1 ,2 ]
Kozhukhov, A. S. [1 ,2 ]
Latyshev, A. V. [1 ,2 ]
Shcheglov, D. V. [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Semicond Phys, Siberian Branch, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
JETP LETTERS | 2012年 / 95卷 / 02期
关键词：
INTERFACE STRUCTURE; CORRUGATED SUPERLATTICES; QUANTUM WIRES; PLASMON MODES; SURFACE; GAAS; SCATTERING; ANISOTROPY;
D O I：
10.1134/S0021364012020117
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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.
引用
收藏
页码：70 / 73
页数：4
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