PLANAR VIBRATIONAL-MODES IN SUPERLATTICES

被引：37
作者：
SHANABROOK, BV
BENNETT, BR
WAGNER, RJ
机构：
[1] Naval Research Laboratory, Washington
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.48.17172
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Vibrational Raman scattering and x-ray diffraction have been performed on GaSb/InAs superlattices. The composition of the AsxSb1-x plane that connects the InAs and GaSb layers has been varied by controlled growth techniques. When x is equal to 0 or 1, the InAs and GaSb layers are connected with InSb or GaAs bonds, respectively. Planar vibrational modes (PVM's) localized at the interface are observed. The energies of the GaAs-like and InSb-like PVM's are studied as a function of x and are compared with results of a random-element isodisplacement model.
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页码：17172 / 17176
页数：5
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