Surface acoustic wave velocity and elastic constants of cubic GaN

被引：3
|
作者：
Jimenez Rioboo, Rafael J. [1 ]
Cusco, Ramon [2 ]
Prieto, Carlos [1 ]
Kopittke, Caroline [1 ,3 ,4 ]
Novikov, Sergei V.
Artus, Luis [2 ]
机构：
[1] CSIC, Inst Ciencia Mat Madrid, Sor Juana Ines de la Cruz 3, E-28049 Madrid, Spain
[2] CSIC, Inst Jaume Almera ICTJA, Lluis Sole & Sabaris S-N, E-08028 Barcelona, Spain
[3] Tech Univ Dortmund, Fak Phys, D-44221 Dortmund, Germany
[4] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England
来源：
APPLIED PHYSICS EXPRESS | 2016年 / 9卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
VAPOR-PHASE EPITAXY; BRILLOUIN-SCATTERING; GALLIUM NITRIDE; ALN; INN; ZINCBLENDE; RAMAN; LAYERS; MODES;
D O I：
10.7567/APEX.9.061001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present high-resolution surface Brillouin scattering measurements on cubic GaN layers grown on GaAs substrate. By using a suitable scattering geometry, scattering by surface acoustic waves is recorded for different azimuthal angles, and the surface acoustic wave velocities are determined. A comparison of experimental results with numerical simulations of the azimuthal dependence of the surface wave velocity shows good agreement and allows a consistent set of elastic constants for c-GaN to be determined. (C) 2016 The Japan Society of Applied Physics
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页数：4
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