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

引用

页数：4

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