Polarized zone-center phonon modes of wurtzite GaAs

被引：8

作者：

Crankshaw, Shanna ^{[1
]}

Chuang, Linus C.

Moewe, Michael

Chang-Hasnain, Connie

机构：

[1] Univ Calif Berkeley, Appl Sci & Technol Grp, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 23期

关键词：

RAMAN-SCATTERING; ALUMINUM NITRIDE; NANOWIRES; CRYSTALS;

D O I：

10.1103/PhysRevB.81.233303

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Zone-center optical phonons are studied via polarized micro-Raman scattering in wurtzite GaAs crystals grown on sapphire. Polarized spectra reveal the A(1)-E(1) splitting in the Raman spectra of all polar optical modes of the wurtzite crystal. The polar mode splitting can be used to estimate a material birefringence of Delta(n)similar to 0.02.

引用

页数：4

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