Anisotropic Raman spectroscopy of a single β-Ga2O3 nanobelt

The polarization dependence of the Raman spectra of a single ultra-wide β-Ga2O3 nanobelt was studied. The spectra were found to strongly depend on the relative angle between the polarization of the incident light and the axis of the β-Ga2O3 nanobelt. Such behavior was ascribed to the large length to...

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Bibliographic Details
Published in:Chinese science bulletin 2012-02, Vol.57 (6), p.565-568
Main Authors: Sun, Zheng, Yang, LinHong, Shen, XueChu, Chen, ZhangHai
Format: Article
Language:English
Subjects:
Chemistry/Food Science
Earth Sciences
Engineering
Humanities and Social Sciences
Letter
Life Sciences
multidisciplinary
Physics
Science
Science (multidisciplinary)
介电常数
各向异性
拉曼光谱
无催化剂
氧化镓
热化学气相沉积
纳米带
纳米结构
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Summary:The polarization dependence of the Raman spectra of a single ultra-wide β-Ga2O3 nanobelt was studied. The spectra were found to strongly depend on the relative angle between the polarization of the incident light and the axis of the β-Ga2O3 nanobelt. Such behavior was ascribed to the large length to width ratio of the nanostructure and its small dielectric constant. The ultra-wide β-Ga2O3 nanobelt was fabricated using catalyst-free thermal chemical vapor deposition.
ISSN:1001-6538
1861-9541
DOI:10.1007/s11434-011-4920-2