| Anisotropic Raman spectroscopy of a single β-Ga2O3 nanobelt |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China and the National Basic Research Program of China （2011CB925602, 2010DAF0260）. |
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| 摘 要： | 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.
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| 关 键 词： | Raman spectroscopy gallium oxide polarization nanostructure |
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