| 胶体二硫化钼的高压拉曼散射研究 |
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| 引用本文： | 赵亚军,张增明,丁泽军,张权.胶体二硫化钼的高压拉曼散射研究[J].高压物理学报,2007,21(2):215-219. |
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| 作者姓名： | 赵亚军 张增明 丁泽军 张权 |
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| 作者单位： | 1. 合肥微尺度物质科学国家实验室、中国科技大学物理系,安徽合肥,230026
2. 合肥微尺度物质科学国家实验室、中国科技大学天文与应用物理系,安徽合肥,230026 |
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| 基金项目： | 国家自然科学基金(10025420) |
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| 摘 要： | 测量了平均直径为4 μm的胶体二硫化钼粉剂的高压拉曼光谱。实验结果表明，高压下胶体二硫化钼拉曼峰位随压力增大向高波数方向移动，而峰强随压力增大而减小且峰宽展宽。通过对拉曼峰位移随压力变化的曲线分析，得到了胶体二硫化钼的两个振动模式E12g和A1g的模式格林爱森常数值。
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| 关 键 词： | 胶体二硫化钼 高压拉曼散射 格林爱森常数 |
| 文章编号： | 1000-5773（2007）02-0215-05 |
| 收稿时间： | 2006-06-14 |
| 修稿时间： | 2006-06-142006-10-17 |
Raman Scattering Study of Colloidal MoS2 under High Pressure |
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| ZHAO Ya-Jun,ZHANG Zeng-Ming,DING Ze-Jun,ZHANG Quan.Raman Scattering Study of Colloidal MoS2 under High Pressure[J].Chinese Journal of High Pressure Physics,2007,21(2):215-219. |
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| Authors: | ZHAO Ya-Jun ZHANG Zeng-Ming DING Ze-Jun ZHANG Quan |
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| Institution: | 1. Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics, University of Science &; Technology of China, Hefei 230026, China;2. Hefei National Laboratory for Physical Sciences at Microscale and Department of Astronomy and Applied Physics, University of Science &; Technology of China, Hefei 230026, China |
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| Abstract: | Raman spectra of colloidal MoS2 powder with the average diameter of 4 μm under high pressures were measured. The experimental results indicate that the Raman bands shift to higher wavenumbers with the increase of pressure, while the intensity decreases and the FWHM increases. The mode Grüneisen constants for E12g and A1g modes were obtained through the data analysis of the Raman bands shift with pressure. |
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| Keywords: | colloidal MoS2 high pressure Raman scattering Grtineisen constant |
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