| 分子晶体的高压Raman光谱及结构相变 |
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| 引用本文： | 赵永年,邹广田.分子晶体的高压Raman光谱及结构相变[J].高压物理学报,1989,3(4):269-278. |
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| 作者姓名： | 赵永年 邹广田 |
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| 作者单位： | 吉林大学原子与分子物理研究所
(赵永年)，吉林大学原子与分子物理研究所(邹广田) |
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| 摘 要： | 本文综合我们从NH3F（氟化胺）、HCCl3（氯仿）、HCBr3（溴仿）、S8（硫）和C3N6H6（三聚氰胺）等分子晶体获得的高压Raman光谱数据，讨论了分子晶体Raman光谱的谱带强度，频率位移，晶场劈裂和Grüneisen常数等对压力的依赖关系。总结了分子晶体压致结构相变的光谱证据和高压新相结构确定的几种方法。
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| 关 键 词： | 分子晶体 Raman光谱 结构相转变 |
| 收稿时间： | 1989-07-22; |
HIGH-PRESSURE RAMAN SPECTRA AND STRUCTURE PHASE TRANSITION FOR MOLECULE CRYSTALS |
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| Zhao Yongnian,Zou GuangtIan.HIGH-PRESSURE RAMAN SPECTRA AND STRUCTURE PHASE TRANSITION FOR MOLECULE CRYSTALS[J].Chinese Journal of High Pressure Physics,1989,3(4):269-278. |
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| Authors: | Zhao Yongnian Zou GuangtIan |
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| Institution: | Institute of Atomic and Molecular Physics, Jilin University, Changchun 130023, China |
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| Abstract: | Pressure dependence on the intensities and frequences of Raman bonds, crystal field splitting and mode-Gruneisen paramenter were discussed. Raman data were taken from our experements on NH3F, HCCl3,HCBr3,Sg and C3N6H6 et al. Raman spectroscopic evidence for pressure induced structure phase transition of molecule crystal and the methods to determine new phase under high pressure were sumed up. |
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| Keywords: | molecule crystal Raman spectra structure phase transition |
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