| RAMAN SCATTERING OF α-ET3(ReO4)2 CHARGE-TRANSFER SALT |
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| 作者姓名： | 刘道志 |
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| 作者单位： | Analysis Center, Tianljin University, Tianjin 300072, China;Clarendon Laboratory, Department of Physics, Oxford University, Oxford OX1 3PU, U.K. |
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| 摘 要： | We describe the results of Haman studies on C=C stretch modes in α-ET3(ReO4)2 charge-transfer salt with the incident laser beam polarised perpendicular and parallel to the large flat face of plate-like crystal. We have assigned central C=C stretch mode at 1454 cm-1 and ring C=C stretch mode at 1470cm-1. The change in ring C=C stretch vibration was observed at the metal-insulator transition of α-ET3(ReO4)2 on warming due to the distortion of the ET molecules.
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