Shashikala, M. N. ; Chandrabhas, N. ; Jayaram, K. ; Jayaraman, A. ; Sood, A. K. (1994) High pressure Raman spectroscopic study of LiCsSO4: pressure induced phase transitions and amorphization Journal of Physics and Chemistry of Solids, 55 (1). pp. 107-112. ISSN 0022-3697
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0022-3697(94)90190-2
Abstract
A Raman study of LiCsSO4 as a function of pressure up to 26 GPa has revealed three distinct first order phase transitions at 2.0, 4.0 and 7.2 GPa. Above 10 GPa the external modes merge with the background and the internal modes broaden, suggesting the occurrence of a pressure-induced amorphizaion. The reappearance of external modes and the restoration of spectral features upon decompression shows a reversible transition from the amorphous to a crystalline phase.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Lithium Cesium Sulphate; Raman Scattering; High Pressure; Phase Transitions; Amorphization |
| ID Code: | 50210 |
| Deposited On: | 22 Jul 2011 13:45 |
| Last Modified: | 22 Jul 2011 13:45 |
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