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References (7)
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K. S. Aleksandrov F. Prokert (1984)
10.1002/pssb.2221240208Phys. Status Solidi B, 124
- Publisher
- Springer Journals
- Copyright
- 2011 Pleiades Publishing, Ltd.
- ISSN
- 1063-7745
- eISSN
- 1562-689X
- DOI
- 10.1134/s1063774511010159
- Publisher site
- See Article on Publisher Site
Abstract
Abstract The Raman spectra of Rb2KInF6 elpasolite crystal have been studied in a wide temperature range, including two phase transitions: from the cubic phase to the tetragonal phase and then to the monoclinic phase. Several anomalies of internal modes of InF6 octahedra and low-frequency lattice vibrations, which are related to the structural changes at the transition points, have been found and quantitatively analyzed. The results of a quantitative analysis of the temperature dependences of the parameters of spectral lines are in good agreement with the thermodynamic data on the phase transitions.
Journal
Crystallography Reports – Springer Journals
Published: Jan 1, 2011
Keywords: Crystallography and Scattering Methods