| Autor: |
I. P. Swainson, M. T. Dove, D. C. Palmer |
| Zdroj: |
Physics & Chemistry of Minerals; Jul2003, Vol. 30 Issue 6, p353-365, 46p |
| Abstrakt: |
Infrared and Raman spectra of cristobalite are presented as a function of temperature through the phase transition. The modes are assigned and the assignments compared to those of earlier workers. The compatibility of modes at the G-point of the a-phase with the X and G-points of the ß-phase is given. In the transition region of ca. 500–550 K, smooth changes in intensity, frequency and linewidths are seen in many modes, indicative of coexistence of a- and ß-forms. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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