Journal
PHYSICS OF THE SOLID STATE
Volume 51, Issue 9, Pages 1886-1893Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063783409090200
Keywords
-
Categories
Funding
- Presidium of the Russian Academy of Science
- Russian Foundation for Basic Research [07-02-00375]
Ask authors/readers for more resources
The Raman spectra of single-crystal YVO4, GdVO4, and ZrSiO4 with a zircon structure, as well as CaWO4 and BaWO4 with a scheelite structure, are studied in detail over a wide temperature range 14-800 K. An inhomogeneous splitting of the A (1g) (nu(2)) vibrational lines in the Raman spectra of YVO4 and GdVO4 and the A (g) (nu(1)) vibrational lines in the spectrum of CaWO4 is detected. It is shown that the profiles of these lines can be decomposed into two components, whose integrated intensities are redistributed with temperature and also depend on the matrix kind in which they are detected. The phenomenon observed is associated with the thermally activated processes of disorientation of the tetrahedral anions in the zircon and scheelite structures.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available