Brillouin scattering in ferroelectrical Pb3MgNb2O9
- 1 January 1976
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 12 (1) , 137-138
- https://doi.org/10.1080/00150197608241408
Abstract
Brillouin spectra of transverse and longitudinal phonons which correspond to the elastic constants C11, c12 and c44 have been measured in a wide temperature region from 77 to 650°K. The observed phonons show softening in the phase transition region.Keywords
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