Brillouin scattering in ferroelectrical Pb3MgNb2O9

G. A. Smolensky,S. D. Prokhorova,I. G. Siny, E. O. Chernishova

FERROELECTRICS（2011）

引用 18|浏览3

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摘要

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.

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关键词

brillouin scattering,phase transition

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