Raman scattering in ordered and disordered perovskite type crystals

1 January 1976

journal article
research article
Published by Informa UK Limited in Ferroelectrics

Vol. 12 (1), 135-136
https://doi.org/10.1080/00150197608241407

Abstract

Raman scattering from mixed ordered and disordered crystals with perovskite structure has been investigated. In the paraelectric phase of the ordered crystal first-order lines were observed with symmetry properties forbidden for an ideal perovskite structure. Also, Raman line in the high frequency region is attributed to local mode associated with charge inequivalency of ions at B positions.

Keywords

This publication has 4 references indexed in Scilit:

‘Dirty’ displacive ferroelectrics
Solid State Communications, 1973
Raman Spectrum of K ${Ta}_{0.64}$ ${Nb}_{0.36}$ $O_{3}$
Physical Review B, 1972
Raman Spectrum of Single-Domain BaTi $O_{3}$
Physical Review B, 1968
Raman Spectrum of Strontium Titanate
The Journal of Chemical Physics, 1968

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