Diffuse ferroelectric phase transition and cation order in the solid solution system Pb(Sc 1/2 Nb 1/2 )O 3 :Pb(Sc 1/2 Ta 1/2 )O 3
- 1 October 1981
- journal article
- research article
- Published by Informa UK Limited in Ferroelectrics
- Vol. 37 (1), 619-622
- https://doi.org/10.1080/00150198108223500
Abstract
Earlier studies1-3 have shown that in Pb(Sc1/2Ta1/2)O3 PST and Pb(Sc1/2Nb1/2)O3 which are simple cubic perovskites, the degree of ordering of the different B site cations in the ABO3 structure can be controlled thermally. Quenched disordered crystals and ceramics show diffuse dispersive dielectric properties, while well annealed ordered materials exhibit “normal” sharp first order transitions. In this work the solid solutions between PST and PSN are shown to permit control of both the centroid and the span of the diffuse Curie range. Since the depolarization curve can be modified by both composition and cation ordering, interesting pyroelectric effects are possible.Keywords
This publication has 4 references indexed in Scilit:
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- Pressure dependence of the dielectric properties of Pb(Sc1Ta1/2)O3Bphysica status solidi (a), 1980
- The role of B-site cation disorder in diffuse phase transition behavior of perovskite ferroelectricsJournal of Applied Physics, 1980
- Raman scattering in ordered and disordered perovskite type crystalsFerroelectrics, 1976