The influence of an electric field and hydrostatic pressure on dielectric properties and phase transitions in PbZrO3
- 20 May 1981
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 14 (14) , 2007-2016
- https://doi.org/10.1088/0022-3719/14/14/011
Abstract
The temperature dependence of permittivity and remanent polarisation in monocrystalline and ceramic PbZrO3 and the temperatures of the phase transitions between ferro-, antiferro- and paraelectric phases are influenced by applied field and hydrostatic pressure. A constant electric field broadens the ferroelectric phase range. Under the influence of hydrostatic pressure the ferroelectric phase occurs only at pressures less than 26 MPa for monocrystals and 40 MPa for ceramics. Results obtained confirm Samara's hypothesis of the existence of two soft modes in PbZrO3, i.e. ferroelectric and antiferroelectric.Keywords
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