Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32250
Title: Effect of a bias field on the dielectric properties of 0.69Pb(Mg1/3Nb2/3)O3-0.31PbTiO3 single crystals with different orientations
Authors: Zhao, X
Wang, J
Chan, HLW 
Choy, CL 
Luo, H
Issue Date: 2003
Publisher: Institute of Physics Publishing
Source: Journal of physics condensed matter, 2003, v. 15, no. 40, p. 6899-6908 How to cite?
Journal: Journal of physics condensed matter 
Abstract: The microdomain-macrodomain transformations and phase transitions in 0.69Pb(Mg1/3Nb2/3)O3-0.31PbTiO3 single crystals were investigated by measuring the temperature dependence of relative permittivity as a function of crystal orientation and applied dc bias. A rhombohedral-tetragonal phase transition in the original crystal has been confirmed by powder x-ray diffraction at temperatures from 25 to 180°C. The results show that microdomain relaxor ferroelectric states in the original crystals could be transformed to macrodomain ferroelectric states by applying a dc bias along any of the <111>, <011> and <001> directions. It is also proposed that an electric field applied along the <011> or <001> direction could induce an orthorhombic or a monoclinic ferroelectric phase, respectively, between the rhombohedral and tetragonal ferroelectric phases in an intermediate temperature range.
URI: http://hdl.handle.net/10397/32250
ISSN: 0953-8984
EISSN: 1361-648X
DOI: 10.1088/0953-8984/15/40/025
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