Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11893
Title: Effect of bias field on the dielectric properties of 0.7Pb(Mg 1/3Nb2/3)O3-0.3PbTiO3 single crystals with different orientations
Authors: Zhao, X
Wang, J
Chan, HLW 
Choy, CL 
Luo, H
Issue Date: 2005
Publisher: Springer
Source: Applied physics. A, Materials science & processing, 2005, v. 80, no. 3, p. 653-658 How to cite?
Journal: Applied physics. A, Materials science & processing 
Abstract: Microdomain-macrodomain transformations and phase transitions in 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 single crystals were investigated by studying their relative permittivity under various dc bias at constant heating and cooling rates. The orientation dependence of the bias field effect was revealed by examining the temperature dependence of relative permittivity as a function of crystal orientation (the 〈111〉, 〈011〉 and 〈001〉 directions) and dc bias field. The crystals have a microdomain rhombohedral ferroelectric state in the ferroelectric phase under zero dc bias. External bias field could modulate the domain state and induce a macrodomain state in the crystals. Also, it is proposed that the dc bias applied along the 〈001〉 or 〈011〉 direction could induce a tetragonal ferroelectric phase or an orthorhombic ferroelectric phase, respectively, in an intermediate temperature range.
URI: http://hdl.handle.net/10397/11893
ISSN: 0947-8396
EISSN: 1432-0630
DOI: 10.1007/s00339-003-2320-4
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