Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20875
Title: Morphology of domain patterns in relaxor 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 crystals studied by transmission electron microscopy
Authors: Meng, X
Baba-Kishi, KZ
Pang, KH
Chan, HLW 
Choy, CL 
Luo, HS
Issue Date: 2002
Source: Philosophical magazine A : Physics of condensed matter, structure, defects and mechanical properties, 2002, v. 82, no. 9, p. 1769-1779 How to cite?
Journal: Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties 
Abstract: Transmission electron microscopy studies of domain morphology in 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 single crystals reveal complex arrangements of a variety of domains. In addition to mesoscopic domains, there are those that consist of two mutually perpendicular parallel tweeds whose widths are less than 10 nm. The parallel tweeds are separated by shear strain. The superposition of two perpendicular displacements produces the various domain configurations that include sharp tips, right-angle corners and S-shaped domain walls. It appears that the competing rhombohedral and cubic phases result in asymmetrical domains. The transformation from cubic to rhombohedral phase creates a morphotropic phase-boundary material with specific ferroelectric properties. An improper martensitic phase transformation model may be used to explain the observed domain configurations.
URI: http://hdl.handle.net/10397/20875
ISSN: 0141-8610
DOI: 10.1080/01418610210131001
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