Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13360
Title: Phase-field simulation of domain structure for PbTiO3/SrTiO3 superlattices
Authors: Ma, DC
Zheng, Y
Woo, CH 
Keywords: Ferroelectric
Interface
Phase-field
Superlattice
Issue Date: 2009
Publisher: Pergamon-Elsevier Science Ltd
Source: Acta materialia, 2009, v. 57, no. 16, p. 4736-4744 How to cite?
Journal: Acta Materialia 
Abstract: Phase-field modeling has been performed to study the domain morphologies of ferroelectric PbTiO3/SrTiO3 superlattice grown on SrTiO3 substrates. Taking into account contributions of the interfacial and depolarization field effects, the polarization, phase transition temperature and critical thickness are calculated as functions of sample dimensions and temperature. The results show that interfacial and depolarization field effects are the main reasons behind the dependence of the domain structures and critical properties (i.e., the phase transition temperature and critical thickness) on the thicknesses of the constituent layers of the PbTiO3/SrTiO3 superlattices.
URI: http://hdl.handle.net/10397/13360
DOI: 10.1016/j.actamat.2009.06.032
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