Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18497
Title: A Monte Carlo simulation on domain pattern and ferroelectric behaviors of relaxor ferroelectrics
Authors: Liu, JM
Lau, ST
Chan, HLW 
Choy, CL 
Issue Date: 2007
Publisher: Springer Science+Business Media
Source: In SB Lang & HLW Chan (Eds.), Frontiers of ferroelectricity : a special issue of the Journal of Materials Science, p. 163-175. New York: Springer Science+Business Media, 2007 How to cite?
Abstract: The domain configuration and ferroelectric property of mode relaxor ferroelectrics (RFEs) are investigated by performing a two-dimensional Monte Carlo simulation based on the Ginzburg-Landau theory on ferroelectric phase transitions and the defect model as an approach to the electric dipole configuration in relaxor ferroelectrics. The evolution of domain pattern and domain wall configuration with lattice defect concentration and temperature is simulated, predicting a typical two-phase coexisted microstructure consisting of ferroelectric regions embedded in the matrix of a paraelectric phase. The diffusive ferroelectric transitions in terms of the spontaneous polarization hysteresis and dielectric susceptibility as a function of temperature and defect concentration are successfully revealed by the simulation, demonstrating the applicability of the defect model and the simulation algorithm. A qualitative consistency between the simulated results and the properties of proton-irradiated ferroelectric copolymer is presented.
URI: http://hdl.handle.net/10397/18497
ISBN: 038738037X
9780387380377
DOI: 10.1007/978-0-387-38039-1_16
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