Monte Carlo simulation of the dielectric susceptibility of Ginzburg-Landau mode relaxors

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/560

Title:	Monte Carlo simulation of the dielectric susceptibility of Ginzburg-Landau mode relaxors
Authors:	Liu, J Wang, X Chan, HLW Choy, CL
Issue Date:	24-Mar-2004
Source:	Physical review. B, Condensed matter and materials physics, 24 Mar. 2004, v. 69, 094114, p. 1-6
Abstract:	The electric dipole configuration and dielectric susceptibility of a Ginzburg-Landau model ferroelectric lattice with randomly distributed defects are simulated using the Monte Carlo method. The simulated characteristics of the lattice configuration and dielectric susceptibility indicate that the model lattice evolves from a normal ferroelectric state to a typical relaxor state with increasing defect concentration. Consequently, the energy and dielectric susceptibility characteristics associated with the ferroelectric phase transitions become smeared. The simulated results approve the applicability of the Ginzburg-Landau model in approaching relaxor ferroelectrics.
Keywords:	Relaxor ferroelectrics Ferroelectric transitions Monte Carlo methods Optical susceptibility Dielectric relaxation Ginzburg-Landau theory
Publisher:	American Physical Society
Journal:	Physical review. B, Condensed matter and materials physics
ISSN:	1098-0121
EISSN:	1550-235X
Rights:	Physical Review B © 2004 American Physical Society. The Journal's web site is located at http://prb.aps.org/
Appears in Collections:	Journal/Magazine Article

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