Analytical landau-type model of polarization switching in ferroelectrics

Chew, Khian Hooi and Ong, L.H. and Loh, K.K. (2013) Analytical landau-type model of polarization switching in ferroelectrics. Ceramics International, 39. S311-S314. ISSN 0272-8842, DOI https://doi.org/10.1016/j.ceramint.2012.10.084.

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Abstract

The polarization switching properties of ferroelectric materials have been extensively studied, both experimentally and theoretically owing to their wide applications in industry and hence generating a need to gain a deeper understanding of factors affecting their switching behaviour. In this paper, an analytical Landau theory incorporating the Landau-Khalatnikov equation has been developed to describe the switching properties of second order ferroelectrics. Analytical expressions derived from exact results of Landau theory are used in modelling work carried out in this study for comparison with trends predicted by empirical laws used to describe polarization switching behaviour at high electric fields. As such this work has established the theoretical basis for empirical laws of polarization switching and developed simple numerical tools which can be quickly used to model trends in polarization switching behaviour of ferroelectrics. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

Item Type: Article
Funders: UNSPECIFIED
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Ferroelectric properties, Functional applications, Polarization switching, Reversals
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 29 Jul 2013 00:05
Last Modified: 27 Aug 2019 07:42
URI: http://eprints.um.edu.my/id/eprint/8245

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