Exact expressions for dielectric susceptibilities in the paraelectric phase of ferroelectric superlattices based on the ginzburg-landau theory

Chew, Khian Hooi and Ishibashi, Y. and Iwata, M. and Shin, F.G. (2008) Exact expressions for dielectric susceptibilities in the paraelectric phase of ferroelectric superlattices based on the ginzburg-landau theory. Integrated Ferroelectrics, 100. pp. 79-87. ISSN 1058-4587

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Official URL: http://www.tandfonline.com/doi/pdf/10.1080/1058458...

Abstract

Exact expressions for the polarization profiles induced by an external electric field and the dielectric susceptibilities in the paraelectric phase were obtained for a one-dimensional ferroelectric superlattice on the basis of the Ginzburg-Landau theory. The superlattice is composed of a ferroelectric of thickness L1 and a paraelectric of thickness L2, which couple each other through the polarization at their interfaces. Our analytical results revealed that the profile of polarizations induced by the electric field in the paraelectric phase may be considered to approximately represent the soft mode.

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Dielectric susceptibility, Ferroelectrics, Superlattice, Phase transition, Ginzburg-landau theory, Epitaxial batio3/srtio3 superlattices, Polarization enhancement
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 29 Jul 2013 01:51
Last Modified: 27 Aug 2019 07:40
URI: http://eprints.um.edu.my/id/eprint/8223

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