Polarization modulation profiles in ferroelectric superlattices

Chew, K.H. and Shin, F.G. and Iwata, M. (2009) Polarization modulation profiles in ferroelectric superlattices. Ferroelectrics Letters Section, 36 (1-2). pp. 12-19. ISSN 0731-5171

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Official URL: http://www.tandfonline.com/doi/pdf/10.1080/0731517...

Abstract

A Landau-Ginzburg continuum model for describing a periodic superlattice consisting of alternating ferroelectric and paraelectric layers is presented. An interface coupling term is introduced to describe the interaction at the interface between the two constituent layers. Explicit expressions to describe the order parameter profiles were derived and illustrated. Our study reveals that the interface-induced polarizations in the paraelectric layer plays an important role to determine the polarization modulation profile of a ferroelectric superlattice.

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Ferroelectric, Landau-ginzburg theory, Polarization profile, Superlattice, Epitaxial batio3/srtio3 superlattices, Enhancement, Transition
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 29 Jul 2013 00:36
Last Modified: 29 Jul 2013 00:36
URI: http://eprints.um.edu.my/id/eprint/8225

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