Interface-induced modifications of polarization in nanoscale ferroelectric superlattices
Interface-induced modifications of polarization in nanoscale ferroelectric superlattices
A thermodynamic model to study the effect of interface intermixing on polarization of ferroelectric superlattices composed of a ferroelectric and paraelectric layers is developed. Interface intermixing forms an intermixed layer with property different from its individual layers, leading to inhomogeneous ferroelectric properties in the superlattices. Polarization induces near the interface of paraelectric layers, which extends into the layer over a distance governed by its characteristic length. Dependence of polarization on periodic thickness indicates an interface-induced modification of ferroelectricity in superlattices. Enhancement in polarization of superlattices is shown to be possible, if certain interface property and periodic thickness met.
477-480
Lim, Kok Geng
927dad30-b19f-4376-8650-cdb1cbdd29b1
Chew, Khian Hooi
be75ce91-e858-4dd1-9b63-7f42fb17593e
February 2014
Lim, Kok Geng
927dad30-b19f-4376-8650-cdb1cbdd29b1
Chew, Khian Hooi
be75ce91-e858-4dd1-9b63-7f42fb17593e
Lim, Kok Geng and Chew, Khian Hooi
(2014)
Interface-induced modifications of polarization in nanoscale ferroelectric superlattices.
Ming, Huang Nay, Rahman, Saadah Abd and Lin, Woon Kai
(eds.)
In Solid State Science and Technology IV.
vol. 895,
Scientific.Net.
.
(doi:10.4028/www.scientific.net/AMR.895.477).
Record type:
Conference or Workshop Item
(Paper)
Abstract
A thermodynamic model to study the effect of interface intermixing on polarization of ferroelectric superlattices composed of a ferroelectric and paraelectric layers is developed. Interface intermixing forms an intermixed layer with property different from its individual layers, leading to inhomogeneous ferroelectric properties in the superlattices. Polarization induces near the interface of paraelectric layers, which extends into the layer over a distance governed by its characteristic length. Dependence of polarization on periodic thickness indicates an interface-induced modification of ferroelectricity in superlattices. Enhancement in polarization of superlattices is shown to be possible, if certain interface property and periodic thickness met.
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Published date: February 2014
Identifiers
Local EPrints ID: 422927
URI: http://eprints.soton.ac.uk/id/eprint/422927
ISSN: 1662-8985
PURE UUID: 6cc5188d-0c7f-4f52-adcb-45635945580b
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Date deposited: 08 Aug 2018 16:30
Last modified: 15 Mar 2024 21:10
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Contributors
Author:
Khian Hooi Chew
Editor:
Huang Nay Ming
Editor:
Saadah Abd Rahman
Editor:
Woon Kai Lin
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