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Magnetoelectric Composites

Author(s): G. Srinivasan

Publication date Created: June 2010

Publication date (Print): June 2010

Journal: Annual Review of Materials Research

Publisher: Annual Reviews

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Epitaxial BiFeO3 multiferroic thin film heterostructures.

J. Wang, J B Neaton, H Zheng … (2003)

Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO3, is reported. Structure analysis indicates that the crystal structure of film is monoclinic in contrast to bulk, which is rhombohedral. The films display a room-temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magnitude higher than that of the bulk (6.1 microcoulombs per square centimeter). The observed enhancement is corroborated by first-principles calculations and found to originate from a high sensitivity of the polarization to small changes in lattice parameters. The films also exhibit enhanced thickness-dependent magnetism compared with the bulk. These enhanced and combined functional responses in thin film form present an opportunity to create and implement thin film devices that actively couple the magnetic and ferroelectric order parameters.

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Multiferroic magnetoelectric composites: Historical perspective, status, and future directions

Ce-Wen Nan, M. I. Bichurin, Shuxiang Dong … (2008)

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Materials science. The renaissance of magnetoelectric multiferroics.

Nicola Spaldin, Manfred Fiebig (2005)

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Author and article information

Journal

Title: Annual Review of Materials Research

Abbreviated Title: Annu. Rev. Mater. Res.

Publisher: Annual Reviews

ISSN (Print): 1531-7331

ISSN (Electronic): 1545-4118

Publication date Created: June 2010

Publication date (Print): June 2010

Volume: 40

Issue: 1

Pages: 153-178

Article

DOI: 10.1146/annurev-matsci-070909-104459

SO-VID: 335657b0-3fef-490a-8e5a-aa4476477d77

Copyright © © 2010

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