Electric-field control of exchange bias in multiferroic epitaxial heterostructures

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Title:	Electric-field control of exchange bias in multiferroic epitaxial heterostructures
Author:	Laukhin, Vladimir; Skumryev, Vassil Hristov; Martí, X.; Hrabovsky, D.; Sánchez Barrera, Florencio; García-Cuenca Varona, María Victoria; Ferrater Martorell, Cèsar; Varela Fernández, Manuel, 1956-; Lüders, R.; Bobo, J. F.; Fontcuberta i Griñó, Josep
Other authors:	Universitat de Barcelona
Abstract:	The magnetic exchange between epitaxial thin films of the multiferroic (antiferromagnetic and ferroelectric) hexagonal YMnO3 oxide and a soft ferromagnetic (FM) layer is used to couple the magnetic response of the FM layer to the magnetic state of the antiferromagnetic one. We will show that biasing the ferroelectric YMnO3 layer by an electric field allows control of the magnetic exchange bias and subsequently the magnetotransport properties of the FM layer. This finding may contribute to paving the way towards a new generation of electric-field controlled spintronic devices.
Subject(s):	-Electrònica quàntica -Semiconductors -Microelectrònica -Qunatum electronics -Semiconductors -Microelectronics
Rights:	(c) American Physical Society, 2006
Document type:	Article Article - Published version
Published by:	American Physical Society
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