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Asymmetric Reversal Modes in Ferromagnetic/Antiferromagnetic Multilayers

Beckmann, B., Nowak, U. and Usadel, K.D. (2003) Asymmetric Reversal Modes in Ferromagnetic/Antiferromagnetic Multilayers. Physical Review Letters, 91 (18). 187201-4 PAGES. ISSN 1079-7114

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Experimentally an asymmetry of the reversal modes has been found in certain exchange bias systems. From a numerical investigation of the domain state model evidence is gained that this effect depends on the angle between the easy axis of the antiferromagnet and the applied magnetic field. Depending on this angle the ferromagnet reverses either symmetrically, e.g., by a coherent rotation on both sides of the loop, or the reversal is asymmetric with a nonuniform reversal mode for the ascending branch, which may even yield a zero perpendicular magnetization.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 25 Feb 2009 15:16
Last Modified: 25 Feb 2009 15:16
Published Version: http://dx.doi.org/10.1103/PhysRevLett.91.187201
Status: Published
Publisher: The American Physical Society.
Identification Number: 10.1103/PhysRevLett.91.187201
URI: http://eprints.whiterose.ac.uk/id/eprint/7212

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