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Direct imaging of domain-wall interactions in Ni80Fe20 planar nanowires

Hayward, T.J., Bryan, M.T., Fry, P.W., Fundi, P.M., Gibbs, M.R.J., Allwood, D.A., Im, M.Y. and Fischer, P. (2010) Direct imaging of domain-wall interactions in Ni80Fe20 planar nanowires. Physical Review B , 81 (2). Art no.020410. ISSN 1098-0121

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Abstract

We have investigated magnetostatic interactions between domain walls in Ni80Fe20 planar nanowires using magnetic soft x-ray microscopy and micromagnetic simulations. In addition to significant monopole-like attraction and repulsion effects we observe that there is coupling of the magnetization configurations of the walls. This is explained in terms of an interaction energy that depends not only on the distance between the walls, but also upon their internal magnetization structure.

Item Type: Article
Copyright, Publisher and Additional Information: © 2010 American Physical Society. This is an author produced version of a paper subsequently published in Physical Review B. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: X-Ray Microscopy; Propagation; Dynamics
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Materials Science and Engineering (Sheffield)
The University of Sheffield > University of Sheffield Research Centres and Institutes > Centre for Nanoscience and Technology (Sheffield)
Depositing User: Miss Anthea Tucker
Date Deposited: 14 May 2010 08:52
Last Modified: 08 Feb 2013 17:00
Published Version: http://dx.doi.org/10.1103/PhysRevB.81.020410
Status: Published
Publisher: American Physical Society
Identification Number: 10.1103/PhysRevB.81.020410
URI: http://eprints.whiterose.ac.uk/id/eprint/10825

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