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Magnetoelasticity in dysprosium-scandium superlattices

Benito, L., Arnaudas, J.I., de la Fuente, C., del Moral, A., de Groot, P.A.J., Wells, M.R. and Ward, R.C.C. (2004) Magnetoelasticity in dysprosium-scandium superlattices Journal of Magnetism and Magnetic Materials, 272-276, (3), pp. 2058-2059. (doi:10.1016/j.jmmm.2003.12.823).

Record type: Article

Abstract

We have studied the magnetoelastic stress parameter, Bγ,2, associated with the shear deformation within the basal plane of the (0 0 0 1) Dy (20 Å)/Sc (t=20–60 Å) superlattices (SLs). The extrapolated Bγ,2(0 K) values change from 1.45 to 0.9 GPa when t changes from 60 to 20 Å, respectively. All SLs show a thermal behavior of Bγ,2 affected by volume and interfacial contributions. The scandium thickness dependence of the volume contribution shows a surprisingly logarithmic behavior that indicates the existence of dislocations in the Dy blocks.

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Published date: May 2004
Keywords: rare-earth superlattices, magnetostriction

Identifiers

Local EPrints ID: 57081
URI: http://eprints.soton.ac.uk/id/eprint/57081
ISSN: 0304-8853
PURE UUID: faff55f1-224c-4940-8949-93ca5f8c1cbc

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Date deposited: 13 Aug 2008
Last modified: 25 Jul 2017 16:31

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Contributors

Author: L. Benito
Author: J.I. Arnaudas
Author: C. de la Fuente
Author: A. del Moral
Author: P.A.J. de Groot
Author: M.R. Wells
Author: R.C.C. Ward

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