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On the anomalous temperature-dependent magnetostriction in intermetallic DyFe2

Bowden, G. J., de Groot, P.A.J., O'Neil, J. D., Rainford, B. D. and Zhukov, A.A. (2004) On the anomalous temperature-dependent magnetostriction in intermetallic DyFe2 Journal of Physics: Condensed Matter, 16, (13), pp. 2437-2446. (doi:10.1088/0953-8984/16/13/021).

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The anomalous temperature dependence of the magnetostriction in single-crystal DyFe2 has been an unsolved problem in magnetism for some 27 years. In this paper, it is shown that an explanation can be provided, within the constraints of the Callen and Callen model, provided changes in the second-, fourth- and sixth-order crystal field energies of the rare earth ion are all taken into account. In particular, it is shown that the peculiar temperature dependence of the magnetostriction in DyFe2 is due to competition between n = 2, 4 and 6 crystal field distortions, whose temperature dependence can be accurately modelled using the Callen and Callen model.

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Published date: 19 March 2004


Local EPrints ID: 57110
ISSN: 0953-8984
PURE UUID: e257d1a9-402c-4385-a31f-cba909fc39e4

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Date deposited: 14 Aug 2008
Last modified: 25 Jul 2017 16:31

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Author: G. J. Bowden
Author: P.A.J. de Groot
Author: J. D. O'Neil
Author: B. D. Rainford
Author: A.A. Zhukov

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