Spin wave excitations in exchange spring Co/CoPt thin film bilayers

David Crew, Robert Stamps, H.Y. Lui, Z.K. Wang, M.H. Kuok, S.C. Ng, K. Barmak, J. Kim, L.H. Lewis

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Abstract

We report Brillouin light scattering data taken from an exchange spring bilayer, Co/CoPt. The results are analysed using a semi-classical model in the long wavelength limit, and we demonstrate how a measure of an anomalous volume anisotropy, which we tentatively ascribe to a magnetoelastic effect, can be obtained from frequency versus field measurements in this system. (C) 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)273-274
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue number1
DOIs
Publication statusPublished - 2004

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Crew, D., Stamps, R., Lui, H. Y., Wang, Z. K., Kuok, M. H., Ng, S. C., ... Lewis, L. H. (2004). Spin wave excitations in exchange spring Co/CoPt thin film bilayers. Journal of Magnetism and Magnetic Materials, 272-276(1), 273-274. https://doi.org/10.1016/j.jmmm.2004.04.061