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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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
Issue number1
Publication statusPublished - 2004


Cite this

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