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|Title:||Light scattering from spin wave excitations in a Co/CoPt exchange spring|
|Keywords:||Exchange coupling-thin films|
|Citation:||Crew, D.C., Stamps, R.L., Liu, H.Y., Wang, Z.K., Kuok, M.H., Ng, S.C., Barmak, K., Kim, J., Lewis, L.H. (2005-04). Light scattering from spin wave excitations in a Co/CoPt exchange spring. Journal of Magnetism and Magnetic Materials 290-291 PART 1 : 530-532. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmmm.2004.11.519|
|Abstract:||We have developed a theory of Brillouin light scattering (BLS) from spin wave excitations in non-collinear magnetisation structures. We compare the results of calculated spectra for scattering from the spiral state found in exchange-coupled hard/soft CoPt/Co bilayers during reversal with experimental data. Both the Stokes/anti-Stokes peak intensity ratio is described, as well as the asymmetry in peak frequency between the Stokes and anti-Stokes spectra. It is shown that the frequency asymmetry arises naturally in the presence of a spin spiral structure. © 2004 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Magnetism and Magnetic Materials|
|Appears in Collections:||Staff Publications|
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