Investigation of phonons and magnons in [Ni80Fe20/Au/Co/Au]10 multilayers
Journal of Magnetism and Magnetic Materials（2020）
Abstract
•We study a phonons and magnons dispersion relations in multilayers structures [NiFe/Au/Co/Au]10.•The surface and volume spin waves and two acoustic waves are visible in BLS spectrum thanks of applied geometry.•The character of crossing in dispersion relations depends on the kinds of waves.
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Key words
Surface phonons,Spin waves,Brillouin scattering spectroscopy,Finite element method
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