Damping 1 Damping parameters 1 Effective damping 1 Effective damping parameter 1 Ferromagnetic materials 1 Ferromagnetic resonance 1 Ferromagnetism 1 Gadolinium gallium garnets 1 Iron 1 Magnetic damping 1 Metal bilayers 1 Multilayers 1 Spin waves 1 Spin-wave packets 1 Substrates 1 Wave packets YIG 1 Yttrium iron garnet 1 Yttrium iron garnets 1 Yttrium-iron-garnet film 1 effective damping parameter 1 ferromagnetic resonance 1 spin wave packet 1 spin-waves 1 yttrium iron garnet 1