Excitation and reception of magnetostatic surface spin waves in thin conducting ferromagnetic films by coplanar microwave antennas. Part II: Experiment

We report on propagating spin-wave spectroscopy measurements carried out on coplanar nano-antenna devices made from a //Ru(5nm)/Co(20)/Pt(5nm) film. The measurements were analysed in detail employing newly developed theoretical modelling and de-embedding procedures. The magnetic parameters of the film were determined by complementary Brillouin light scattering and ferromagnetic resonance measurements. The propagating spin wave signals could be accounted for quantitatively for the range of externally applied magnetic fields investigated in this study: 130-1500 Oe.