Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide
Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide
We investigate the effect of a direct current on propagating spin waves in a CoFeB/Ta bilayer structure. Using the micro-Brillouin light scattering technique, we observe that the spin-wave damping and amplitude may be attenuated or amplified depending on the direction of the current and the applied magnetic field. Our work …