Measurement of spin mixing conductance in Ni${}_{81}$Fe${}_{19}$/$\alpha$-W and Ni${}_{81}$Fe${}_{19}$/$\beta$-W heterostrucutures via ferromagnetic resonance

W. Cao, J. Liu, A. Zangiabadi +2

We present measurements of interfacial Gilbert damping due to the spin pumping effect in Ni${}_{81}$Fe${}_{19}$/W heterostructures. Measurements were compared for heterostructures in w…