Frequency dependence of microwave complex permeability under magnetic bias Artem O. Shiryaev, Stanislav Y. Bobrovskii, Aleksey V. Osipov, Dmitry A. Petrov, Konstantin N. Rozanov and Sergey N. Starostenko EPJ Web Conf., 185 (2018) 02019 Published online: 04 July 2018 DOI: 10.1051/epjconf/201818502019