Ferromagnetic resonance and random magnetic anisotropy in nanocrystalline Fe-Zr-N films Elena Sheftel, Eugene Harin, Valentin Tedzhetov and Yuri Koksharov EPJ Web Conf., 185 (2018) 04004 Published online: 04 July 2018 DOI: 10.1051/epjconf/201818504004