Electron resonance with localized magnetic moments of Er in superconducting La
Alekseevskii N.E. , Garifullin I.A. , Kochelaev B.I. , Kharakhash'yan E.G.
Electron resonance absorption by localized moments of Er in superconducting La was observed. The temperature and concentration dependences of the g-factor and of the line width were investigated. A possible qualitative interpretation of the results is presented.