Abstract
Angular dependences of resonance field and linewidth have been measured for ferromagnetic CdCr 2Se 4 crystal doped with 1.5 mol.% Ag before and after annealing in vacuum. The change of the sign of anisotropy due to annealing is associated with transformations Cr 4+→Cr 3+→Cr 2+. On the basis of obtained data some suppositions are made about the mechanisms of conductivity in the Ag-doped CdCr 2Se 4 crystal.
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