Abstract
Studies on lattice parameters, magnetization and ac susceptibility measurements for the ferrite system Cd x Mg1−x Gd y Fe2−y O4 (withx = 0·2, 0·3, 0·4 andy = 0·1, 0·2, 0·3, 0·4) are presented. The ac susceptibility was measured from room temperature to 800K at a constant magnetic field of 7 oersted.X ac vsT variations show that all the samples contain predominantly multidomain (MD) particles. Magnetization measurements of the system indicate that as the Cd2+ content increases magnetization increases while the addition of Gd3+ reduces the magnetization. The observations further indicate the existence of Y-K type of magnetic ordering in the system.
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