Enhanced soft magnetic properties of iron powders through coating MnZn ferrite by one-step sol

Enhanced soft magnetic properties of iron powders through coating MnZn ferrite by one-step sol–gel synthesis

Liu Dong^†, Gao Shanmin^‡, Jin Rencheng, Wang Feng, Chu Xiaoxiao, Gao Taiping, Wang Yubao

(a) Core loss and (b) effective permeability as a function of frequency for the SMCs with different MnZn ferrite contents compared with Fe₃O₄ coating, and (c) changes of the density and resistivity for the samples with ferrite coating.