The stoichiometric Ni0.65Zn0.35SnxFe2-xO4 (x=0.00-0.08) power ferrites soft magnetic material was prepared by the solid-state reaction method. The structural characteristics and electromagnetic properties were investigated by X-ray diffraction(XRD), SEM, LCR tester, B-H analyzer, respectively. The results indicate that with increasing Sn4+ substitution amount, lattice constant a increases gradually, grain size varies not much, saturation magnetic flux density Bs continuously decreases, initial permeability μi of the ferrites increases initially and then decreases, and power loss Pcv has an opposite change with μi.The power loss Pcv has a minimum value when the Sn4+ substitution amount is 0.04 and Pcv decreases gradually when the temperature increases.
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