Abstract

The magnetic characterization of Y-type hexaferrites series with Ba 2Zn 0.6Co 0.6Cu 0.8Fe 12− x O 22−1.5 x has been investigated. Y-type polycrystalline hexaferrite powders were prepared by the solid-state reaction method. The samples were characterized by X-ray diffraction and scanning electron microscopy. An investigation of the magnetic permeability over a wide frequency range was done using an impedance analyzer. Experimental results show that cation deficiency leads to a decrease in sintering temperature. It is indicated that Y-type hexaferrite samples with proper cation deficiency sintered at low temperatures possess excellent magnetic properties for application.

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