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The naturally occurring ferrite is the Ferrous Ferrite (Fe3O4) as "load stone." In early days it was considered as ferromagnetic materials. But later on it was realized that, the material consists uncompensated anti parallel spin arrangement and hence named as "ferri-magnetic" materials, after L. Neel Ferri-magnetic materials, ferrites, form a new class of magnetic materials, having interesting intrinsic properties. Ferrites are found to be technologically and commercially useful magnetic material. Due to highly electrical resistive, low magnetic behavior as well as negative temperature...