Abstract
Co1–x NixFe2O4 (where x=0.1) were prepared by using the hydroxide co-precipitation method. An obtained precipitate was sintered at 1100°C by microwave sintering technique. The structural analysis confirms the single-phase cubic spinel structure with Fd-3m space group. The magnetic characterization was carried out at temperature 300K.Saturation magnetisation and coercivity is 77.22 and 908 Oe. Irreversibility is observed between the ZFC and FC curves at 100 Oe. The variation in the dielectric constant and loss tangent are studied at room temperature with increasing frequency. Continues decrease in the the dielectric constant with increasing frequency shows inverse dependence on frequency. Morphological and elemental studies were done by using the scanning electron microscope with EDAX.
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