Morphological studies and dielectrical behaviour of nickel substituted on Mg-Mn nanoferrites
by S.R. Chitra; S. Sendhilnathan
World Review of Science, Technology and Sustainable Development (WRSTSD), Vol. 11, No. 2, 2014

Abstract: Mg-Mn-Ni ferrites of different compositions, Mg_0.40Mn_0.60-xNi_xFe₂₀₄ with x = 0.00, 0.05 and 0.15 were prepared by a co-precipitation technique at 30°C to 60°C. Their structural and dielectrical properties were studied using XRD, SEM and AFM analyses, FT-IR technique and impedance analyses. From these, we observed that Mg-Mn-Ni ferrites prepared by this method have higher resistivity than that prepared by the conventional ceramic method and others. Higher resistivity ferrite materials are suitable particularly for high-frequency applications where eddy current losses are required to be low.

Online publication date: Tue, 25-Nov-2014

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