Abstract

In this article, the complex impedance spectra and electric modulus are analyzed to determine the electrical properties of nanoscale Zinc Copper ferrite (ZCFO), synthesized by exploding wire technique (EWT). The real part of complex impedance and electric modulus are analyzed as function of frequency at specified temperatures. The frequency dependence of imaginary part of electric modulus at specified temperatures is studied. The contribution of electrode polarization is estimated via impedance and electric modulus analysis. Single semicircular arc is obtained in M″ versus M′ plot indicates that grains have negligible role in electrical property of the sample. The grain boundary resistance (Rgb) and grain boundary capacitance (Cgb) are found in the order of KΩ and nF respectively. The relaxation time is estimated to be as few micro seconds. The various processes involved in the electrical conductivity of prepared nanoferrite have been revealed through the present studies.

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