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Most of the crystalline materials seldom show a well-defined dielectric loss peak due to domination of dc conductivity contribution, but effects of loss peaks are seen at high frequencies. Ac electrical data of nano-crystalline Mn0.5Zn0.5Fe2O4 synthesised by chemical co-precipitation method show such behaviour. Properly combined and formulated conduction and dielectric relaxation functions are required...
Temperature dependent conductivity of materials is one prime interest of materials science. Many ferrite materials are reported showing conductivity anomalies with temperature. CoFe2O4, Mn0.5Zn0.5Fe2O4 and SrFe12O19 are studied for the conductivity anomalies with impedance spectroscopy. Conductivity data of the samples obtained during heating show anomalies with temperature, while during cooling do...
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