Abstract
The effect of compositional variation on porosity, magnetic properties, and grain size of Cu 1− x Zn x Fe 2O 4 ferrite, where x=0.0,0.25,0.50,0.75, 1.00, prepared by standard ceramic method are reported. From microstructure analysis, it follows that both porosity, p and coercivity, H c decrease with the substitution of Zn. The coercivity, H c is inversely proportional to grain size while the curie temperature T c increases from 538 to 560 K. The decrease in H c with grain size can be correlated fairly well with Neels’ mathematical model treating the demagnetizing influence of non-magnetic material in mixed ferrites.
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