Abstract
MgGd0.05Fe1.95O4 (MGFO) ferrite with improved magnetic, electrical and dielectric properties has been synthesized by solid state reaction technique and has been investigated for microstructures, magnetic, electric and dielectric properties. The dc electrical resistivity of MGFO ferrite was found to increase up to 40 times more as compared to MgFe2O4 (MFO) ferrite. The value of saturation magnetization (Ms) and remnant magnetization (Mr) has been increased due to the doping of Gd3+ ions in MFO ferrite. High resistivity, low value of dielectric loss and improved magnetic properties (Ms, Mr) can be correlated with better compositional stoichiometry and the replacement of Fe3+ ions by Gd3+ ions. The mechanisms responsible to these results have been discussed in this paper.
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