Abstract
The series Co(0.8)Zn0.2-XMgXFe2O4 has been synthesized using standard ceramic technique and characterized using different techniques. The XRD analysis shows single phase cubic structure of the sample. It was also observed from XRD that lattice constant values calculated from these data were found to increase on increasing value of concentration X. The a.c susceptibility was carried out which exhibited ferromagnetic ordering. The Neel’s temperature Tc determined from it increases with increasing X. There is an agreement in ferrimagnetic behaviour between magnetization and susceptibility data. This also suggests that A-B interaction increases with increasing X. The electrical properties of Zn – Mg substituted Co ferrite were found through DC resistivity measurements.
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