Magnetic Properties of Cu<sub>1-x</sub>Zn<sub>x</sub>Fe<sub>2 </sub>O<sub>4</sub>Ferrites with the Variation of Zinc Concen-tration — Oak Academic Publishing
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Magnetic Properties of Cu<sub>1-x</sub>Zn<sub>x</sub>Fe<sub>2 </sub>O<sub>4</sub>Ferrites with the Variation of Zinc Concen-tration
Department of Physics, University of Chittagong
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Department of Physics, University of Chittagong
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Materials Science Division, Atomic Energy Centre
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Materials Science Division, Atomic Energy Centre
,
Materials Science Division, Atomic Energy Centre
,
Materials Science Division, Atomic Energy Centre
1 Department of Physics, University of Chittagong
2 Department of Physics, University of Chittagong
3 Materials Science Division, Atomic Energy Centre
4 Materials Science Division, Atomic Energy Centre
5 Materials Science Division, Atomic Energy Centre
6 Materials Science Division, Atomic Energy Centre
Cu-Zn ferrite with general formula of Cu 1-x Zn x Fe 2 O 4 with a range from x = 0.0 to 0.7 (in steps of 0.1) was prepared by using standard ceramic techniques. The confirmation of sin-gle-phase formation was carried out by employing X-ray diffraction technique. Some of the magnetic properties were measured, such as Curie temperature, the complex permeability and low field hysteresis loop. It was found that Curie temperature T c decreases from 464?C to 20?C. The real part of initial permeability, μ ′ in-crease with increasing Zn contents up to x = 0.5 after that it decreases with higher Zn content. Low field hysteresis measurement was carried out at room temperature and this measurement with the increase of Zn 2+ ions yields the increase of saturation magnetic induction (B y ) and magnetic remanance (B r ) up to x = 0.4 thereafter it decreases. The decrease in corecivity (H c ) and hysteresis loss is observed for all samples. In view of this, the possible changes in magnetic properties with the increase in Zn concentration are un-dertaken.
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