Improved electromagnetic properties of Vanadium doped Ni- Zn ferrite for high frequency Applications

V. Lakshminarayana¹ , K. Chandramouli² , G. S. N. Rao³

Section:Research Paper, Product Type: Isroset-Journal
Vol.7 , Issue.2 , pp.89-92, Apr-2019

CrossRef-DOI:   https://doi.org/10.26438/ijsrpas/v7i2.8992

Online published on Apr 30, 2019

Copyright © V. Lakshminarayana, K. Chandramouli, G. S. N. Rao . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
A series of samples with the composition Ni0.65 Zn0.35 Fe2 O4 + x V2 O5 (x = 0.0 to 1.5 wt % in steps of 0.3 wt %) have been prepared by double sintered ceramic method. They are calcined for four hours at 900o C and sintering temperature is maintained at 12100c at for 4 hours in air atmosphere. The samples are characterized by X-ray diffraction, Saturation magnetization and Curie temperature. Both the saturation magnetization and Curie temperature have been observed to decrease slightly with increasing concentration of the vanadium. An increasing trend in D.C. resistivity is observed in vanadium series up to x = 0.6 wt%. The µi is decreased slightly for lower concentrations and steeply for higher concentration. Higher resistivity and near stable magnetic properties are exhibited with vanadium concentration x = 0.6 wt%. Dissolution of Vanadium into ferrite lattice for minor additions is responsible for the modifications in the electrical and magnetic properties.

Key-Words / Index Term :
Curie temperature, d.c resistivity, ferrites, saturation magnetization

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