Electrical and Dielectric Studies of the Cd‐Doped Co‐Ni Ferrites Synthesized by Solid State Reaction Method

The present study reports the dielectric and DC resistivity studies of the Cd doped Co‐Ni ferrites synthesized by solid state reaction method. The XRD studies confirm the cubic spinel structure of the samples. The substitution of the cadmium in the ferrite system significantly influences the AC cond...

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Bibliographic Details
Published in:Macromolecular symposia. 2021-12, Vol.400 (1), p.n/a
Main Authors: Kulkarni, Akshay B., Manohara, S. R., Vishwaroop, Rakesh, Mathad, Shridhar N.
Format: Article
Language:English
Subjects:
AC conductivity
Cadmium
cole‐cole plot
Co‐Ni ferrites
DC resistivity
Dielectric constant
Dielectric loss
Electrical resistivity
Ferrites
Grain boundaries
Solid state
Substitution reactions
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Summary:The present study reports the dielectric and DC resistivity studies of the Cd doped Co‐Ni ferrites synthesized by solid state reaction method. The XRD studies confirm the cubic spinel structure of the samples. The substitution of the cadmium in the ferrite system significantly influences the AC conductivity, involvement of the grain boundary involvement in conduction. The variations of dielectric constant and dielectric loss for all the samples are studied as a function of frequency and show an increase with doping concentration. The DC resistivity studies confirm the semiconducting nature of the synthesized ferrites. The activation energy is observed to be in the range of (0.534–0.629 eV).
ISSN:1022-1360
1521-3900
DOI:10.1002/masy.202100113