Abstract
In this study, nano nickel zinc ferrite powder with an average crystallite size of 23 ± 5 nm was synthesized by water-in-oil microemulsion technique. The coercivity value for the nickel zinc ferrite was 25.5 Oe which indicates soft ferromagnetic behaviour. The effect of the charging agent on the stability of the ferrite suspension was improved by analyzing the conductivity and zeta potential of the suspension. The findings show that the higher solid concentration led to lower suspension stability, lower electrophoretic mobility and electrophoretic deposition was carried out from the most stable ferrite suspension. A needle-like structure was observed on top of the surface of the ferrite layer. X-ray diffraction validated the composition of the ferrite layer formed.
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