Abstract
Synthesis of nanoparticles of Ni–Zn ferrite dispersed in aniline formaldehyde copolymer using a room temperature route and the effect of heat treatment on these samples were studied using XRD, FTIR spectroscopy, 57Fe Mössbauer spectroscopy and TEM microscopy. The results show the formation of nanosized particles of Ni–Zn ferrite in the polymer matrix at room temperature. On pyrolysis, the Ni–Zn ferrite phase persists up to 500 °C. However, heating of composites to 700 °C results in the partial reduction of the spinel ferrite leading to the formation of Ni–Fe alloy under ambient conditions and complete reduction of the alloy on heating in inert atmosphere.
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