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Novel solid solution precursor method for the preparation of ultrafine Ni-Zn ferrites

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Abstract

Ultrafine Ni-Zn ferrites, Ni x Zn1-x Fe204, have been prepared by the thermal decomposition/combustion of novel solid solution precursors of the type, (N2H5)3N1-x Zn1-x Fe2(N2H3C00)9 · 3H20 wherex = 0.2 to 0.8. The novelty of the precursors being their low temperature, exothermic, gas producing self-sustained decomposition. Fine particle nature of the ferrites has been indicated by X-ray powder diffraction, transmission electron microscopy and surface area measurements. Fine particle Ni-Zn ferrites sinter at 1000° C, 24 h to achieve almost 99% theoretical density.

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Authors and Affiliations

  1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, 560012, Bangalore, India

    P. Ravindranathan & K. C. Patil

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  1. P. Ravindranathan
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  2. K. C. Patil
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Ravindranathan, P., Patil, K.C. Novel solid solution precursor method for the preparation of ultrafine Ni-Zn ferrites. J Mater Sci 22, 3261–3264 (1987). https://doi.org/10.1007/BF01161190

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