Abstract
Bulk Ni0.55Zn0.45Fe2O4 samples were obtained by sintering their nanopowder at 1100 ∘C, 1200 ∘C, and 1300 ∘C. Improvement in crystallinity on sintering was identified from increase in intensity of the XRD peaks and grain development in SEM micrographs. Saturation magnetization increased from 81.7 emu/g to 85.3 emu/g as the sintering temperature increased from 1100 ∘C to 1300 ∘C. Initial permeability increases whereas the relative loss factor, resonance frequency, and DC resistivity decreases with increasing the sintering temperature. Curie temperatures obtained from low field AC normalized susceptibility and permeability measurements are in good agreement. The DC resistivity of the samples in the present case is two orders higher than the reported values of samples prepared using conventional ceramic method.
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Kothawale, M.M., Tangsali, R.B., Naik, G.K. et al. Effect of Sintering on Magnetic Properties of Ni0.55Zn0.45Fe2O4 . J Supercond Nov Magn 26, 3293–3298 (2013). https://doi.org/10.1007/s10948-013-2171-y
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DOI: https://doi.org/10.1007/s10948-013-2171-y