Abstract
Nanocrystalline Ni1−x Zn x Fe2O4 ( 0.0 ≤ x ≤ 0.8) ferrites have been synthesized by using an oxalic-acid-based precursor method. The X-ray diffraction (XRD) analysis revealed the formation of a single-phase spinel structure at very low annealing temperature. The particle size was observed to decrease with increasing Zn content x. The lattice constants was observed to increase with increasing Zn content x due to large ionic radii of the zinc ion when compared to that of the nickel ion. Magnetic measurements at room temperature revealed that the magnetization did not change monotonically with increasing Zn content x. The coercivity and the remanence were observed to decrease with increasing non-magnetic Zn content x. The observed magnetic properties may be due to a reduction in the number of exchange interactions and the nanocrystalline size with increasing Zn content x.
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Anjaneyulu, T., Raghavender, A.T., Kumar, K.V. et al. Influence of zinc doping in nickel ferrite nanoparticles synthesized by using an oxalic-acid-based precursor method. Journal of the Korean Physical Society 62, 1114–1118 (2013). https://doi.org/10.3938/jkps.62.1114
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DOI: https://doi.org/10.3938/jkps.62.1114