Synthetize and Magnetic Properties of Ni Substituted Polycrystalline Zn-spinel Ferrites
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 12
Abstract
The mixed polycrystalline 1 2 4 Ni Zn Fe O s s ferrites where s is the percentage increments of Zn ions, were prepared using the standard double sintering by mixing pure metal oxides NiO , ZnO and 2 3 Fe O . The netmagnetization ( net M )was studied at room temperature as a function of applied magnetic field(H)over the range of (0-45) Oe ina constant magnetizing frequency (ν = 50 Hz). net M show increasing with increasing of H. net M is found to increase for the samples of s = 0.0, 0.2, 0.4and 0.6 then decreases thereafter while the concentration of Zn increases in matrix i.e. samples of s = 0.8 and 1.0. The increasing of the magnetization with increasing of Zn 2 ions for the samples ofs = 0.0, 0.2 and 0.4 explained by Neel’s two-sublattice model. However, for the decreasing of magnetization beyonds> 0.6explained by Yafet and Kittel for the three-sublattice model. The Yafet-Kittel angle ( YK ) for the samples of s = 0.4 to s = 1.0, shows increasing with increasing of the amount of nonmagnetic ions Zn 2 in ferrite. The relation between H and relative permeability ( r ) show an interesting behaviourof the present ferrite samples. r for the samples of s = 0.0, 0.2, 0.8 and 1.0 is found to be smaller than the samples with s = 0.4 and s = 0.6. Substitution of the non-magnetic Zn 2 ions in Ni spinel ferrite has a tremendous influence such the magnetic properties. Furthermore, Zn content has significant influence on the magnetic properties for Niferrites, so, the mixed Ni-Zn spinel ferrite is considered a soft ferrite material, which is proved an interesting material for technological and scientific applications.
Authors and Affiliations
Hussien Dawoud, Lubna Abu Ouda, Samy Shaat
Keywords
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