Cations Distribution Study of Ni1-xCuxFe2O4 Ferrite System
Keywords:
Cation distribution, NiCu spinel ferrite, X-ray diffraction.Abstract
In present work polycrystalline soft spinel ferrite samples having the general chemical formula Ni1-xCuxFe2O4 where x = 0.0 to 1.0 in step of 0.2 were prepared by standard ceramic technique. The formation of single phase cubic spinel structure of all the samples was characterized by X-ray diffraction technique. The values of lattice constant determined from XRD data found to increase as copper content x obeying Vegard’s Law. The cation distribution has been calculated analytically by using X-ray data suggest that Ni2+ ions occupy octahedral [B] sites and Fe3+ ions occupy both tetrahedral (A) and octahedral [B] sites for all the compositions. Cu2+ ions occupy octahedral [B] site in major percentage as compared to tetrahedral (A) sites.
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