Abstract

A set of zinc ferrite samples with ZnFe2O4 chemical composition were synthesized at 400, 500, and 1000°C using a conventional solid state synthesis method. The X-ray diffraction pattern of all the three samples was studied at room temperature. This diffraction pattern confirmed the existence of a single-phase cubic spinel structure with lattice parameters 8.451, 8.448, and 8.437Å, correspondingly. Oxygen position and cation distribution of the samples between the tetrahedral site, A, and the octahedral site, B, were examined using the R-Factor method. The results showed that cation distribution of zinc ferrite samples changes from a normal spinel mode into a mixed spinel mode with the decrease of particle size. Moreover, the ratio of zinc divalent cations migrating from the tetrahedral site to the octahedral site was calculated.

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