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Effect of Zinc Substitution on Physical Properties of Polycrystalline Nickel Ferrite Nano Particles

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Author(s): D. V. Kurmude | R. G. Dorik | V. D. Murumkar | K. M. Jadhav | D. R. Shengule

Journal: Review of Research
ISSN 2249-894X

Volume: I;
Issue: IX;
Start page: 146;
Date: 2012;
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Keywords: Polycrystalline NiZn ferrites | X-ray diffraction | Physical properties

ABSTRACT
Polycrystalline powders of zinc substituted nickel ferrite nano particles with compositional formula Ni1-xZnxFe2O4 are prepared by sol gel auto combustion method of synthesis. Here, we report the structural and magnetic properties of Ni Zn Fe O ferrite system for x = 0.0, 0.2 and 0.4. Structural 1-x x 2 4 characterization of the prepared samples by X-ray diffraction confirms the formation of nano particles with spinel structure. Lattice constant calculated showed gradual increase with zinc substitution. Average particle size calculated from most intense reflection (311) using Debye-Scherrer's formula was found to be 30 nm. Other parameters such as X-ray density (d ), bulk density (d ), porosity (P), specific surface area (s), hopping lengths (LA x b& LB), tetrahedral and octahedral bond lengths (d & d ), shared and unshared octahedral bond lengths (d & AX BX BXE d ) are also determined.
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