THE COMPARATIVE STUDY OF STRUCTURAL AND MAGNETIC PROPERTIES OF ZINC DOPED COBALT FERRITES
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Date
0022-06-22
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KINNAIRE COLLEGE PHYSICS DEPARTMENT
Abstract
Ferrite is a magnetic ceramic-like substance that can be used in a variety of
electronic devices. Ferrites are polycrystalline and they are made up of many
microscopic crystals they are tough, brittle, iron-rich, and often grey and black in
color. They are made up of an iron oxide chemical combination and one or more
other metals. Nanostructured cubic spinel ferrites with finely controlled
nanostructures open up the possibility of developing nanomaterials with specialized
characteristics for specific uses. In this research work the structural and magnetic
properties of Zn doped Co ferrites were studied and compared. Firstly, the Zn doped
Co ferrites prepared by sol-gel method were studied. X-ray diffraction of Co1-
xZnxFe2O4 ferrite nanoparticles with x = 0.0, 0.1, 0.2, and 0.3, confirms the single phase cubic structure. Magnetic properties were investigated using the Vibrating
Sample Magnetometer. The hysteresis curve of the samples reveals a considerable
increase in magnetic properties. Also, the Zn-doped cobalt-ferrites with
compositions of CoFe2xZnxO4 x=0.0, 0.1, 0.2, and 0.3, were synthesized by auto combustion method. The XRD analysis of the prepared powders showed irregular
shaped grains morphology, as well as small impurity phases. These ferrites are used
in electronic industry in order to make components and it is also used in security
systems