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Research Article Open access CC BY 4.0

Effect of Temperature on Structural, Magnetic and Dielectric Properties of Cobalt Ferrite Nanoparticles Prepared via Co-precipitation Method

Abubakar Yakubu, Zulkifly Abbas, Nor Azowa Ibrahim, Mansor Hashim

Physical Science International Journal · pp. 1–8 · Published 14 Aug 2015

10.9734/PSIJ/2015/18787

Abstract

Nano-crystalline cobalt ferrite powders have been synthesized by coprecipitation method and characterized to investigate the effect of thermal treament on the structural, dielectric, and magnetic properties of the prepared sample. The structural/morphological, dielectric, and magnetic properties of the products were determined by X-ray diffraction (XRD), transmission electron microscopy (TEM), open ended coaxial probe and vibrating sample magnetometer (VSM). Results from analysis confirms that thermal heat influences the magnitude of magnetization, dielectric and surface morhpology of samples. The variation of dielectric properties with frequency reveals that the variation in magnitude is due to Maxwell–Wagner type of interfacial polarization as well as hopping of charge from Fe2+ to Fe3+ and from Co2+ to Co3+ ions at B-sites.  

Nanoparticles ferrites spinel cobalt ferrite permittivity

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