Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777

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Research Article, J Nanomater Mol Nanotechnol Vol: 4 Issue: 2

Effect of Sintering Temperature on the Structural Magnetic and Electrical Properties of Zinc Ferrite Samples

Rintu Mary Sebastian, Sheena Xavier1 and Mohammed EM*
Research Department of Physics, Maharaja's College, Ernakulam, Kerala,India
Corresponding author : Mohammed EM
Research Department of Physics, Maharaja's College, Ernakulam, Kerala, India
Tel: +919495315208; Fax: 91484 2363038
E-mail: [email protected]
Received: January 12, 2015 Accepted: March 05, 2015 Published: March 09, 2015
Citation: Sebastian RM, Xavier S, Mohammed EM (2015) Effect of Sintering Temperature on the Structural Magnetic and Electrical Properties of Zinc Ferrite Samples. J Nanomater Mol Nanotechnol 4:2. doi:10.4172/2324-8777.1000158

Abstract

Effect of Sintering Temperature on the Structural Magnetic and Electrical Properties of Zinc Ferrite Samples

Zinc ferrite was synthesized by sol–gel method. Fine particles with different grain size were obtained by subsequent heat treatment at different temperatures. The structure of all the prepared samples was elucidated using XRD. Magnetic measurement shows a decrease in magnetization with increase in sintering temperature. The variation of AC conductivity and dielectric constant was studied as a function of frequency, temperature and grain size. The Maxwell-Wagner two layer model and electron hopping mechanism was used to explain the variation of conduction and polarization with frequency. The observed high permittivity and conductivity for small grains were explained on the basis of the correlated barrier hopping model.

Keywords: Ferrite; Sol�gel; Zinc ferrite sintering temperature; Magnetic properties; Dielectric permittivity; AC conductivity

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