Static conduction mechanisms in Co 2+ and Ti 4+ substituted M-type SrCo x Ti x Fe (12-2x) O 19 ferrite

Vikas Bhikhan, Charanjeet Singh (), Rajneesh Kaur, Maciej Jaroszewski and S. Bindra Narang

The European Physical Journal B: Condensed Matter and Complex Systems, 2015, vol. 88, issue 12, 1-5

Abstract: The static current density (J)-electric field (E) characteristics of SrCo x Ti x Fe (12−2x) O 19 ferrite compositions (x=0.0, 0.2, 0.3, 0.5, 0.6, 0.7, 1.0) have been investigated from 0.07 kV/m to 5.29 kV/m at room temperature. All compositions obey Ohms Law at low applied field and non-linearity conduction is observed at high field in compositions x=0.0, 0.2, 0.3, 0.5, 0.6 and 1.0. The non-linear conduction mechanisms, Schottky, Poole-Frenkel, Ionic Hopping and Space Charge Limited Current mechanism, have been discussed. The current density is increased at higher substitution. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Date: 2015
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DOI: 10.1140/epjb/e2015-60512-8

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