Investigation of DC current models in Co 2+ and Ti 4+ substituted M-type BaCo 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 BaCo x Ti x Fe (12−2x) O 19 ferrite compositions (x=0.1, 0.3, 0.5, 0.7, 0.9) have been investigated at an applied field from 0.003 kV/m to 4.98 kV/m at room temperature. Compositions x=0.3, 0.5 and 0.7 exhibit ohmic behavior at low applied field and non-linear conduction is observed in compositions x=0.1, 0.3, 0.7 and 0.9 at higher applied field. The various non-linear conduction models, associated with Schottky, Poole-Frenkel, Ionic Hopping and Space Charge Limited Current mechanisms, have been discussed. The large current density has been found at higher substitution. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Date: 2015
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DOI: 10.1140/epjb/e2015-60513-7

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