Eur. Phys. J. B (2015) 88: 245
https://doi.org/10.1140/epjb/e2015-60526-2

Regular Article

Static current models in Co²⁺ and Ti⁴⁺ substituted M-type CaCo_xTi_xFe_(12−2x)O₁₉ ferrite^*

¹ Department of Electronics and Communication Engineering, Rayat Bahra Institute of Engineering and Nanotechnology, 146104 Hoshiarpur, Punjab, India
² Department of Electronics Technology, Guru Nanak Dev University, Amritsar, Punjab, India
³ High Voltage Laboratory, Wroclaw University of Technology, Wroclaw, Poland

^a e-mail: rcharanjeet@gmail.com

Received: 30 June 2015
Received in final form: 23 July 2015
Published online: 5 October 2015

Abstract

The static current density (J)-electric field (E) characteristics of CaCo_xTi_xFe_(12−2x)O₁₉ ferrite (x = 0.1,0.2,0.3,0.4,0.5,0.6,0.7) have been investigated from 0.06 kV/m to 4.10 kV/m at room temperature. Ohmic behavior is present in compositions x = 0.1,0.2,0.4,0.5,0.6,0.7 at low applied field, whereas non linearity in J-E curves is defined at higher applied region in compositions x = 0.2,0.3,0.4,0.7. The role of various conduction mechanisms Schottky, Poole-Frenkel, Ionic Hopping and Space Charge Limited Current mechanisms has been discussed.