Phenomenology of the Temperature-Frequency Dispersion of Electrical Properties of Aluminium-Substituted Lithium-Iron Spinel

  • I.M. Gasiuk Vasyl Stefanyk Precarpathian National University
  • D.M. Chervinko Vasyl Stefanyk Precarpathian National University
  • M.I. Gasiuk Vasyl Stefanyk Precarpathian National University
  • L.Ya. Lozinska Vasyl Stefanyk Precarpathian National University
Keywords: Jonsher’s phenomenological approach, Cole-Cole method, electrical conductivity dispersion

Abstract

The conductivity of the Li-containing Al-oxoferrite samples has been studied. Using Jonsher’s phenomenological approach, existence of 2 types of conductivity (electronic and ionic) in the above mentioned samples has been confirmed. Using Cole-Cole method, the character of electrical conductivity dispersion of the samples has been shown. The activation energy for the series of samples have been calculated.  It has been found that the ionic contribution to the total conductivity of the system is much lower that the corresponding electronic contribution.

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Published
2019-12-15
How to Cite
[1]
GasiukI., ChervinkoD., GasiukM. and LozinskaL. 2019. Phenomenology of the Temperature-Frequency Dispersion of Electrical Properties of Aluminium-Substituted Lithium-Iron Spinel. Physics and Chemistry of Solid State. 20, 4 (Dec. 2019), 423-431. DOI:https://doi.org/10.15330/pcss.20.4.423-431.
Section
Scientific articles