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AC CONDUCTIVITY SPECTRA OF KCl CRYSTALS. TEMPERATURE DEPENDENT DEVIATIONS FROM THE SUMMERFIELD SCALING

A. Ioanid1,* , A. S. Dafinei1

Affiliation

  1. Department of Solid State Physics, Faculty of Physics, University of Bucharest, P.O. Box Mg. 11, 077125 Bucharest - Magurele, Romania

Abstract

The application on the Summerfield scaling law does not lead to a superposition of the conductivity isotherms of KCl:In crystals, but the isotherms are shifted to higher values on the Tdcs n axis as the temperature deceases. The isotherms, however, do collapse onto a single master curve when an additional scaling factor aT with ]1 2.1[ ‚‚‚‚ ˛˛˛˛a is used for frequency axis. The exponent a decreases with temperature. The results of this scaling procedure have been obtained considering the shape of the isotherms being independent of composition..

Keywords

Conductivity spectra, Scaling law, Master curve, Solid state ionics.

Submitted at: Jan. 7, 2004
Accepted at: June 10, 2004

Citation

A. Ioanid, A. S. Dafinei, AC CONDUCTIVITY SPECTRA OF KCl CRYSTALS. TEMPERATURE DEPENDENT DEVIATIONS FROM THE SUMMERFIELD SCALING, Journal of Optoelectronics and Advanced Materials Vol. 6, Iss. 2, pp. 465-469 (2004)