Abstract
The electrical conductivity and the conductivity relaxation of the glass system xCdI 2-(100 − x)[2Ag 2O–(0.7V 2O 5–0.3B 2O 3)] were studied in the temperature range from 303 K to just below the glass transition temperature and in the frequency range from 100 Hz to 10 MHz. The ionic conductivity of the system is found to increase with increase in the dopant content and maximum value is obtained for 30 mol% of CdI 2 doped system. The impedance data is analyzed in the modulus formalism. The ionic conductivity and conductivity relaxation calculated from impedance and modulus spectra, respectively, were found to be thermally activated and the activation energy obtained from both measurements are comparable. The value of the β parameter has been found out and a comparative study of the impedance and modulus spectrum indicate the non-Debye type of frequency dispersion in the mixed system.
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