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Ion conductivity and dielectric relaxation behavior in FIC silver based phospho-molybdate glasses

Reddy, Narayana C and Veeranna, Gowda VC and Sujatha, B (2006) Ion conductivity and dielectric relaxation behavior in FIC silver based phospho-molybdate glasses. In: Ionics, 12 (2). pp. 159-165.

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Electrical conductivity and dielectric relaxation studies of silver ion-conducting glasses have been prepared using xAg(2)SO(4)-15Ag(2)O-(90-X)(90P(2)O(5)-10MoO(3)) glass system over a temperature range of 298-353 K and frequencies of 10 Hz to 10 MHz. DC conductivities exhibit Arrhenius behavior over the entire temperature range with a single activation barrier. The ac conductivity behavior of these glasses has been analyzed using single power law; conductivity increases linearly in logarithmic scale with Ag2SO4 concentration. The power law exponent (s) decreases, while stretched exponent (beta) is insensitive to increase of temperature. Scaling behavior has also been carried out using the reduced plots of conductivity and frequency, which suggest that ion transport mechanism remains unaffected at all temperatures and compositions.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Keywords: Ac conductivity;Silver-Phospho-Molybdate glasses;Ag+ ion conduction;Scaling behavior;Dielectric relaxation.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: NG Nishad
Date Deposited: 30 Mar 2009 11:35
Last Modified: 19 Sep 2010 05:24
URI: http://eprints.iisc.ac.in/id/eprint/18513

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