Li+ ion dynamics in strontium bismuthate glasses

Dutta, A. ; Ghosh, A. (2004) Li+ ion dynamics in strontium bismuthate glasses Journal of Physics: Condensed Matter, 16 (45). pp. 7895-7902. ISSN 0953-8984

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Ion transport in Li2O-Bi2O3-SrO glasses has been studied in the frequency range 10 Hz-2 MHz and in the temperature range 263-483 K. The variation of the dc conductivity and the activation energy of these glasses with composition has been compared with those of bismuthate and lead bismuthate glasses. The frequency dependent conductivity has been studied using both modulus and conductivity formalisms. We have observed that the variation of the power law exponent with Li2O content is in contrast to that for the Li2O-Bi2O3 andLi2O-Bi2O3-PbO glasses. The values of the non-exponential parameter for the Li2O-Bi2O3-SrO glasses are lower than those for the binary Li2O-Bi2O3 glasses.

Item Type:Article
Source:Copyright of this article belongs to Institute of Physics Publishing.
ID Code:11643
Deposited On:13 Nov 2010 14:07
Last Modified:02 Jun 2011 05:04

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