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Lithium ion transport in Li2SO4-Li2O-B2O3 glasses

Ganguli, M and Bhat, MH and Rao, KJ (1999) Lithium ion transport in Li2SO4-Li2O-B2O3 glasses. In: Physics and Chemistry of Glasses, 40 (6). pp. 297-304.

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Official URL: http://www.ingentaconnect.com/content/sgt/pcg/1999...

Abstract

Electrical conductivity and dielectric relaxation studies with a wide range of compositions of lithium ion conducting glasses belonging to the ternary glass system Li2SO4-Li2O-B2-O3- have been carried out over the temperature range 150-450 K and between 10 - 10(7) Hz. DC conductivities exhibit two different activation regions. This seems to suggest the presence of a cluster tissue texture in these glasses with weakly ordered clusters of Li2SO4 and lithium berates being held together by a truly amorphous tissue of the same average composition as clusters. AC conductivity behaviour of these glasses has been analysed using both power law and stretched exponential relaxation functions. The variation of the power law exponent s and the stretched exponent beta with temperature seems to be consistent with the presence of a cluster tissue texture in these glasses.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Society of Glass Technology.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 23 Jun 2011 09:03
Last Modified: 23 Jun 2011 09:03
URI: http://eprints.iisc.ernet.in/id/eprint/38605

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