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Ionic transport in (PEG)x LiBr systems

Gupta, Shiuli and Binesh, Nader and Shahib, K and Bhat, SV (1996) Ionic transport in (PEG)x LiBr systems. In: Solid State Ionics, 85 (1-4). pp. 187-192.

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Ionic conductivity in (PEG)(x)LiBr systems is measured using the complex impedance method in the temperature range -20 degrees C to 100 degrees C. For x = 6 and 10, above a certain concentration dependent temperature T-c, a power law fit based on mode coupling theory is seen to better explain the data than the Vogel-Tamman-Fulcher (VTF) expression. Li-7 NMR linewidth measurements indicate two regions of motional narrowing, one attributable to segmental motion and the other to translational diffusion.

Item Type: Journal Article
Publication: Solid State Ionics
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 27 Aug 2009 04:33
Last Modified: 19 Sep 2010 05:29
URI: http://eprints.iisc.ac.in/id/eprint/19605

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