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Mechanism of protonic conduction in defect pyrochlore HNbWO6.xH(2)O using MAS NMR

Binesh, Nader and Bhat, Vasudeva and Bhat, SV (1996) Mechanism of protonic conduction in defect pyrochlore HNbWO6.xH(2)O using MAS NMR. In: 10th International Conference on Solid State Ionics (SSI-10), DEC 03-08, 1995, SINGAPORE.

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Official URL: http://dx.doi.org/10.1016/0167-2738(96)00232-9

Abstract

We have carried out H-1 Magic Angle Spinning (MAS) NMR measurements at various spinning speeds (1-12 kHz) on HNbWO(6)xH(2)O (x = 0 and 1) defect pyrochlore systems. The variation of the line width with the spinning speed in the two systems points towards the presence of motions with different time scales. We conclude that the mechanism of conduction in both the compounds are similar except that the proton hopping in hydrated form is assisted by the water of hydration.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Protonic conduction:Magic angle spinning NMR;Hydration
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 03 May 2011 07:05
Last Modified: 03 May 2011 07:05
URI: http://eprints.iisc.ernet.in/id/eprint/37355

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