Investigation of the proton mobility in CsH(SO 4) 0.76(SeO 4) 0.24 crystal by 1H NMR spectroscopy

Crystals of CsH(SO 4) 0.76(SeO 4) 0.24 formulation were studied by 1H NMR spectroscopy. The 1H line-shape, the T 1 and T 2 relaxation times were determined as a function of temperature. The activation energies deduced from the temperature dependence of relaxation times were compared with the activat...

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Bibliographic Details
Published in:Journal of molecular structure 1998, Vol.440 (1), p.187-192
Main Authors: Gargouri, M., Mhiri, T., Bouachir, M., Daoud, A., Senegaz, J., Réau, J.M.
Format: Article
Language:English
Subjects:
1H NMR spectroscopy
Proton conductors
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Summary:Crystals of CsH(SO 4) 0.76(SeO 4) 0.24 formulation were studied by 1H NMR spectroscopy. The 1H line-shape, the T 1 and T 2 relaxation times were determined as a function of temperature. The activation energies deduced from the temperature dependence of relaxation times were compared with the activation energy issued from conductivity measurements. The results obtained are discussed and supported by the Ngai model.
ISSN:0022-2860
1872-8014
DOI:10.1016/S0022-2860(97)00234-2