Eur. Phys. J. Special Topics 141, 57-60 (2007)
https://doi.org/10.1140/epjst/e2007-00017-y

Gaussian model for localized translational motion. Application to water dynamics in Nafion^® studied by quasi-elastic neutron scattering

Structures et Propriétés d'Architectures Moléculaires, UMR 5819 (CEA-CNRS-UJF) DRFMC/SPrAM, CEA-Grenoble, 38054 Grenoble Cedex 9, France

Abstract

A model based on Gaussian statistics aimed at describing translational motion in confined media is presented. An example of application of this model to the study of water dynamics inside a ionic polymer membrane commonly used in fuel cells, the Nafion^®, is shown.