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
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.
© EDP Sciences, Springer-Verlag, 2007