Abstract

Dynamics of water molecules contained in the pores of alumina gel have been studied by the neutron scattering technique. Neutron incoherent quasi elastic scattering data from the confined water are analysed following the procedure described by Volino and Dianoux [15]. We have obtained the radius of confinement (or the localisation radius), the translational diffusion coefficient and the residence time for translational diffusion at room temperature. It was found that the bulk water diffusion phenomena are very much different from the diffusion of water molecules in a confined system.

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