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Sodium ion self-diffusion in molten NaBr probed over different length scales
2020
Physical review. E
The single-particle dynamics of sodium ions in molten sodium bromide has been investigated with quasielastic neutron scattering. A detailed and rather extensive data analysis procedure allowed determination of the pure sodium ion dynamics with increasing wave vector. Two different evaluation procedures agree perfectly on the resulting diffusion coefficient of sodium ions on long distances. A simple kinetic theory based on binary collisions of hard spheres is not able to reproduce the sodium
doi:10.1103/physreve.101.062603
pmid:32688605
fatcat:3stweyta7vawbpyno4piq57uai