Anomalous diffusion of guest molecules in hydrogen gas hydrates

Diffusion processes in C 0 and sT' structures of hydrogen gas hydrates were studied by the molecular dynamics method. The analysis of mean square displacements shows that hydrogen molecule diffusion in the hydrates on the nanosecond time scale has an anisotropic and anomalous character. The fea...

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Bibliographic Details
Published in:High temperature 2015-11, Vol.53 (6), p.829-836
Main Authors: Smirnov, G. S., Stegailov, V. V.
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
Classical and Continuum Physics
Industrial Chemistry/Chemical Engineering
Laser Matter Interaction
Materials Science
Physical Chemistry
Physics
Physics and Astronomy
Thermophysical Properties of Materials
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Summary:Diffusion processes in C 0 and sT' structures of hydrogen gas hydrates were studied by the molecular dynamics method. The analysis of mean square displacements shows that hydrogen molecule diffusion in the hydrates on the nanosecond time scale has an anisotropic and anomalous character. The features of guest molecule diffusion are determined by a lattice geometry.
ISSN:0018-151X
1608-3156
DOI:10.1134/S0018151X15060188