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The adsorption of H2, D2and Ar on graphite: New theoretical results

Authors
Journal
Surface Science
0039-6028
Publisher
Elsevier
Publication Date
Volume
208
Identifiers
DOI: 10.1016/0039-6028(89)90031-9

Abstract

Abstract We have calculated the interaction potentials of H 2, D 2 and Ar with the basal plane of graphite. The repulsive part of the potential is constructed using the “effective medium theory” (EMT), while the attraction consists of anisotropic damped dipole and quadrupole terms. The diffusion coefficient for single H 2 and D 2 molecules adsorbed on graphite has been evaluated. We also present the coefficient for the long range interaction for an atom or molecule with a rare-gas plated graphite surface.

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