Faculté des sciences

The Interaction of Argon with Sulfur Surfaces. Experimental and calculated variations of the adsorption potential with surface coverage

Stoeckli-Evans, Helen ; Stoeckli, Fritz

In: Helvetica Chimica Acta, 1975, vol. 58, no. 1, p. 194-198

The adsorption potentials of argon on the (111), (001) and (110) planes of rhombic sulfur have been calculated for a total of 818 sites, using an intermolecular potential of the Lennard-Jones (6:12) type with the Kirkwood-Müller expression. Direct summation over the nearest 100-150 atoms of the solid was used. There is a good agreement between the experimental and the calculated... More

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    Summary
    The adsorption potentials of argon on the (111), (001) and (110) planes of rhombic sulfur have been calculated for a total of 818 sites, using an intermolecular potential of the Lennard-Jones (6:12) type with the Kirkwood-Müller expression. Direct summation over the nearest 100-150 atoms of the solid was used. There is a good agreement between the experimental and the calculated values of the adsorption potential, as a function of the surface coverage.