On the Physisorption Interaction of H2With Cu-Metal
- 1 January 1983
- journal article
- Published by IOP Publishing in Physica Scripta
- Vol. T4 (T4) , 14-16
- https://doi.org/10.1088/0031-8949/1983/t4/002
Abstract
The physisorption of H2 on copper is discussed in the light of a recent theory of the helium-metal interaction. The theory relates the repulsive branch of the physisorption well to the scattering of individual evanescent band electrons by the ad-particle potential. Metal electrons are expelled from the region near the ad-particle and the band energy is driven up. The H2-Cu physisorption well is found to be 23 meV deep, and only very weakly dependent on the orientation of the molecular axis.Keywords
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