Comparison of the interactions ofand rare-gas atoms with surfaces of insulators
- 15 February 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 39 (6) , 3854-3861
- https://doi.org/10.1103/physrevb.39.3854
Abstract
Calculations are presented for the interactions of , He, Ne, and Ar with the (001) surfaces of LiF, NaCl, and MgO. We have used a model potential that we developed previously and here applied to new systems. The proposed interaction potential has only one free parameter. This is chosen to be a coefficient describing the long-range interaction, since such a coefficient is the least well known. We then discuss the applicability of this model by comparing the results for different systems. In particular we discuss the He/MgO(001) system for which contradictory experimental determinations of the well depth exist.
Keywords
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