Abstract
The adsorption dynamics of water on NaCl(100) is studied by molecular dynamics calculations as a function of coverage. We find that, starting from a critical coverage of about 1/2 monolayer, a coupling of the water dipoles sets in and the interaction between the water molecules wins over the interaction between adsorbate and substrate leading via percolation to formation of infinite cluster networks. This effect is confirmed qualitatively by surface sensitive optical second harmonic measurements with well-controlled water exposure. At a coverage of one bilayer, a two-dimensional ‘‘ice’’ structure is found to be stable. Simulated low-energy electron diffraction (LEED) patterns for this configuration are in excellent agreement with recent observation of a c(4×2) overstructure.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:28 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 7, 2024, 5 p.m.) |
Indexed | 1 year, 1 month ago (July 13, 2024, 9:56 a.m.) |
Issued | 32 years, 2 months ago (June 15, 1993) |
Published | 32 years, 2 months ago (June 15, 1993) |
Published Print | 32 years, 2 months ago (June 15, 1993) |
@article{Wassermann_1993, title={Clustered water adsorption on the NaCl(100) surface}, volume={98}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.464438}, DOI={10.1063/1.464438}, number={12}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Wassermann, B. and Mirbt, S. and Reif, J. and Zink, J. C. and Matthias, E.}, year={1993}, month=jun, pages={10049–10060} }