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  Interaction of CO molecules with surface state electrons on Ag(111)

Kulawik, M., Rust, H.-P., Heyde, M., Nilius, N., Mantooth, B. A., Weiss, P. S., et al. (2005). Interaction of CO molecules with surface state electrons on Ag(111). Surface Science, 590(2-3), L253-L258. doi:10.1016/j.susc.2005.05.068.

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 Creators:
Kulawik, Maria1, Author           
Rust, Hans-Peter1, Author           
Heyde, Markus1, Author           
Nilius, Niklas1, Author           
Mantooth, Brent A., Author
Weiss, Paul S., Author
Freund, Hans-Joachim1, Author           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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Free keywords: STM; CO; Shockley surface state; Ag(1 1 1); Physisorption
 Abstract: Like other close-packed noble metal surfaces, Ag(1 1 1) exhibits an occupied Shockley-type surface state that is believed to influence the adsorption of atoms and molecules. Using low-temperature scanning tunneling microscopy, we have directly probed this interaction by investigating the local CO distribution dependent on the Ag(1 1 1) surface state standing wave pattern forming in the neighborhood of strong scattering centers such as step edges or hexagonal holes. A quantitative analysis of the STM data reveals that the CO molecules are not arbitrarily distributed upon adsorption at 5 K; they adsorb preferentially near the minima of the standing wave pattern.

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Title: Surface Science
  Alternative Title : Surf. Sci.
Source Genre: Journal
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Pages: - Volume / Issue: 590 (2-3) Sequence Number: - Start / End Page: L253 - L258 Identifier: -