Ionic Films on Vicinal Metal Surfaces: Enhanced Binding due to Charge Modulation

Jascha Repp, Stefan Fölsch, Gerhard Meyer, and Karl-Heinz Rieder
Phys. Rev. Lett. 86, 252 – Published 8 January 2001
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Abstract

NaCl films on Cu(311) exhibit a remarkably strong and localized binding between adlayer and substrate. The binding sites of the ions in the NaCl film with respect to the Cu surface are determined from atomically resolved scanning tunneling microscopy images. A new model is proposed in which the binding mechanism is controlled by the charge modulation of a regularly stepped surface due to the Smoluchowski effect. This model can be extended to explain the growth of ionic adlayers on regularly stepped and kinked metal surfaces in general.

  • Received 7 September 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.252

©2001 American Physical Society

Authors & Affiliations

Jascha Repp1, Stefan Fölsch1, Gerhard Meyer1,2, and Karl-Heinz Rieder1

  • 1Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
  • 2Paul Drude Institut für Festkörperelektronik, Hausvogteiplatz 5-7, D-10117 Berlin, Germany

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Vol. 86, Iss. 2 — 8 January 2001

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