Electronic origin of disorder and diffusion at a molecule-metal interface: Self-assembled monolayers of CH3S on Cu(111)

Martin Konôpka, Roger Rousseau, Ivan Atich, Dominik Marx

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Abstract

The relationship between structure, interfacial electrostatics, bonding, and dynamics of organic molecules on metals is studied using a self-assembled monolayer of methylthiolate, CH3S, on Cu(111). The flat adsorption energy landscape of CH3S/Cu(111) results from metal-to-molecule charge redistribution which allows for a high mobility of CH3S. This contributes a nonuniform diffuse background to Bragg scattering, which needs to be considered in diffraction analyses. Ramifications on the interpretation of experimental data and the potential impact on the design of metal-organic interfaces are discussed.

Original languageEnglish
Article number096102
JournalPhysical review letters
Volume95
Issue number9
DOIs
Publication statusPublished - Aug 26 2005

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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