On functional groups in STM images of self-assembled monolayers

Cedric Volcke, Christophe Humbert, Priscilla Simonis, Philippe Lambin, Christine Culot, Paul Thiry

    Research output: Contribution to journalArticle


    The influence of the tip modification on the contrast of a Scanning Tunnelling Microscopy (STM)image is investigated. This innovative technique makes it possible to identify the molecular organisation inside self-assembled monolayers (SAMs). Moreover, the observed contrast variations, between two different tip modifications, highlight functional groups position and orientation. In situ treatment of modified tips allows to switch contrast enhancement on and off.
    Original languageEnglish
    Pages (from-to)34-38
    Number of pages5
    JournalPhysical and Chemical News
    Publication statusPublished - 2007


    • alkanethiol
    • fatty acids
    • self-assembly
    • scanning tunnelling microscopy
    • solid-liquid interfaces.


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