STM tip functionalisation : A route to chemical contrast imaging

Volcke, Cédric;Simonis, Priscilla;Durant, François;Thiry, Paul A.;Humbert, Christophe;et.al.
(2005) Physicalia Magazine — Vol. 27, n° 4, p. 415-422 (2005)

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  • Volcke, CédricUCLouvain
    Author
  • Simonis, PriscillaUnamur
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  • Durant, FrançoisUnamur
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  • Thiry, Paul A.Unamur
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  • Humbert, ChristopheUnamur
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Abstract
The influence of the modification of a STM tip on the image contrast is investigated. This revolutionary technique is applied to the identification of the molecular organisation inside self-assembled monolayers (SAMs) of wax esters. Moreover, the contrast difference observed, while imaging with two different tip modifications, highlights the ester group position and orientation. The application of this process to the study of fatty acids overlayers demonstrates its transposability to other compounds.
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Volcke, C., Simonis, P., Durant, F., Thiry, P. A., Lambin, P., Culot, C., & Humbert, C. (2005). STM tip functionalisation : A route to chemical contrast imaging. Physicalia Magazine, 27(4), 415-422. https://hdl.handle.net/2078.5/66397 (Original work published 2005)