Single Molecular Devices

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• Dr Andre Gourdon, Centre d'Elaboration de Matériaux et d'Etudes Structurales, Toulouse, France
• Friday 07 March 2008, 16:00-17:00
• CAPE building main atrium.

If you have a question about this talk, please contact Dr James Bendall.

Low-temperature UHV Scanning Tunnelling Microscopes are nowadays not only microscopes but tools at the nanoscale allowing manipulation of atoms and molecules, sub-molecular spectroscopy experiments, chemical activation etc…It opens the way to new measurements, new researches on single molecules with exceedingly high accuracy and control. To carry out such experiments, specific molecules have to be designed [1]. In this presentation, we will introduce series of molecular devices devised for studying electronic and mechanical properties at the single molecular level. For instance, molecular devices designed to trap and move metallic atoms (Fig 1) [2], to perform switching and conformational changes [3] or to demonstrate a rack-and-pinion mechanism will be presented [4].

References: 1 F. Moresco and A. Gourdon, Proc. Natl. Acad. Sci. USA 8809 (2005) 102. 2 L. Gross, K.-H. Rieder, F. Moresco, S. Stojkovic, A. Gourdon and C. Joachim, Nature Materials 892 (2005) 4. 3 L. Grill, K.-H. Rieder, and F. Moresco, S. Stojkovic, A. Gourdon, and C. Joachim Nanoletters 12(6), (2006) 2685. 4 F. Chiaravalloti, L. Gross, K.-H. Rieder, S. M. Stojkovic, A. Gourdon, C. Joachim, and F. Moresco Nature Materials 6 (2007) 30.

This talk is part of the Nanoscience Centre Seminar Series series.

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