Low temperature manipulation of big molecules in constant height mode

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  • Francesca Moresco
    Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
  • Gerhard Meyer
    Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
  • Karl-Heinz Rieder
    Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
  • Hao Tang
    CEMES-CNRS, 29 rue J. Marvig, P.O. Box 4347, F-31055 Toulouse Cedex, France
  • André Gourdon
    CEMES-CNRS, 29 rue J. Marvig, P.O. Box 4347, F-31055 Toulouse Cedex, France
  • Christian Joachim
    CEMES-CNRS, 29 rue J. Marvig, P.O. Box 4347, F-31055 Toulouse Cedex, France

Description

<jats:p>The possibility of extending the lateral manipulation process performed with the tip of a scanning tunneling microscope at low temperature to large molecules is demonstrated. Single Cu–TBPP molecules deposited on a Cu substrate were manipulated by means of the interaction between the molecule and the tip. Due to the complicated structure of the molecules and to their high conductance, we have explored the possibilities of performing controlled lateral manipulation at constant height. On Cu(111) this method makes possible translation combined with rotation of the molecules on the surface.</jats:p>

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