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Keywords:

  • atomic force microscopy;
  • molecular switch;
  • phthalocyanine;
  • scanning tunneling microscopy

Abstract

The conductance, frequency shift, and energy dissipation are measured during the formation of a contact to a single tin-phthalocyanine (SnPc) molecule. The molecule is located on top of a first SnPc layer on Ag(111). The data show that subtle changes of the adsorption geometry cause drastic differences of the conductance, force, and dissipation signals.pssb201349210-gra-0001

Site-dependent averaged conductance shift versus piezo displacement.