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Keywords:

  • electron transport;
  • metal complexes;
  • molecular electronics;
  • molecule conductance;
  • single-molecule studies
Thumbnail image of graphical abstract

A bridged version: Molecular junctions bridged by metal ion complexes were investigated by mechanically controllable break junction experiments on the level of individual molecules. The electrical conductance of the junctions varied strongly with the kind of bonded metal ion, in the order: Ca2+≫Zn2+>Ni2+ (see figure).