Quantum transport through single atoms and molecules

Lucia Vitali, Peter Wahl, Robin Ohmann, Jakob Bork, Yong-hui Zhang, L Diekhöner, Klaus Kern

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Experiments on quantum transport in a low temperature scanning tunneling microscope provide the possibility to study atomic and molecular contacts with well-defined electrode geometry at least for one of the contacts, the surface. Here, we show for a number of examples, the strength of transport studies
by STM. For single cobalt adatoms, we demonstrate the abrupt change in the width of the Kondo resonance of the cobalt adatom once the contact regime is reached. Differences of the mechanical properties of junctions with cobalt and gold adatoms are discussed. Finally, we show transport measurements and imaging with individual PVBA molecules.
Original languageEnglish
Pages (from-to)2437-2443
Number of pages7
JournalPhysica Status Solidi. B
Issue number11
Early online date4 Oct 2013
Publication statusPublished - Nov 2013


  • nanoscale contacts
  • quantum transport
  • scanning tunnling microscopy
  • single atoms
  • single molecules


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