Controlled transport through a single molecule

Avijit Kumar, Rene Heimbuch, Bene Poelsema, Henricus J.W. Zandvliet

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)
8 Downloads (Pure)


We demonstrate how an electrode–molecule–electrode junction can be controllably opened and closed by careful tuning of the contacts' interspace and voltage. The molecule, an octanethiol, flips to bridge a ~1 nm interspace between substrate and scanning tunnelling microscope tip when an electric field exceeds a threshold (switch 'on'). Reducing the field below this threshold value leads to the reproducible detachment of the octanethiol (switch 'off'). Once contacted, a further reduction of the contacts' interspace leads to an increase of the conductance of the molecule
Original languageEnglish
Article number082201
Pages (from-to)-
Number of pages5
JournalJournal of physics: Condensed matter
Issue number8
Publication statusPublished - 2012


  • IR-84670
  • METIS-286057


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