Mechanism of enhanced rectification in unimolecular Borromean ring devices

Gavin D. Scott*, Kelly S. Chichak, Andrea J. Peters, Stuart J. Cantrill, J. Fraser Stoddart, H. W. Jiang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We have studied charge transport through individual Borromean ring complexes, both with and without anchor groups, in gated double-barrier tunneling junctions (DBTJs) formed using the electrical breakjunction technique on gold nanowires. While common single-molecule device characteristics can be observed with either form of the Borromean rings, the complexes with anchor groups show a strong rectification of conduction in a relatively high percentage of samples. We present our data along with a simple model underlining the mechanism by which the arrangement and composition of the weakly bonding anchor groups attached to the electroactive element may promote a device configuration resulting in rectification.

Original languageEnglish (US)
Article number113404
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number11
StatePublished - 2006

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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