Carbon tips as electrodes for single-molecule junctions

Details Carbon tips as electrodes for single-molecule junctions Carbon tips as electrodes for single-molecule junctions

2011-09-09

arxiv.org/abs/1109.2089v2

Appl. Phys. Lett. 99, 123105 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 5 figures (including supplementary information)

Scientific paper

10.1063/1.3643031

We study electron transport through single-molecule junctions formed by an octanethiol molecule bonded with the thiol anchoring group to a gold electrode and the opposing methyl endgroup to a carbon tip. Using the scanning tunneling microscope based break junction technique, we measure the electrical conductance of such molecular junctions. We observe the presence of well-defined conductance plateaus during the stretching of the molecular bridge, which is the signature of the formation of a molecular junction.

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