Characterization of single-molecule pentanedithiol junctions by inelastic electron tunneling spectroscopy and first-principles calculations

Details Characterization of single-molecule pentanedithiol junctions by inelastic electron tunneling spectroscopy and first-principles calculations Characterization of single-molecule pentanedithiol junctions by inelastic electron tunneling spectroscopy and first-principles calculations

2010-01-14

arxiv.org/abs/1001.2392v1

Phys. Rev. B 81, 075405 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures (accepted in Phys. Rev. B)

Scientific paper

10.1103/PhysRevB.81.075405

We study pentanedithiol molecular junctions formed by means of the break-junction technique with a scanning tunneling microscope at low temperatures. Using inelastic electron tunneling spectroscopy and first-principles calculations, the response of the junction to elastic deformation is examined. We show that this procedure makes a detailed characterization of the molecular junction possible. In particular, our results indicate that tunneling takes place through just a single molecule.

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