Highly conductive molecular junctions based on direct binding of benzene to platinum electrodes

Details Highly conductive molecular junctions based on direct binding of benzene to platinum electrodes Highly conductive molecular junctions based on direct binding of benzene to platinum electrodes

2008-03-04

arxiv.org/abs/0803.0563v1

Phys. Rev. Lett. 101, 046801 (2008); Selected for a Viewpoint in Physics 1, 5 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.101.046801

Highly conductive molecular junctions were formed by direct binding of benzene molecules between two Pt electrodes. Measurements of conductance, isotopic shift in inelastic spectroscopy and shot noise compared with calculations provide indications for a stable molecular junction where the benzene molecule is preserved intact and bonded to the Pt leads via carbon atoms. The junction has a conductance comparable to that for metallic atomic junctions (around 0.1-1 Go), where the conductance and the number of transmission channels are controlled by the molecule's orientation at different inter-electrode distances.

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