| Issue |
Europhys. Lett.
Volume 33, Number 8, March II 1996
|
|
|---|---|---|
| Page(s) | 635 - 640 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00391-2 | |
| Published online | 01 September 2002 | |
Length dependence of the electronic transparence (conductance) of a molecular wire
CEMES-LOE/CNRS 29, Rue J. Marvig - B.P. 4347, 31055
Toulouse Cedex, France
Received:
16
October
1995
Accepted:
22
January
1996
The electronic transparence of a single molecular wire connecting the two electrodes of a metal-insulating-metal nanojunction decreases exponentially with its length. The transparence attenuation can be quite small depending of the homo-lumo gap of the molecule and of electronic interaction of the wire ends with the electrodes. For a 10 nm long polyene connecting two nano-electrodes, a 100 mV bias voltage will lead to a tunnelling current intensity in the 10 pA range.
PACS: 73.40.Sx – Metal-semiconductor-metal structures / 73.40.Gk – Tunneling / 73.90.+f – Other topics in electronic structure and electrical properties of surfaces, interfaces, and thin films
© EDP Sciences, 1996
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