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Vibronic effects on resonant electron conduction through single molecule junctions | | C. Benesh
; M. Thoss
; W. Domcke
; M. Cizek
; | | Date: |
29 Jun 2006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | | Abstract: | The influence of vibrational motion on electron conduction through single molecules bound to metal electrodes is investigated employing first-principles electronic-structure calculations and projection-operator Green’s function methods. Considering molecular junctions where a central phenyl ring is coupled via (alkane)thiol-bridges to gold electrodes, it is shown that -- depending on the distance between the electronic $pi$-system and the metal -- electronic-vibrational coupling may result in pronounced vibrational substructures in the transmittance, a significantly reduced current as well as a quenching of negative differential resistance effects. | | Source: | arXiv, cond-mat/0606756 | | Services: | Forum | Review | PDF | Favorites | |
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