Electron-Vibration Interaction in Single-Molecule Junctions:<? format?> From Contact to Tunneling Regimes
Physical review letters, 2008•APS
Point contact spectroscopy on a H 2 O molecule bridging Pt electrodes reveals a clear
crossover between enhancement and reduction of the conductance due to electron-vibration
interaction. As single-channel models predict such a crossover at a transmission probability
of τ= 0.5, we used shot noise measurements to analyze the transmission and observed at
least two channels across the junction where the dominant channel has a τ= 0.51±0.01
transmission probability at the crossover conductance, which is consistent with the …
crossover between enhancement and reduction of the conductance due to electron-vibration
interaction. As single-channel models predict such a crossover at a transmission probability
of τ= 0.5, we used shot noise measurements to analyze the transmission and observed at
least two channels across the junction where the dominant channel has a τ= 0.51±0.01
transmission probability at the crossover conductance, which is consistent with the …
Point contact spectroscopy on a molecule bridging Pt electrodes reveals a clear crossover between enhancement and reduction of the conductance due to electron-vibration interaction. As single-channel models predict such a crossover at a transmission probability of , we used shot noise measurements to analyze the transmission and observed at least two channels across the junction where the dominant channel has a transmission probability at the crossover conductance, which is consistent with the predictions for single-channel models.
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