Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-11-14
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
19 pages, 4 figures
Scientific paper
We report on inelastic electron tunneling spectroscopy measurements carried out on single molecules incorporated into a mechanically controllable break-junction of Au and Pt electrodes at low temperature. Here we establish a correlation between the molecular conformation and conduction properties of a single-molecule junction. We demonstrate that the conductance through single molecules crucially depends on the contact material and configuration by virtue of their mechanical and electrical properties. Our findings prove that the charge transport via single molecules can be manipulated by varying both the molecular conformation (e.g., trans or gauche) and the contact material.
Kim Youngsang
Lee Takhee
Pernau Hans-Fridtjof
Scheer Elke
Song Hyunwook
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