Control of relative tunneling rates in single molecule bipolar electron transport
The influence of relative electron tunneling rates on electron transport in a double-barrier single-molecule junction is studied. The junction is defined by positioning a scanning tunneling microscope tip above a copper phthalocyanine molecule adsorbed on a thin oxide film grown on the NiAl(110) sur...
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| Veröffentlicht in: | Physical review letters 2004-12, Vol.93 (23), p.236802.1-236802.4, Article 236802 |
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| container_end_page | 236802.4 |
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| container_issue | 23 |
| container_start_page | 236802.1 |
| container_title | Physical review letters |
| container_volume | 93 |
| creator | WU, S. W NAZIN, G. V CHEN, X QIU, X. H HO, W |
| description | The influence of relative electron tunneling rates on electron transport in a double-barrier single-molecule junction is studied. The junction is defined by positioning a scanning tunneling microscope tip above a copper phthalocyanine molecule adsorbed on a thin oxide film grown on the NiAl(110) surface. By tuning the tip-molecule separation, the ratio of tunneling rates through the two barriers, vacuum and oxide, is controlled. This results in dramatic changes in the relative intensities of individual conduction channels, associated with different vibronic states of the molecule. |
| doi_str_mv | 10.1103/physrevlett.93.236802 |
| format | Article |
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| ispartof | Physical review letters, 2004-12, Vol.93 (23), p.236802.1-236802.4, Article 236802 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic transport in interface structures Electronic transport in mesoscopic or nanoscale materials and structures Electronic transport in multilayers, nanoscale materials and structures Exact sciences and technology Physics Tunneling |
| title | Control of relative tunneling rates in single molecule bipolar electron transport |
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