Del Valle, Miriam and Gutirrez, Rafael and Tejedor, Carlos and Cuniberti, Gianaurelio (2007) Tuning the conductance of a molecular switch. NATURE NANOTECHNOLOGY, 2 (3). pp. 176-179. ISSN 1748-3387,
Full text not available from this repository. (Request a copy)Abstract
The ability to control the conductance of single molecules will have a major impact in nanoscale electronics(1-11). Azobenzene, a molecule that changes conformation as a result of a trans/cis transition when exposed to radiation, could form the basis of a light-driven molecular switch(12-14). It is therefore crucial to clarify the electrical transport characteristics of this molecule. Here, we investigate, theoretically, charge transport in a system in which a single azobenzene molecule is attached to two carbon nanotubes. In clear contrast to gold electrodes, the nanotubes can act as true nanoscale electrodes and we show that the low-energy conduction properties of the junction may be dramatically modified by changing the topology of the contacts between the nanotubes and the molecules, and/or the chirality of the nanotubes (that is, zigzag or armchair). We propose experiments to demonstrate controlled electrical switching with nanotube electrodes.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SINGLE-MOLECULE; CONFORMATIONAL-CHANGES; CARBON NANOTUBES; ELECTRONICS; TRANSPORT; CHEMISTRY; CONTACTS; PHYSICS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Alumni or Retired Professors > Group Gianaurelio Cuniberti |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 21 Dec 2020 11:46 |
| Last Modified: | 21 Dec 2020 11:46 |
| URI: | https://pred.uni-regensburg.de/id/eprint/33140 |
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