A Triple Quantum Dot in a Single-Wall Carbon Nanotube
A top-gated single-wall carbon nanotube is used to define three coupled quantum dots in series between two electrodes. The additional electron number on each quantum dot is controlled by top-gate voltages allowing for current measurements of single, double, and triple quantum dot stability diagrams....
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| Veröffentlicht in: | Nano letters 2008-04, Vol.8 (4), p.1055-1060 |
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| container_title | Nano letters |
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| creator | Grove-Rasmussen, K Jørgensen, H. I Hayashi, T Lindelof, P. E Fujisawa, T |
| description | A top-gated single-wall carbon nanotube is used to define three coupled quantum dots in series between two electrodes. The additional electron number on each quantum dot is controlled by top-gate voltages allowing for current measurements of single, double, and triple quantum dot stability diagrams. Simulations using a capacitor model including tunnel coupling between neighboring dots captures the observed behavior with good agreement. Furthermore, anticrossings between indirectly coupled levels and higher order cotunneling are discussed. |
| doi_str_mv | 10.1021/nl072948y |
| format | Article |
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| ispartof | Nano letters, 2008-04, Vol.8 (4), p.1055-1060 |
| issn | 1530-6984 1530-6992 |
| language | eng |
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| source | American Chemical Society Journals |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology Electronics Exact sciences and technology Materials science Molecular electronics, nanoelectronics Nanoscale materials and structures: fabrication and characterization Nanotubes Physics Quantum dots Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices |
| title | A Triple Quantum Dot in a Single-Wall Carbon Nanotube |
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