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A standing molecule as a coherent single-electron field emitter
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(2021) A standing molecule as a coherent single-electron field emitter. In: 2021 34th International Vacuum Nanoelectronics Conference (IVNC), Lyon, France, 5-9 Jul 2021. Published in: 2021 34th International Vacuum Nanoelectronics Conference (IVNC) pp. 1-2. doi:10.1109/IVNC52431.2021.9600722 ISSN 2164-2370.
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Official URL: http://dx.doi.org/10.1109/IVNC52431.2021.9600722
Abstract
The assembly of single-molecule devices with the help of the manipulation capability of scanning probe microscopes offers many opportunities for quantum- and nanotechnology. A key challenge is fabricating device structures that can overcome their attraction to the underlying surface and thus protrude from the two-dimensional flatlands of the surface. In my talk, I will report the fabrication of such a structure: we use the tip of a scanning probe microscope to lift a large planar aromatic molecule into an upright, standing geometry on a pedestal of two metal adatoms. This atypical upright orientation of the single molecule, whose stability can be understood as the result of a fine balance between chemical and dispersion forces, enables the system to function as a quantum dot and an on-demand coherent single-electron field emitter. If attached to the tip of the microscope, the standing molecule can also be applied as a sensitive quantum dot sensor. We anticipate that other metastable adsorbate configurations might also be accessible, thereby opening up the third dimension for the design of functional nanostructures on surfaces. Finally, we have made first steps into the direction of an autonomous robotic nanofabrication of single-molecule devices.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Science > Chemistry > Computational and Theoretical Chemistry Centre |
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| Journal or Publication Title: | 2021 34th International Vacuum Nanoelectronics Conference (IVNC) | ||||
| Publisher: | IEEE | ||||
| ISSN: | 2164-2370 | ||||
| Book Title: | 2021 34th International Vacuum Nanoelectronics Conference (IVNC) | ||||
| Official Date: | 17 November 2021 | ||||
| Dates: |
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| Page Range: | pp. 1-2 | ||||
| DOI: | 10.1109/IVNC52431.2021.9600722 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 2021 34th International Vacuum Nanoelectronics Conference (IVNC) | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Lyon, France | ||||
| Date(s) of Event: | 5-9 Jul 2021 |
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