Weymouth, Alfred J. and Riegel, Elisabeth and Gretz, Oliver and Giessibl, Franz J. (2020) Strumming a Single Chemical Bond. PHYSICAL REVIEW LETTERS, 124 (19): 196101. ISSN 0031-9007, 1079-7114
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Atomic force microscopy and scanning tunneling microscopy can image the internal structure of molecules adsorbed on surfaces. One reliable method is to terminate the tip with a nonreactive adsorbate, often a single CO molecule, and to collect data at a close distance where Pauli repulsion plays a strong role. Lateral force microscopy, in which the tip oscillates laterally, probes similar interactions but has the unique ability to pull the CO over a chemical bond, load it as a torsional spring, and release it as it snaps over with each oscillation cycle. This produces measurable energy dissipation. The dissipation has a characteristic decay length in the vertical direction of 4 pm, which is 13 times smaller than the decay length in typical STM or AFM experiments.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ATOMIC-RESOLUTION; FORCE; FRICTION; MOLECULE; MICROSCOPY; SURFACE; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Franz J. Giessibl |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 24 Mar 2021 10:28 |
| Last Modified: | 24 Mar 2021 10:28 |
| URI: | https://pred.uni-regensburg.de/id/eprint/44582 |
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