Moll, Nikolaj and Schuler, Bruno and Kawai, Shigeki and Xu, Feng and Peng, Lifen and Orita, Akihiro and Otera, Junzo and Curioni, Alessandro and Neu, Mathias and Repp, Jascha and Meyer, Gerhard and Gross, Leo (2014) Image Distortions of a Partially Fluorinated Hydrocarbon Molecule in Atomic Force Microscopy with Carbon Monoxide Terminated Tips. NANO LETTERS, 14 (11). pp. 6127-6131. ISSN 1530-6984, 1530-6992
Full text not available from this repository. (Request a copy)Abstract
The underlying mechanisms of image distortions in atomic force microscopy (AFM) with CO-terminated tips are identified and studied in detail. AFM measurements of a partially fluorinated hydrocarbon molecule recorded with a CO-terminated tip are compared with state-of-the-art ab initio calculations. The hydrogenated and fluorinated carbon rings in the molecule appear different in size, which primarily originates from the different extents of their pi-electrons. Further, tilting of the CO at the tip, induced by van der Waals forces, enlarges the apparent size of parts of the molecule by up to 50%. Moreover, the CO tilting in response to local Pauli repulsion causes a significant sharpening of the molecule bonds in AFM imaging.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; Single molecule; NC-AFM |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Jascha Repp |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 08 Aug 2019 08:08 |
| Last Modified: | 08 Aug 2019 08:08 |
| URI: | https://pred.uni-regensburg.de/id/eprint/9249 |
Actions (login required)
 |
View Item |
