Chemical resolution at ionic crystal surfaces using dynamic atomic force microscopy with metallic tips.
Teobaldi, G, Lämmle, K, Trevethan, T, Watkins, M, Schwarz, A, Wiesendanger, R and Shluger, AL (2011) Chemical resolution at ionic crystal surfaces using dynamic atomic force microscopy with metallic tips. Phys Rev Lett, 106 (21).
Full text not available from this repository.Abstract
We demonstrate that well prepared and characterized Cr tips can provide atomic resolution on the bulk NaCl(001) surface with dynamic atomic force microscopy in the noncontact regime at relatively large tip-sample separations. At these conditions, the surface chemical structure can be resolved yet tip-surface instabilities are absent. Our calculations demonstrate that chemical identification is unambiguous, because the interaction is always largest above the anions. This conclusion is generally valid for other polar surfaces, and can thus provide a new practical route for straightforward interpretation of atomically resolved images.
Item Type: | Article | ||||||||||||||||||||||||
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Divisions : | Surrey research (other units) | ||||||||||||||||||||||||
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Date : | 27 May 2011 | ||||||||||||||||||||||||
DOI : | 10.1103/PhysRevLett.106.216102 | ||||||||||||||||||||||||
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Depositing User : | Symplectic Elements | ||||||||||||||||||||||||
Date Deposited : | 17 May 2017 12:35 | ||||||||||||||||||||||||
Last Modified : | 24 Jan 2020 22:30 | ||||||||||||||||||||||||
URI: | http://epubs.surrey.ac.uk/id/eprint/835931 |
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