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Published on: December 2, 2022
Three-dimensional dynamic force spectroscopy measurements on KBr(001): atomic deformations at small tip-sample
1Department of Physics, University of Basel, Klingelbergstraße 82, CH-4056 Basel, Switzerland. Sweetlana.Fremy@unibas.ch
Abstract:
Three-dimensional dynamic force spectroscopy measurements were carried out above KBr(001) at low temperature in order to investigate the distance dependence of the tip-sample interactions. In particular, the recorded 3D frequency shift data as well as the extracted interaction force and potential energy fields were analysed with respect to influences of tip and/or sample deformations. We found that a postprocessing correction of the observed deformations significantly modifies the magnitude of the extracted interaction forces and also the image contrast.
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