Interaction-induced atomic displacements revealed by drift-corrected dynamic force spectroscopy

Kawai, Shigeki and Glatzel, Thilo and Koch, Sascha and Baratoff, Alexis and Meyer, Ernst. (2011) Interaction-induced atomic displacements revealed by drift-corrected dynamic force spectroscopy. Physical Review B, Vol. 83, H. 3 , 035421.

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Official URL: http://edoc.unibas.ch/dok/A6001656

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The three-dimensional force field above an NaCl(001) surface was measured on a fine grid by small amplitude dynamic force spectroscopy at room temperature. After careful drift corrections, maps in nominally equivalent symmetry planes as well as in sections parallel to the surface reveal distance-dependent shifts of characteristic atomic-sized features. These shifts reflect asymmetries of the probing tip apex but are mainly due to atomic displacements induced by short-range forces. In addition, weak decaying force oscillations with a period close to the interlayer spacing are detected at distances where no atomic-scale variations are expected. Stronger site-dependent changes appear in the interaction-induced energy dissipation.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Meyer, Ernst
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:11 Oct 2012 15:31
Deposited On:11 Oct 2012 15:21

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