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Atomic Friction Investigations on Ordered Superstructures
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 443511
Author(s) Steiner, Pascal; Gnecco, Enrico; Filleter, Tobin; Gosvami, Nitya Nand; Maier, Sabine; Meyer, Ernst; Bennewitz, Roland
Author(s) at UniBasel Meyer, Ernst
Year 2010
Title Atomic Friction Investigations on Ordered Superstructures
Journal Tribology letters
Volume 39
Number 3
Pages / Article-Number 321-327
Keywords Nanotribology, Friction mechanisms, Stick-slip, AFM
Abstract We review recent friction measurements on ordered superstructures performed by atomic force microscopy. In particular, we consider ultrathin KBr films on NaCl(001) and Cu(001) surfaces, single and bilayer graphene on SiC(0001), and the herringbone reconstruction of Au(111). Atomically resolved friction images of these systems show periodic features spanning across several unit cells. Although the physical mechanisms responsible for the formation of these superstructures are quite different, the experimental results can be interpreted within the same phenomenological framework. A comparison between experiments and modeling shows that, in the cases of KBr films on NaCl(001) and of graphene films, the tip-surface interaction is well described by a potential with the periodicity of the substrate which is modulated or, respectively, superimposed with a potential with the symmetry of the superstructure.
Publisher Baltzer Science Publ.
ISSN/ISBN 1023-8883
edoc-URL http://edoc.unibas.ch/dok/A5841214
Full Text on edoc No
Digital Object Identifier DOI 10.1007/s11249-010-9677-2
ISI-Number WOS:000281260200011
Document type (ISI) ArticleProceedings Paper
 
   

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