Anisotropic surface coupling while sliding on dolomite and calcite crystals
Entity
UAM. Departamento de Física de la Materia CondensadaPublisher
The American Physical SocietyDate
2012-02-06Citation
10.1103/PhysRevB.85.073402
Physycal Review B 85.7 (2012): 073402
ISSN
1098-0121 (print); 1550-235X (online)DOI
10.1103/PhysRevB.85.073402Editor's Version
http://dx.doi.org/10.1103/PhysRevB.85.073402Subjects
FísicaRights
© 2012 American Physical SocietyAbstract
High-resolution friction force microscopy has been performed on the (104) surfaces of dolomite and calcite in deionized water. The two rows of oxygen atoms alternating in a zigzag way on top of both surfaces are resolved with similar contrast while scanning along the [421̄] direction. Along the [010] direction, only one row is resolved, provided that the normal loading is large enough. The direction-dependent interaction between the probing tip and surface atoms is explained by numeric calculations based on the Prandtl-Tomlinson model
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Google Scholar:Miranda Soriano, Rodolfo
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Gnecco, Enrico
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Pina, Carlos M.
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