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Site-specific friction force spectroscopy

Meyer, E. and Luthi, R. and Howald, L. and Bammerlin, M. and Guggisberg, M. and Guntherodt, H. J.. (1996) Site-specific friction force spectroscopy. Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement, and phenomena, Vol. 14, H. 2. pp. 1285-1288.

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Official URL: http://edoc.unibas.ch/dok/A5839478

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Abstract

The two-dimensional histogram technique is used to determine the loading dependence of friction on terrace and step sites of NaCl(001). An extended adhesion model is used to analyze the data. Both Hertz and JKR theory are incorporated for the elastic deformation. Depending on the model, sheaf strengths of 100-190 MPa are found at the terrace region. Increased shear strength values of 500-1800 MPa are found at the step edges that are interpreted in terms of the increased energy barriers at the steps, known as Schwoebel barriers. (C) 1996 American Vacuum Society.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Meyer, Ernst
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Vacuum Society
ISSN:1071-1023
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:14 Sep 2012 07:18
Deposited On:14 Sep 2012 06:43

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