Nanotribology of carbon based thin films: the influence of film structure and surface morphology

The tribological behavior of carbon based thin films is strongly influenced by their chemical composition, polycrystalline structure and surface morphology. We present friction measurements on laser deposited amorphous carbon and carbon nitride (CNchi) thin films using atomic force microscopy. We studied the friction behavior of these films in relation with their structure and surface morphology resulting from the applied deposition parameters. We found high nanoscopic friction for amorphous carbon thin films, medium friction for CN chi and very low friction for graphite. Finally we discuss our findings in terms of the microscopic mechanisms of energy dissipation underlying the observed friction behavior. (C) 2001 Elsevier Science B.V. All rights reserved.


Published in:
Surface Science, 477, 1, 25-34
Year:
2001
ISSN:
0039-6028
ISBN:
0039-6028
Keywords:
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 Record created 2009-04-14, last modified 2018-03-17

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