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Friction

, Volume 3, Issue 2, pp 161–169 | Cite as

Microscale study of frictional properties of graphene in ultra high vacuum

  • Diego Marchetto
  • Tim Feser
  • Martin DienwiebelEmail author
Open Access
Research Article

Abstract

We report on the frictional properties of epitaxial graphene on SiC in ultra high vacuum. Measurements have been performed using a microtribometer in the load regime of 0.5 to 1 mN. We observed that a ruby sphere sliding against graphene results in very low friction coefficients ranging from 0.02 to 0.05. The friction and also the stability of the graphene layer is higher than that under similar conditions in ambient conditions. The friction shows a load dependence. Finally it was found that graphene masks the frictional anisotropy which was observed on the SiC surface.

Keywords

graphene SiC friction vacuum microtribology anisotropy 

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Copyright information

© The author(s) 2015

Authors and Affiliations

  • Diego Marchetto
    • 1
  • Tim Feser
    • 2
  • Martin Dienwiebel
    • 1
    • 2
    Email author
  1. 1.Fraunhofer-Institute for Mechanics of MaterialsMicrotribology Center μTCFreiburgGermany
  2. 2.Karlsruhe Institute of TechnologyInstitute for Applied Materials-Computational Materials Science IAM-CMSKarlsruheGermany

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