Why orthotropic friction is important on graphene and graphene fluoride thin films

Sergei F. Lyuksyutov; Liudmyla Barabanova; Jeffrey A. McCausland

doi:10.1117/12.2531767

6 December 2019 Why orthotropic friction is important on graphene and graphene fluoride thin films

Sergei F. Lyuksyutov, Liudmyla Barabanova, Jeffrey A. McCausland

Proceedings Volume 11371, International Workshop on Thin Films for Electronics, Electro-Optics, Energy, and Sensors 2019; 1137104 (2019) https://doi.org/10.1117/12.2531767
Event: International Workshop on Thin Films for Electronics, Electro-Optics, Energy and Sensors, 2019, Reykjavik, Iceland

Abstract

We experimentally demonstrate that graphene and graphene fluoride manifest different coefficients of sliding friction at the edges (graphene fluoride from 5.8×10^-3 to 4.9×10^-1; graphene from 8.2×10^-3 to 3.3×10^-1) of a sheet sample versus the interior (graphene fluoride from 5.1×10^-3 to 1.5×10^-1; graphene from 2.5×10^-2 to 2.3×10^-1) under ambient humidity conditions (~ 40-60%). Atomic force microscopy (AFM) was used to prove the friction coefficients show distinct directional dependence between graphene and graphene fluoride.

Citation Download Citation

Sergei F. Lyuksyutov, Liudmyla Barabanova, and Jeffrey A. McCausland "Why orthotropic friction is important on graphene and graphene fluoride thin films", Proc. SPIE 11371, International Workshop on Thin Films for Electronics, Electro-Optics, Energy, and Sensors 2019, 1137104 (6 December 2019); https://doi.org/10.1117/12.2531767

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KEYWORDS

Graphene

Atomic force microscopy

Chemical vapor deposition

Carbon

Thin films

Capillaries

Surface roughness

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