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Frictional Anisotropy of Graphene and Graphene Based Materials

Barabanova, Liudmyla
http://rave.ohiolink.edu/etdc/view?acc_num=akron1461941753

Abstract Details

2016, Master of Science, University of Akron, Physics.
Graphene and graphene based materials have great potential for their use in new technological applications. Here, we investigate the tribological properties of graphene, graphite, and graphene fluoride. We extensively studied these materials experimentally by using Atomic Force Microscopy (AFM) and theoretically by performing Molecular Dynamics Simulations (MDS). Experimental studies were based on rotational techniques to determine the directional dependence of the orthotropic sliding friction using Trace-Minus-Retrace (TMR) analysis of the height and lateral profiles. The MDS were focused on differences in sliding friction on the interior and at the edges of graphene with a fixed temperature for the 3Å and 4Å tip – surface separations. By performing both methods, experimental measurements, and atomistic simulations, the friction coefficients of graphene, graphene fluoride, and graphite were found to be in the range of 10-3 to 10-1. We found that atomic tip – surface interactions have an important effect on friction.
Alper Buldum, Dr. (Advisor)
Sergei Lyuksyutov, Dr. (Advisor)
Robert Mallik, Dr. (Committee Member)
53 p.
Materials Science; Molecular Physics; Nanoscience; Nanotechnology; Physical Chemistry; Physics
Friction anisotropy, orthotropic friction, graphene, graphene fluoride, graphite, graphene based materials, tribology, friction coefficients, tip-surface interactions, experiment, AFM, atomistic simulation, MD, rotational technique, directional dependance

Recommended Citations

Citations

  • Barabanova, L. (2016). Frictional Anisotropy of Graphene and Graphene Based Materials [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1461941753

    APA Style (7th edition)

  • Barabanova, Liudmyla. Frictional Anisotropy of Graphene and Graphene Based Materials. 2016. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1461941753.

    MLA Style (8th edition)

  • Barabanova, Liudmyla. "Frictional Anisotropy of Graphene and Graphene Based Materials." Master's thesis, University of Akron, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1461941753

    Chicago Manual of Style (17th edition)

akron1461941753
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© 2016, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.