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Applied physics and interfaces

Positively 'negative' friction

Nature Materials volume 11, pages 1004–1005 (2012)Cite this article

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Friction classically decreases with decreasing load. Nanoscale measurements on chemically modified graphite now show an opposite trend related to local deformation, which could serve as a probe for determining the exfoliation energy of layered materials.

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Figure 1: Mechanism of effective 'negative' friction in chemically modified graphite.

References

  1. Deng, Z., Smolyanitsky, A., Li, Q., Feng, X-Q. & Cannara, R. J. Nature Mater. 11, 1032–1037 (2012).

    Article  CAS  Google Scholar 

  2. Mo, Y., Turner, K. T. & Szlufarska, I. Nature 57, 1116–1119 (2009).

    Article  Google Scholar 

  3. Szlufarska, I., Chandrosss, M. & Carpick, R. W. J. Phys. D 41, 123001 (2008).

    Article  Google Scholar 

  4. Gao, J. P. et al. J. Phys. Chem. B 108, 3410–3425 (2004).

    Article  CAS  Google Scholar 

  5. Johnson, K. L. Prof. Inst. Mech. Engrs 196, 363–378 (1982).

    Article  Google Scholar 

  6. Lee, C. et al. Science 328, 76–80 (2010).

    Article  CAS  Google Scholar 

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  1. Kathryn Wahl is in the Chemistry Division of the US Naval Research Laboratory, Washington DC 20375-5342, USA,

    Kathryn J. Wahl

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  1. Kathryn J. Wahl
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Correspondence to Kathryn J. Wahl.

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Wahl, K. Positively 'negative' friction. Nature Mater 11, 1004–1005 (2012). https://doi.org/10.1038/nmat3494

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