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Carbon nanotubes

Not that slippery

Friction measurements on carbon nanotubes show a remarkable anisotropy, the origin of which can be traced to the activation of specific deformation modes of energy dissipation.

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Figure 1
Figure 2: Simulated cross-sectional view showing nanotube deformation during the sliding of the AFM tip perpendicular to the nanotube axis.

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Perez, R. Not that slippery. Nature Mater 8, 857–858 (2009). https://doi.org/10.1038/nmat2553x

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