Simulations of nanoscale sharp tips sliding on a salt surface predict vanishing friction at temperatures close to the melting temperature, as the tip skates on a layer of liquefied salt. This insight opens the way to applications in MEMS, NEMS and auto/aerospace engines.
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Meyer, E., Gnecco, E. Skating on hot surfaces. Nature Mater 6, 180–181 (2007). https://doi.org/10.1038/nmat1854
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DOI: https://doi.org/10.1038/nmat1854
