The influence of nanoscale topography and chemical composition on microfriction has been studied at different humidities. Structured surfaces exhibit lower friction than smooth ones. Among the structured surfaces, the crater-like morphologies show lower friction than pyramid-like morphologies. No significant differences in friction were observed when varying the roughness of the crater-like structures. On pyramid-like morphologies, friction increases with decreasing roughness. Additional hydrophobization of surface nanostructures results in only small reductions in friction.
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The authors thank V. Spassov (CSEM) and Y. Keles (CSEM) for preparing the silicon oxide films and fluorocarbon films, respectively.
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Gerbig, Y., Ahmed, SU., Chetwynd, D. et al. Effect of nanoscale topography and chemical composition of surfaces on their microfrictional behaviour. Tribol Lett 21, 161–168 (2006). https://doi.org/10.1007/s11249-006-9034-7
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DOI: https://doi.org/10.1007/s11249-006-9034-7