Browsing by Author "Krämer, G."

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    Single layer graphene induces load-bearing molecular layering at the hexadecane-steel interface
    (Bristol : Institute of Physics Publishing, 2019) Krämer, G.; Kim, C.; Kim, K.-S.; Bennewitz, R.
    The influence of a single layer graphene on the interface between a polished steel surface and the model lubricant hexadecane is explored by high-resolution force microscopy. Nanometer-scale friction is reduced by a factor of three on graphene compared to the steel substrate, with an ordered layer of hexadecane adsorbed on the graphene. Graphene furthermore induces a molecular ordering in the confined lubricant with an average range of 4-5 layers and with a strongly increased load-bearing capacity compared to the lubricant on the bare steel substrate. © 2019 IOP Publishing Ltd.