Fig. 1: The illustration of the molecular rolling lubrication of graphite at cryogenic temperature. | Nature Communications

Fig. 1: The illustration of the molecular rolling lubrication of graphite at cryogenic temperature.

From: Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature

Fig. 1

a Schematic of layer-layer sliding and molecular rolling lubrication as well as the structural evolution. b Microstructure of the friction interface at 300 K. c Microstructure of the friction interface at 50 K. d The enlarged view of the formed nanoscroll. e, f TEM images of the axial view of the formed graphite nanoroller. g SEM morphology of the friction interface at 50 K.

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