Journal
CHEMICAL COMMUNICATIONS
Volume 50, Issue 33, Pages 4368-4370Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc00979g
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- ARC [DP120102708, FT120100313]
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Atomic force microscopy measurements reveal that superlubricity can be switched'' on and off in situ when an ionic liquid is used to lubricate the silica-graphite interface. Applying a potential to the graphite surface changes the ion composition of the boundary layer and thus the lubricity. At positive potentials, when the interfacial ion layer is anion rich, friction falls to ultra-low levels.
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