Negative Friction Coefficients in Superlubric Graphite-Hexagonal Boron Nitride Heterojunctions

Negative friction coefficients, where friction is reduced upon increasing normal load, are predicted for superlubric graphite-hexagonal boron nitride heterojunctions. The origin of this counterintuitive behavior lies in the load-induced suppression of the moiré superstructure out-of-plane distortion...

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Veröffentlicht in:	Physical review letters 2019-02, Vol.122 (7), p.076102-076102, Article 076102
Hauptverfasser:	Mandelli, Davide, Ouyang, Wengen, Hod, Oded, Urbakh, Michael
Format:	Artikel
Sprache:	eng
Schlagworte:	Boron nitride Coefficient of friction Friction Friction reduction Graphite Heterojunctions Superstructures Variation
Online-Zugang:	Volltext
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