Nature Communications (Sep 2021)

Superlubric polycrystalline graphene interfaces

  • Xiang Gao,
  • Wengen Ouyang,
  • Michael Urbakh,
  • Oded Hod

DOI
https://doi.org/10.1038/s41467-021-25750-w
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 9

Abstract

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Achieving ultra-low friction at macroscopic scales is highly desirable. In this work molecular dynamics simulations of graphitic contacts incorporating corrugated grain boundaries reveal an unusual non-monotonic variation of friction with normal load and temperature due to dynamic buckling effects.