Author(s): Davide Mandelli, Wengen Ouyang, Oded Hod, and Michael UrbakhNegative 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…[Phys. Rev. Lett. 122, 076102] Published Thu Feb 21, 2019

Published in: "Physical Review Letters".