Macroscale superlubricity enabled by graphene nanoscroll formation

Author:

Berman Diana1,Deshmukh Sanket A.1,Sankaranarayanan Subramanian K. R. S.1,Erdemir Ali2,Sumant Anirudha V.1

Affiliation:

1. Center for Nanoscale Materials, 9700 South Cass Avenue, Argonne National Laboratory, Argonne, IL 60439, USA.

2. Energy Systems Division, 9700 South Cass Avenue, Argonne National Laboratory, Argonne, IL 60439, USA.

Abstract

Slip sliding away Many applications would benefit from ultralow friction conditions to minimize wear on the moving parts such as in hard drives or engines. On the very small scale, ultralow friction has been observed with graphite as a lubricant. Berman et al. achieved superlubricity using graphene in combination with crystalline diamond nanoparticles and diamondlike carbon (see the Perspective by Hone and Carpick). Simulations showed that sliding of the graphene patches around the tiny nanodiamond particles led to nanoscrolls with reduced contact area that slide easily against the amorphous diamondlike carbon surface. Science , this issue p. 1118 ; see also p. 1087

Funder

U.S. Department of Energy

U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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