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Jul 22, 2020

US scientists create ‘friction-free’ material

Posted by in categories: nanotechnology, particle physics

Scientists at the US Department of Energy’s Argonne National Laboratory have found a way to use diamonds and graphene to create a new material combination that demonstrates so-called superlubricity.

Led by nanoscientist Ani Sumant of Argonne’s Center for Nanoscale Materials (CNM) and Argonne Distinguished Fellow Ali Erdemir of Argonne’s Energy Systems Division, the Argonne team combined diamond nanoparticles, small patches of graphene, and a diamond-like carbon material to create superlubricity, a highly-desirable property in which friction drops to near zero.

According to Erdemir, as the graphene patches and diamond particles rub up against a large diamond-like carbon surface, the graphene rolls itself around the diamond particle, creating something that looks like a ball bearing on the nanoscopic level.

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