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niobium diselenide

UPenn researchers find wrinkle in AFM nanoscale friction mystery

By / April 29, 2010

A group out of University of Pennsylvania’s Department of Mechanical Engineering and Applied Mechanics thinks it knows why, at nanoscales, the friction encountered by, say, an atomic force microscope, increases as the number of layers decrease: The AFM tip pushes material in front into sort of a wrinkle or wave in front, and stretches it…

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