Abstract
We discuss recent studies of nano-size mechanics from the stand points of nano-fabrication and nano-machine. First, a nano-mechanical simulator developed by us is explained. Theoretical simulations of noncontact atomic force microscopy images by taking thermal fluctuation into consideration are in very good agreement with experimental results. Next, a new nano-size super-lubricated system that is not subject to friction, “C60 molecular bearing,” is described. This sandwiched structure which confines a C60 monolayer between graphite plates, exhibits superlubrication with zero dynamical frictional forces. Observed results and a theoretical concept of, “step rotation model” to interpret the mechanism of super lubrication, are explained by using a picture of “single molecular bearing.” This research is the first proposal as an artificial nano-machine using fullerene, which can be called the smallest bearing in the world.
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