Abstract
A Molecular dynamics simulation was performed to clarify the influence of atomic-scale stick-slip phenomenon on the energy dissipation process in atomic-scale friction. In the simulation, the sliding processes on an well defined Cu{100} surface in <210> direction by a carbon atom slider were investigated with different sliding positions using a model in which the cantilever effect of the atomic force microscope was taken into consideration. As a result, we found that the dissipated mechanical energy thorough the atomic-scale stick-slip phenomenon could be calculated from the stored elastic energy using the amplitudes of stick-slip forces signals. It was also found that the friction coefficient in such a friction process was influenced by the sliding position on the atomic-scale.
