Study on the stick-slip phenomenon on a cleaved surface of the Muscovite mica using an atomic force/lateral force microscope

  • S. Fujisawa
    Department of Physics, Faculty of Science, Hiroshima University, Higashi-Hiroshima 724, Japan
  • Y. Sugawara
    Department of Physics, Faculty of Science, Hiroshima University, Higashi-Hiroshima 724, Japan
  • S. Morita
    Department of Physics, Faculty of Science, Hiroshima University, Higashi-Hiroshima 724, Japan
  • S. Ito
    Research Department, Olympus Optical Co., Ltd., Hachioji 192, Japan
  • S. Mishima
    Research Department, Olympus Optical Co., Ltd., Hachioji 192, Japan
  • T. Okada
    Research Department, Olympus Optical Co., Ltd., Hachioji 192, Japan

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<jats:p>Study was performed on the stick-slip phenomenon between the Muscovite mica and a cantilever tip. An atomic force/lateral force microscope with an optical lever deflection method was used, which detects the deflection and the torsion of the cantilever simultaneously. We observed the square-wave behavior across the scan direction, but the well-known sawtooth behavior due to the stick-slip motion of the tip along the scan direction. It is found that the square-wave and sawtooth behaviors were synchronized with each other. To explain these behaviors, we propose two-dimensional stick-slip model. In this model, the periodicity of the stick point is the same of that of the lattice structure of the mica surface, so that the tip apex takes a zig–zag walk along the scan.</jats:p>

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