The Force Needed to Move an Atom on a Surface

  title={The Force Needed to Move an Atom on a Surface},
  author={M. Ternes and C. Lutz and C. Hirjibehedin and F. Giessibl and A. Heinrich},
  pages={1066 - 1069}
  • M. Ternes, C. Lutz, +2 authors A. Heinrich
  • Published 2008
  • Chemistry, Medicine
  • Science
  • Manipulation of individual atoms and molecules by scanning probe microscopy offers the ability of controlled assembly at the single-atom scale. However, the driving forces behind atomic manipulation have not yet been measured. We used an atomic force microscope to measure the vertical and lateral forces exerted on individual adsorbed atoms or molecules by the probe tip. We found that the force that it takes to move an atom depends strongly on the adsorbate and the surface. Our results indicate… CONTINUE READING
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