Welker, Joachim and Giessibl, Franz J.
Revealing the Angular Symmetry of Chemical Bonds by Atomic Force Microscopy.
Science 336 (608), pp. 444-449.
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Other URL: http://www.sciencemag.org/content/336/6080/444.full
We have measured the angular dependence of chemical bonding forces between a carbon monoxide molecule that is adsorbed to a copper surface and the terminal atom of the metallic tip of a combined scanning tunneling microscope and atomic force microscope. We provide tomographic maps of force and current as a function of distance that revealed the emergence of strongly directional chemical bonds as ...
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