Controlled vertical manipulation of single CO molecules with the scanning tunneling microscope: A route to chemical contrast

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Abstract

A reliable procedure for controlled vertical transfer of single CO molecules between a Cu(111) surface and a scanning tunneling microscope tip and vice versa is demonstrated. It is shown that with a tip having a single CO molecule at its apex, chemical contrast is achieved allowing distinction of adsorbed CO molecules and oxgen atoms, which look very similar to the bare metal tip.

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Bartels et al. (Mon,) studied this question.

synapsesocial.com/papers/6a11ee8707103abb49acfec2 https://doi.org/https://doi.org/10.1063/1.119503

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