Contact: Jacek Waluk
Institute of Physical Chemistry of the Polish Academy of Sciences
Caption: Two protons (red) in a porphycene molecule deposited onto the surface of a perfect copper crystal (brown) can change their positions at nitrogen atoms (blue) depending on the position of a single copper atom (yellow).
Credit: L. Grill / University of Graz)
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Related news release: 2-proton bit controlled by a single copper atom