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Contact: Andy Freeberg
afreeberg@slac.stanford.edu
650-926-4359
DOE/SLAC National Accelerator Laboratory
Caption: Precisely positioned carbon monoxide molecules (black) guide electrons (yellow-orange) into a nearly perfect honeycomb pattern called molecular graphene. Electrons in this structure have graphene-like properties; for example, unlike ordinary electrons, they have no mass and travel as if they are moving at the speed of light in a vacuum. To make this structure, scientists from Stanford and SLAC National Accelerator Laboratory used a scanning tunneling microscope to move individual carbon monoxide molecules into a hexagonal pattern on a perfectly smooth copper surface. The carbon monoxide repels the free-flowing electrons on the copper surface, forcing them into a graphene-like honeycomb pattern.
Credit: Manoharan Lab, Stanford/SLAC
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