Scanning tunneling microscope (STM) images of a reaction: Two iodobenzene molecules appear as bumps on a copper surface (1). They dissociate after a burst of electrons from the STM (2). The microscope tip then drags iodine away (3), pulls one carbon ring to other (4), and forges a biphenyl molecule (5).
Credit: Hla, et al.
Found in: Physics
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