Scientists turn single molecule clockwise or counterclockwise on demand

Credit: (Image by Argonne National Laboratory.)

Scanning tunneling microscopy (STM) image of a rotating europium (Eu) complex on a gold sheet. The dark spot in disc indicates the single Eu atom.

« Scientists turn single molecule clockwise or counterclockwise on demand

Credit: (Image by Argonne National Laboratory.)

Controlled rotation of Eu complex on gold sheet initiated by electrical energy from STM tip, top left. Europium complex before and after rotation by 120 degrees (b,c). Dashed circle indicates negatively charged molecule. Also see video of rotating complex.

« Scientists turn single molecule clockwise or counterclockwise on demand

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