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November 6th, 2003
Molecular electronics flips out
Can individual molecules really function as electronic switches? Experiments have provided tantalizing clues, but it can be hard to know what is going on at the molecular level. Two researchers have now shown that, in theory, a single, small organic molecule can be switched between two states with different electrical conductivity when wedged between a metal surface and the tip of a scanning tunnelling microscope.
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