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New look for molecular transistors Theoretical physicists in the US have proposed a new way to make a single-molecule transistor. David Cardamone, Charles Stafford and Sumit Mazumdar at the University of Arizona say the quantum interference effect transistor could be a realistic way to extend existing transistor technology down to the nanoscale (arXiv.org/abs/cond-mat/0503540). The device modulates the flow of current through a hydrocarbon ring by switching quantum interference "on" and "off".
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