Tiny Transistors

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University of Arizona scientists have come up with what they call the Quantum Interference Effect Transistor, or QuIET. QuIET is a molecular transistor. QuIET utilizes a hydrocarbon ring that controls the current. If three nodes are introduced, the current that is run between two leads can be suppressed, i.e. turned off. It can also be easily turned on. This is the basic operation of the transistor. Previous studies have produced nano-transistors, but only in super cooled environments. QuIET can run at room temperature. It will still be a few years before production of these nano-transistors can take place. These scientists have, however, paved the way for incredibly small, reproducible computers and machines.

Photo: Courtesy of the National Research Council of Canada

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