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University of Arizona physicists have discovered how to turn single molecules into working transistors

 

It's a breakthrough needed to make the next-generation of remarkably tiny, powerful computers that nanotechnologists dream of.

They have applied for a patent on their device, called Quantum Interference Effect Transistor, nicknamed "QuIET." The American Chemical Society publication, "Nano Letters," has published the researchers' article about it online at Nano Letters. The research is planned as the cover feature in the print edition in November.

A transistor is a device that switches electrical current on and off, just like a valve turns water on and off in a garden hose. Industry now uses transistors as small as 65 nanometers. The UA physicists propose making transistors as small as a single nanometer, or one billionth of a meter.

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