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Friday, November 07, 2003

"NANOTECH: Nanosprings breakthrough shrinks size of sensors"
Quantum dots, nanowires and other nanoscale structures populate the frontier of semiconductor research, collectively aimed at downsizing chip components to the molecular scale. So far piezoelectric materials have been used to fabricate nanowires and nanobelts (ring-shaped nanowires) for experimental nanoscale lasers, field-effect transistors, gas sensors, cantilevers and resonators. But none of these have been "single crystal" and therefore only partially exploit the piezoelectric phenomenon, according to one research scientist, who now claims to have fabricated the world's first single-crystal nanosprings that not only outperform predecessors but also promise to enable single-molecule sensors.
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Text: http://www.eetimes.com/story/OEG20031106S0025