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February 26th, 2004
Seamless circular 'nanorings' could be nanoscale sensors
An article to be published in the February 27 issue of the journal Science introduces "nanorings" as the newest member of a growing family of nanometer-scale structures based on single crystals of zinc oxide, a semiconducting and piezoelectric material that has important technological applications. The rings, complete circles formed by a spontaneous self-coiling process, could serve as nanometer-scale sensors, resonators and transducers - and provide a unique test bed for studying piezoelectric effects and other phenomena at the small scale.
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