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September 12, 2005

Nanohelix structure

A previously-unknown zinc oxide nanostructure that resembles the helical configuration of DNA could provide engineers with a new building block for creating nanometer-scale sensors, transducers, resonators and other devices that rely on electromechanical coupling.

Based on a superlattice composed of alternating single-crystal "stripes" just a few nanometers wide, the "nanohelix" structure is part of a family of nanobelts – tiny ribbon-like structures with semiconducting and piezoelectric properties – that were first reported in 2001.

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Posted by thinkingmachine at September 12, 2005 08:01 PM

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