Beautiful Nanorings Could Become Nanoscale Sensors

By Roland Piquepaille

Researchers from the Georgia Institute of Technology have created nanorings of single-crystal zinc oxide. Because of the semiconducting and piezoelectric properties of the material, these nanostructures could serve as nanometer-scale sensors, resonators and transducers, according to this article from nanotechweb.org.

Before going further, here is an example of these beautiful zinc-oxide circular nanorings (Credit: Georgia Tech).

A zinc-oxide circular nanoring
"This is the first report on the growth of freestanding, single-crystal, complete nanorings, demonstrating the possibility of synthesizing extreme structures and offering a new nanostructure that was not previously thought possible," Zhong Lin (ZL) Wang told nanotechweb.org. "The growth mechanism is a spontaneous self-coiling process (the

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