2006/04/26: SciDaily: Water And Nanoelectronics Will Mix To Create Ultra-dense
Memory Storage Devices, Researchers Say
A team of experimentalists and theorists at the University of Pennsylvania, Drexel
University and Harvard University has proposed a new and surprisingly effective
means of stabilizing and controlling ferroelectricity in nanostructures: terminating
their surfaces with fragments of water. Ferroelectrics are technologically important
"smart" materials for many applications because they have local dipoles, which can
switch up and down to encode and store information. The team's work is reported
in the April issue of Nano Letters.
"It is astonishing to see that a single wire of even a few atoms across can act as a
stable and switchable dipole memory element," Jonathan Spanier, assistant
professor of materials science and engineering at Drexel, said.
Though a scheme for the dense arrangement and addressing of these nanowires
remains to be developed, such an approach would enable a storage density of
more than 100,000 terabits per cubic centimeter.
"Assembly of Japanese bicycle require great peace of mind."
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