Researchers participating in the California NanoSystems Institute (CNSI) at the University of California at Santa Barbara (UCSB) and at Los Angeles (UCLA) have invented a new technique for producing "Ultra High Density Nanowire Lattices and Circuits"--the title of their paper being published expeditiously at 2:00 p.m. March 13 on the "Science Express" website, Science Magazine’s rapid portal for publication of significant research findings to appear subsequently in print in Science.
The method, for which a patent is pending, is akin to intaglio printmaking processes in which printing is done from ink below the surface of the plate. Intaglio processes emboss paper into the plate’s incised lines.
The CNSI nanowires are like the embossed ink on a paper substrate, except that the nanowires are much, much smaller than ink lines. Take, for instance, a grid of crossed nanowires. Each cross represents the element of a simple circuit! The nanowire junction density reported in the "Science Express" article is in excess of 1011 per square centimeter.
Jacquelyn Savani | EurekAlert!
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