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Nanomaterials Research Corp. (NRC, Longmont, CO) has developed a new manufacturing technology that may soon move out of the lab and into the market. With funding from the Ballistic Missile Defense Organization (BMDO), the company developed a nonlithographic approach to growing high-aspect-ratio nanowire arrays from a variety of metals and semiconductors. With diameters less than 100 nm, these nanowires are formed by depositing materials within the pores of self- organized nonotemplates. Packaged arrays of nanowires have a wide variety of optical, sensing, magnetic, and electronic device applications.
Made by electrochemical oxidation, NRC's nanotemplates are transparent, mechanically robust, and have excellent thermal, chemical, and radiation stability. Beyond their application in nanofabrication, they can be used as membrane material for gas separation and microanalysis systems, as a catalytic combustor for gas microturbines and portable power supplies, and as a precursor for high-aspect-ratio ceramic MEMS systems.
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