Nano Archive

Oxide nanopowders production by pulsed electron beam

Sokovnin, C.K. and Rhee, V.G. and Il'ves, Y.A. and Kotov, S.Y. (2007) Oxide nanopowders production by pulsed electron beam. Nanotechnologies in Russia, Volume 2 (9-10). pp. 96-101.

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Refers to methods for production of nanopowders of different materials. A method for production of nanopowders, including evaporation of a target by a pulsed electron beam, condensation of the vapor of the material in a low-pressure gas, and deposition of nanopowders on a cold disk. A device for realization of the method consists of a pulsed electron beam source, a beam guidance and focusing system, a gas pressure differential system, an evaporation chamber, a target, and a powder collecting system, which is a cooled rotating disk with a scraper. By this method, it is possible to produce nanopowders of the oxide with the characteristic size of 3-5 nm and nanopowder agglomerates with the characteristic size of 20-200 nm having the specific surface of up to 180 m2/g at the production rate of up to 12 g/h and the specific energy consumption of less than 120 W•h/g.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
ID Code:2132
Deposited By:Prof. Alexey Ivanov
Deposited On:19 Dec 2008 13:14
Last Modified:06 Feb 2009 15:00

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