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Synthesis of nanocrystalline alpha-Al2O3 by ultrasonic flame pyrolysis

Varatharajan, K and Dash, S and Arunkumar, A and Nithya, R and Tyagi, AK and Raj, Baldev (2003) Synthesis of nanocrystalline alpha-Al2O3 by ultrasonic flame pyrolysis. In: Materials Research Bulletin, 38 (4). pp. 577-583.

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Official URL: http://dx.doi.org/10.1016/S0025-5408(03)00026-6


Nanocrystalline alpha-alumina was synthesized in an indigenously built ultrasonic flame pyrolysis (UFP) setup. This paper describes the technical aspects of the apparatus and particle formation in the flame. Ultrasonically atomized aluminium nitrate dissolved in methanol-water mixture was pyrolyzed in an oxy-propane flame for yielding nanocrystalline alpha-alumina. The formation of nanophase alumina was confirmed by powder XRD analysis. Scanning electron microscopy (SEM) analysis was carried out to study particulate morphology. (C) 2003 Elsevier Science Ltd. All rights reserved.

Item Type: Journal Article
Publication: Materials Research Bulletin
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Nanostructures and oxides;Vapor deposition;Electron microscopy;X-ray diffraction
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 24 Aug 2011 06:34
Last Modified: 24 Aug 2011 06:34
URI: http://eprints.iisc.ac.in/id/eprint/40256

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