Angappan, S. and Rajalakshmi, A. and Arockia, V. and Berchmans, L.J. and Visuvasam, A. (2010) Aluminum Nitride by Microwave Assisted Synthesis: Effect of Added Ammonium Chloride1. International Journal of Self Propagating High Temperature Synthesis, 19 (3). pp. 214-220. ISSN International Journal of Self Propagating High Temperature Synthesis

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Abstract

Hexagonal aluminum nitride (AlN) crystals were synthesized by microwave method with ammonium chloride used as an additive. Starting mixtures consisted of Al powder, NH4Cl, and urea as a fuel taken in a 1 : 3 : 1 ratio. The microwave oven operated at 630 W, the synthesis time was 10, 30, 60, and 120 min. The results showed that the pure AlN powder with regular and fine grains could be obtained in 30 min. The synthesized powders were characterized by TGA/DTA, XRD, FTIR, UVVIS, SEM, and TEM.

Item Type:	Article
Uncontrolled Keywords:	microwaveassisted synthesis; aluminum nitride; gas solid reactions; ammonium chloride; urea
Subjects:	Electropyrometallurgy
Divisions:	UNSPECIFIED
Depositing User:	ttbdar CECRI
Date Deposited:	20 Jan 2012 14:03
Last Modified:	20 Jan 2012 14:03
URI:	http://cecri.csircentral.net/id/eprint/264

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