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Title: Chemically induced disorder order transition in magnesium aluminium spinel
Authors: Barpanda, P
Behera, S K
Gupta, P K
Pratihar, S K
Bhattacharyya, S
Keywords: B. X-ray methods
B. Spectroscopy
Chemical preparation
Issue Date: 2005
Publisher: Elsevier
Citation: Journal of the European Ceramic Society, (In Press)
Abstract: Magnesium aluminate spinel (MgAl2O4) spinel powder was synthesized by nitrate citrate auto-ignition route taking different ratios of nitrate and citrate solution. The ‘as prepared’ black ash was calcined at different temperatures in the range 650–1250 °C for 9 h. Phase evolution of calcined powder samples as studied by X-ray diffraction indicates the presence of disorder at lower calcination temperatures, which transforms to an ordered structure at higher calcination temperatures. Finally, Raman spectroscopy confirms the order–disorder phase transition in spinel sample
Description: Copyright for this article belongs to Elsevier Science Ltd DOI:
Appears in Collections:Journal Articles

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