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Synthesis of the metastable α-Al1.8Fe0.2O3 solid solution from precursors prepared by combustion

Cordier, Anne and Peigney, Alain and De Grave, Eddy and Flahaut, Emmanuel and Laurent, Christophe Synthesis of the metastable α-Al1.8Fe0.2O3 solid solution from precursors prepared by combustion. (2006) Journal of the European Ceramic Society, 26 (15). 3099-3111. ISSN 0955-2219

(Document in English)

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Official URL: http://dx.doi.org/10.1016/j.jeurceramsoc.2005.08.014


The aim of the paper is to synthesise α-Al1.8Fe0.2O3 solid solutions from precursors prepared by the nitrate/fuel combustion synthesis route, using either citric acid or urea, or a mixture of both as the fuel, and different fuel/nitrates ratios. In a first part, global reactions are proposed for each synthesis, which are useful to explain the differences in powder volume, morphology, crystallisation state and specific surface area reported in the second part of the study. In a third part, the powders were further calcined at 1100 °C in order to obtain the corundum form. A combination of Mössbauer spectroscopy, XRD and specific surface area measurements revealed that only the powders prepared with Φe = 2 are the desired monophased α-Al1.8Fe0.2O3 solid solutions.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Journal of the European Ceramic Society website : http://www.sciencedirect.com/science/journal/09552219
HAL Id:hal-03596330
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Universiteit Gent - UGENT (BELGIUM)
Laboratory name:
Deposited On:26 May 2009 13:52

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