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Synthesis of LaCrO₃ and La_0.9Ca_0.1CrO₃ by Modified Glycine Nitrate Process

A. Bonet, N. Travitzky, P. Greil

Journal of Ceramic Science and Technology, Vol. 5, No. 2 (2014), pp. 93-100

DOI: 10.4416/JCST2013-00024

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Abstract

LaCrO3 and La0.9Ca0.1CrO3 ceramics were synthesized in the modified glycine nitrate process (MGNP). The effect of the equivalence ratio Φe of precursor mixtures on the combustion reaction was investigated by means of DSC and TG-FTIR analyses. It was found that for Φe > 0.65 the combustion reaction proceeds in a self-propagating one-step process, resulting in the formation of well-crystallized single-phase powders. Further glycine addition (Φe

Keywords

Lanthanum chromite, modified glycine nitrate process, combustion synthesis

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