Perovskite powders of La0.3Sr0.7CoO3–δwere prepared by the thermal decomposition of precursor complexes derived from nitrate solutions using ethylenediaminetetraacetic acid (EDTA) as a complexing agent. The calcination temperature is 920 °C. Powders thus obtained have a low carbon contamination. Dense ceramics with a relative density of about 96% have been prepared after sintering at 1150 °C.
R. H. E. van Doorn, H. Kruidhof, A. Nijmeijer, L. Winnubst and A. J. Burggraaf, J. Mater. Chem., 1998, 8, 2109 DOI: 10.1039/A800500A
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