Eutectoid decompositions in Ce-containing ABO 3 perovskites: Part I, the case of cooperative growth in CeAlO 3

Oxidation of perovskite CeAlO results in the eutectoid transformation to CeO and Al O . This phase transformation was recorded using thermal gravimetric analysis, X-ray diffraction, and scanning transmission electron microscopy. Lamellar features in the resultant microstructure indicates cooperative...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2024-04, Vol.107 (4), p.2765-2775
Main Authors: Johnston-Peck, Aaron C, Maier, Russell A
Format: Article
Language:English
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Summary:Oxidation of perovskite CeAlO results in the eutectoid transformation to CeO and Al O . This phase transformation was recorded using thermal gravimetric analysis, X-ray diffraction, and scanning transmission electron microscopy. Lamellar features in the resultant microstructure indicates cooperative growth. Processing conditions dictate the lamellae sizes, which can be as small as a few nanometers, and coarsen into large domains with additional high temperature annealing.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.19595