Heat treatment-induced compositional and structural changes in the preparation of CuCrAlO4 and CuFeAlO4

The formation of the spinel oxide compounds CuCrAlO 4 and CuFeAlO 4 has been studied at the nanolevel using thermal analysis, X-ray diffraction, high-resolution elemental microscopy, and differential dissolution. The results demonstrate that, in the case of the synthesis procedure used in this study...

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Bibliographic Details
Published in:Inorganic materials 2016-12, Vol.52 (12), p.1259-1265
Main Authors: Simentsova, I. I., Zaikovskii, V. I., Dovlitova, L. S., Shtertser, N. V., Plyasova, L. M.
Format: Article
Language:English
Subjects:
Chemical composition
Chemical synthesis
Chemistry
Chemistry and Materials Science
Heat treatment
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Lattice parameters
Materials Science
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Summary:The formation of the spinel oxide compounds CuCrAlO 4 and CuFeAlO 4 has been studied at the nanolevel using thermal analysis, X-ray diffraction, high-resolution elemental microscopy, and differential dissolution. The results demonstrate that, in the case of the synthesis procedure used in this study, spinel structures are formed by solid-state reactions. We have studied the dynamics of changes in the chemical and phase compositions, lattice parameters, structure, and morphology of spinel particles at temperatures of 600 and 900°C. Our findings are of practical interest in adjusting conditions for the formation of mixed oxide compounds with the spinel structure.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168516120116