Thermal analysis applied in the crystallization study of SrSnO3

SrSnO 3 was synthesized by the polymeric precursor method with elimination of carbon in oxygen atmosphere at 250 °C for 24 h. The powder precursors were characterized by TG/DTA and high temperature X-ray diffraction (HTXRD). After calcination at 500, 600 and 700 °C for 2 h, samples were evaluated by...

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Published inJournal of thermal analysis and calorimetry Vol. 97; no. 1; pp. 179 - 183
Main Authors Alves, Mary C. F., Souza, Soraia C., Silva, Márcia R. S., Paris, Elaine C., Lima, S. J. G., Gomes, R. M., Longo, E., de Souza, A. G., Garcia dos Santos, Iêda M.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.07.2009
Subjects
Analytical Chemistry
Calorimetry
Carbon
Chemistry
Chemistry and Materials Science
Combustion
Crystallization
Inorganic Chemistry
Measurement Science and Instrumentation
Physical Chemistry
Polyhedrons
Polymer Sciences
Precursors
Thermal analysis
X-rays
Perovskite
SrSnO
Pechini
Stannate
Polymeric precursor method
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Summary:SrSnO 3 was synthesized by the polymeric precursor method with elimination of carbon in oxygen atmosphere at 250 °C for 24 h. The powder precursors were characterized by TG/DTA and high temperature X-ray diffraction (HTXRD). After calcination at 500, 600 and 700 °C for 2 h, samples were evaluated by X-ray diffraction (XRD), infrared spectroscopy (IR) and Rietveld refinement of the XRD patterns for samples calcined at 900, 1,000 and 1,100 °C. During thermal treatment of the powder precursor ester combustion was followed by carbonate decomposition and perovskite crystallization. No phase transition was observed as usually presented in literature for SrSnO 3 that had only a rearrangement of SnO 6 polyhedra.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-009-0242-x