Phase evolution of a barium tin 1,2-ethanediolato complex to barium stannate during thermal decomposition |
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| Authors: | Roberto Kö ferstein,Jö rg Woltersdorf |
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| Affiliation: | a Fachbereich Chemie, Martin-Luther-Universität Halle-Wittenberg, Kurt-Mothes Str. 2, D-06120 Halle, Germany
b Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle, Germany |
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| Abstract: | The thermal behaviour of [Ba(C2H6O2)4][Sn(C2H4O2)3] used as a BaSnO3 precursor, and its phase evolution during thermal decomposition are described. The initially formed transient barium tin oxycarbonate phase disintegrates into BaCO3 and SnO2, reacting subsequently to BaSnO3. The existence of the intermediate oxycarbonate phase is evidenced by Fourier transformed infrared (FT-IR), X-ray powder diffraction (XRD) and electron energy loss spectroscopy (EELS (ELNES)) investigations. |
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| Keywords: | Barium stannate 1,2-Ethanediolato complex Oxycarbonate phase Thermal decomposition |
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