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Synthesis and structural characterization of perovskite YFeO 3 by thermal decomposition of a cyano complex precursor, Y[Fe(CN) 6 ]·4H 2 O

Synthesis and structural characterization of perovskite YFeO 3 by thermal decomposition of a cyano complex precursor, Y[Fe(CN) 6 ]·4H 2 O,10.1007/s109

Synthesis and structural characterization of perovskite YFeO 3 by thermal decomposition of a cyano complex precursor, Y[Fe(CN) 6 ]·4H 2 O   (Citations: 2)
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The thermal decomposition of Y[Fe(CN)6]·4H2O has been studied in order to investigate the formation of the multi-ferroic oxide YFeO3. The starting material (Y[Fe(CN)6]·4H2O) and the decomposition products were characterized by IR spectroscopy, thermal analysis, X-ray powder diffraction (PXRD), and scanning electron microscopy. Metastable YFeO3 with hexagonal structure, space group P6 3 /mmc, was obtained by thermal decomposition of Y[Fe(CN)6]·4H2O at 600 °C in air. Orthorhombic YFeO3 was obtained by the same method at T ≥ 800 °C in air. The crystal structure of orthorhombic YFeO3 was refined by Rietveld analysis using PXRD data. We found that it was slightly deficient in Y3+, which is in agreement with the small amount of Y2O3 found as impurity in the sample. The formula of the orthorhombic phase is Y0.986FeO3.
Journal: Journal of Thermal Analysis and Calorimetry - J THERM ANAL CALORIM , vol. 103, no. 3, pp. 889-896, 2011
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