Abstract
The novel Fe/Nb/Ti co-substituted Sr(Co0.8Fe0.1Nb0.1)1−x Ti x O3−δ (x = 0.00, 0.20, 0.40) oxides have been synthesized by the solid-state reaction method. These co-substituted strontium cobaltates possess a cubic perovskite-type structure at room temperature. Structural stability and sintering properties of the samples x = 0.00, 0.20, 0.40 were investigated by X-ray diffraction (XRD), thermogravimetry (TG), and scanning electron microscopy. The combined TG and XRD results demonstrate that the structural and chemical stability of the Fe/Nb/Ti co-substituted Sr(Co0.8Fe0.1Nb0.1)1−x Ti x O3−δ (x = 0.20, 0.40) oxides is improved greatly compared with the sample x = 0.00 and the Ba0.5Sr0.5Co0.8Fe0.2O3−δ oxide.
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This study was partially supported by the “100 Talents Program” of Dalian Institute of Chemical Physics, China, and the Ministry of Education, Science, and Technology of Korea.
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Lu, H., Zhu, L., Kim, J.P. et al. Structural stability and sintering properties of Fe/Nb/Ti co-substituted Sr(Co0.8Fe0.1Nb0.1)1−x Ti x O3−δ (x = 0.00, 0.20, 0.40) oxides. J Mater Sci 47, 2169–2174 (2012). https://doi.org/10.1007/s10853-011-6019-1
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DOI: https://doi.org/10.1007/s10853-011-6019-1