Ba0.5Sr0.5Co0.8Fe0.2O3-δ for Oxygen Separation Membranes

Ba0.5Sr0.5Co0.8Fe0.2O3-δ for Oxygen Separation Membranes
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氧分离膜用Ba0.5Sr0.5Co0.8Fe0.2O3-δ

DOI:
10.1149/1.3495854
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发表时间:
2010
影响因子:
8.6
通讯作者:
E. Ivers
E. Ivers
中科院分区:
工程技术1区
文献类型:
--
作者:
P. Müller;L. Dieterle;E. Müller;H. Störmer;D. Gerthsen;C. Niedrig;Simon Taufall;S. Wagner;E. Ivers

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Ba0的晶体结构和化学成分。 5Sr0。 5Co0。 8Fe0。研究了在 700 C 至 1000 C 之间热处理后的 2O3-δ 块状样品和粉末。X 射线衍射 (XRD) 以及透射电子显微镜 (TEM) 与能量色散 X 射线光谱 (EDXS) 相结合,用于分析单个颗粒的特性。除了立方钙钛矿相之外,在低于 900°C 的温度下还发现了六方相和其他尚未明确识别的相。
The crystal structure and chemical composition of Ba0. 5Sr0. 5Co0. 8Fe0. 2O3-δ bulk samples and powders were studied after heat treatments between 700 C and 1000 C. X-ray diffractometry (XRD) and in addition transmission electron microscopy (TEM) combined with energy dispersive X-ray spectroscopy (EDXS) was applied to analyze the properties of individual grains. Besides the cubic perovskite phase a hexagonal phase and an additional, not yet clearly identified phase was found at temperatures below 900 C.