期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 3, 页码 874-879出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm01978j
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资金
- Advantage West Midlands (AWM)
- European Regional Development Fund (ERDF)
In this paper we report the successful incorporation of phosphate and sulfate groups into the ionic conductor, Ba2In2O5, with the samples analysed through a combination of X-ray diffraction, NMR, TGA, Raman spectroscopy and conductivity measurements. The results show that such oxyanion incorporation leads to a conversion from an ordered brownmillerite-type structure to a disordered perovskite-type, and hence increases the conductivity at temperatures <800 degrees C. In wet atmospheres, there is evidence for a significant enhancement of the conductivity through a protonic contribution.
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