Unraveling the defect chemistry and proton uptake of yttrium-doped barium zirconate
A review of the experimental literature documenting water uptake in yttrium-doped barium zirconate in combination with new results obtained here show that much of the observed scatter can be explained in terms of barium deficiency, which furthermore induces a lowering in cell volume. In addition, th...
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| Veröffentlicht in: | Scripta materialia 2011-07, Vol.65 (2), p.102-107 |
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| container_title | Scripta materialia |
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| creator | Yamazaki, Yoshihiro Yang, Chih-Kai Haile, Sossina M. |
| description | A review of the experimental literature documenting water uptake in yttrium-doped barium zirconate in combination with new results obtained here show that much of the observed scatter can be explained in terms of barium deficiency, which furthermore induces a lowering in cell volume. In addition, through a comparison of weight changes under regular and heavy water vapor pressure, strong evidence is found for bulk oxidation of the oxide by water simultaneous with hydration. |
| doi_str_mv | 10.1016/j.scriptamat.2010.12.034 |
| format | Article |
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| ispartof | Scripta materialia, 2011-07, Vol.65 (2), p.102-107 |
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| source | Elsevier ScienceDirect |
| subjects | Barium zirconate Barium zirconates Defect chemistry Defects Fuel cells Heavy water Hydration Oxides Proton-conducting oxides Scatter Uptakes Vapor pressure Water uptake |
| title | Unraveling the defect chemistry and proton uptake of yttrium-doped barium zirconate |
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