| XPS Studies on Rare Earth Oxide LSCO／YSZ Electrodes |
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| 引用本文： | 丁铁柱,李健,其其格,季秉厚,刘健,张常在.XPS Studies on Rare Earth Oxide LSCO／YSZ Electrodes[J].中国稀土学报(英文版),2003,21(4):453-457. |
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| 作者姓名： | 丁铁柱 李健 其其格 季秉厚 刘健 张常在 |
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| 作者单位： | DepartmentofPhysics,InnerMongoliaUniversity,Hohhot010021,China |
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| 基金项目： | ProjectsupportedbytheInnerMongoliaNaturalScienceFoundationofChina |
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| 摘 要： | The X-ray diffraction spectra and X-my photoelectron spectroscopy were measured for Sr-doped Lal-xSrx CoO3 materials with perovskite structure prepared by the solid-state reaction method. The influence of heat-treatment tempera-ture on the average crystal size of Lal-xSrx CoO3 was studied. The surface chemical states of Lal-xSrxCoO3 cathodes with different Sr-doped content were discussed. The experimental results show that average crystal size of Lal-xSrxCoO3 under the condition of heat-treatment in the range of 900- 1200℃ is larger than that at other temperatures, which is of benefit to forming porous electrodes. When La is replaced by Sr gradually, the oxygen vacancy concentration increases. It is of benefit to enhancing the transport property of oxygen ion.
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| 关 键 词： | LSCO／YSZ 稀土氧化物 XPS 锶 掺杂 |
XPS Studies on Rare Earth Oxide LSCO/YSZ Electrodes |
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| Ding Tiezhu ,Li Jian,Qi Qige,Ji Binghuo,Liu Jian,Zhang Changzai.XPS Studies on Rare Earth Oxide LSCO/YSZ Electrodes[J].Journal of Rare Earths,2003,21(4):453-457. |
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| Authors: | Ding Tiezhu Li Jian Qi Qige Ji Binghuo Liu Jian Zhang Changzai |
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| Affiliation: | Ding Tiezhu *,Li Jian,Qi Qige,Ji Binghuo,Liu Jian,Zhang Changzai |
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| Abstract: | The X-ray diffraction spectra and X-ray photoelectron spectroscopy were measured for Sr-doped La1-xSrx CoO3 materials with perovskite structure prepared by the solid-state reaction method. The influence of heat-treatment temperature on the average crystal size of La1-xSrx CoO3 was studied. The surface chemical states of La1-xSrxCoO3 cathodes with different Sr-doped content were discussed. The experimental results show that average crystal size of La1-xSrxCoO3 under the condition of heat-treatment in the range of 900～1200 ℃ is larger than that at other temperatures, which is of benefit to forming porous electrodes. When La is replaced by Sr gradually, the oxygen vacancy concentration increases. It is of benefit to enhancing the transport property of oxygen ion. |
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| Keywords: | inorganic metallic materials XPS spectra La 1- x Sr x CoO3 average crystal size oxygen vacancy rare earths |
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