| Synthesis of nanocrystalline Ce0.8Sm0.2O1.9 by citrate gel method | |
| Guan, Xiangfeng ; Wang, Yanan ; Zhou, Heping ; Zhou, Lihua | |
| 2010-05-10 ; 2010-05-10 | |
| 会议名称 | HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 ; 5th China International Conference on High-Performance Ceramics (CICC-5) ; Changsha, PEOPLES R CHINA ; Web of Science |
| 关键词 | doped ceria ceramics citrate gel electron microscopy SAMARIA-DOPED CERIA ELECTROLYTE CONDUCTIVITY Materials Science, Ceramics Materials Science, Composites |
| 中文摘要 | A citrate gel method was applied to synthesize Ce0.8SM0.2O1.9 powders by using cerium and samarium nitrates as raw materials and citric acid as complexing agent. It was shown that Ce0.8Sm0.2O1.9 phase was formed when the decomposition of the dried get completed at 500 degrees C. The crystallite size of the synthesized powders calcined at 500 degrees C for 2 h is 5-10 nm. The powders can be easily sintered in air to yield over 97 % relative density at 1250 degrees C, which is significantly lower than sintering temperature of over 1500 degrees C required by the doped ceria powders prepared via conventional ceramic techniques. |
| 会议录出版者 | TRANS TECH PUBLICATIONS LTD ; STAFA-ZURICH ; LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND |
| 语种 | 英语 ; 英语 |
| 内容类型 | 会议论文 |
| 源URL | [http://hdl.handle.net/123456789/18497]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | Guan, Xiangfeng,Wang, Yanan,Zhou, Heping,et al. Synthesis of nanocrystalline Ce0.8Sm0.2O1.9 by citrate gel method[C]. 见:HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2, 5th China International Conference on High-Performance Ceramics (CICC-5), Changsha, PEOPLES R CHINA, Web of Science. |
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