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Microstructural Evolution in a CeO2-Gd2O3 System
Ye, Fei1,2; Ou, Ding Rong3; Mori, Toshiyuki4
关键词Transmission Electron Microscopy (Tem) Microstructure Ordering Oxygen Vacancy Cluster Solid Oxide Fuel Cell
刊名MICROSCOPY AND MICROANALYSIS
2012-02-01
DOI10.1017/S1431927611012396
18期:1页:162-170
收录类别SCI
文章类型Article
类目[WOS]Materials Science, Multidisciplinary ; Microscopy
研究领域[WOS]Materials Science ; Microscopy
关键词[WOS]OXIDE IONIC-CONDUCTIVITY ; GADOLINIUM-DOPED CERIA ; SOLID ELECTROLYTES ; CEO2 ; SPECTROSCOPY ; DIFFRACTION ; SCATTERING ; CEO2-Y2O3 ; LA ; SM
英文摘要Microstructural evolution in a CeO2-Gd2O3 system at atomic and nanoscale levels with increasing Gd concentration has been comprehensively investigated by transmission electron microscopy. When the Gd concentration was increased from 10 to 80 at.%, the phase transformation from ceria with fluorite structure to solid solution with C-type structure was not a sudden change but an evolution in the sequence of clusters, domains, and precipitates with C-type structure in the fluorite-structured matrix. Moreover, the ordering of aggregated Gd cations and oxygen vacancies in these microstructural inhomogeneities developed continuously with increasing Gd concentration. This microstructural evolution can be further described based on the development of defect clusters containing Gd cations and oxygen vacancies.
语种英语
WOS记录号WOS:000299757100016
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142920
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Mat Modificat, Dalian 116024, Liaoning, Peoples R China
2.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solar Energy Photovolta Liaoning Prov, Dalian 116024, Liaoning, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Liaoning, Peoples R China
4.Natl Inst Mat Sci, Innovat Ctr Nanomat Sci Environm & Energy, Tsukuba, Ibaraki 3050044, Japan
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Ye, Fei,Ou, Ding Rong,Mori, Toshiyuki. Microstructural Evolution in a CeO2-Gd2O3 System[J]. MICROSCOPY AND MICROANALYSIS,2012,18(1):162-170.
APA Ye, Fei,Ou, Ding Rong,&Mori, Toshiyuki.(2012).Microstructural Evolution in a CeO2-Gd2O3 System.MICROSCOPY AND MICROANALYSIS,18(1),162-170.
MLA Ye, Fei,et al."Microstructural Evolution in a CeO2-Gd2O3 System".MICROSCOPY AND MICROANALYSIS 18.1(2012):162-170.
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