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Defect clustering and local ordering in rare earth co-doped ceria
Ou, Ding Rong1,2; Ye, Fei3; Mori, Toshiyuki2
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
2011
DOI10.1039/c0cp02174a
Volume13Issue:20Pages:9554-9560
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordSOLID OXIDE FUEL ; OXYGEN-ION CONDUCTIVITY ; ELECTRICAL-PROPERTIES ; ANION TRANSPORT ; ELECTROLYTES ; SIMULATION ; MICROSTRUCTURES ; EXPLANATION ; DOPANTS ; RADIUS
AbstractDefect clustering and local ordering in rare earth co-doped ceria were studied by computer simulation and electron diffraction, respectively. The simulation of electrically neutral defect clusters containing up to four oxygen vacancies revealed that the permutation of different dopant cations in a co-doped cluster could have a significant influence on the binding energy of the cluster. Moreover, the growth of larger clusters (number of oxygen vacancies >= 3) could be restrained by a co-doping effect. The selected area electron diffraction study indicated that the restrained growth of larger clusters will further lead to a suppression of the local ordering of oxygen vacancies in co-doped ceria. The correlation between defect clustering, local ordering of oxygen vacancies and ionic conduction in co-doped ceria was discussed.
Language英语
WOS IDWOS:000290224900058
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142489
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Liaoning, Peoples R China
2.Natl Inst Mat Sci, Innovat Ctr Nanomat Sci Environm & Energy, Tsukuba, Ibaraki 3050044, Japan
3.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Mat Modificat, Dalian 116024, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Ou, Ding Rong,Ye, Fei,Mori, Toshiyuki. Defect clustering and local ordering in rare earth co-doped ceria[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2011,13(20):9554-9560.
APA Ou, Ding Rong,Ye, Fei,&Mori, Toshiyuki.(2011).Defect clustering and local ordering in rare earth co-doped ceria.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,13(20),9554-9560.
MLA Ou, Ding Rong,et al."Defect clustering and local ordering in rare earth co-doped ceria".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 13.20(2011):9554-9560.
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