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Temperature-dependence of the lattice conductivity of mixed calcia/yttria-stabilized zirconia
Alternative TitleMater. Chem. Phys.
Gong, JH; Li, Y; Tang, ZL; Xie, YS; Zhang, ZT
2002-08-15
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
Volume76Issue:2Pages:212-216
AbstractElectrical conductivity of mixed calcia/yttria-stabilized zirconia (CYZ) was measured by the complex impedance method in the temperature range from 600 to 1 100 K and compared with those of yttria-stabilized zirconia (YSZ) and calcia-stabilized zirconia, respectively. Non-linear Arrhenius behavior was observed for all the three samples examined. It was shown that in both high- and low-temperature ranges, the introduction of CaO as the third component into the system ZrO2-Y2O3 would result in increases in both the activation energy for conduction, E, and the pre-exponential factor, sigma(0). Using the experimentally determined values of E and sigma(0), it was predicted that the conductivity of CYZ would be higher than that of YSZ when temperature increases above 1350 K. This phenomenon can be attributed to the fact that CYZ has a larger sigma(0) value mainly due to its higher oxygen vacancies concentration compared with YSZ. (C) 2002 Elsevier Science B.V. All rights reserved.; Electrical conductivity of mixed calcia/yttria-stabilized zirconia (CYZ) was measured by the complex impedance method in the temperature range from 600 to 1 100 K and compared with those of yttria-stabilized zirconia (YSZ) and calcia-stabilized zirconia, respectively. Non-linear Arrhenius behavior was observed for all the three samples examined. It was shown that in both high- and low-temperature ranges, the introduction of CaO as the third component into the system ZrO2-Y2O3 would result in increases in both the activation energy for conduction, E, and the pre-exponential factor, sigma(0). Using the experimentally determined values of E and sigma(0), it was predicted that the conductivity of CYZ would be higher than that of YSZ when temperature increases above 1350 K. This phenomenon can be attributed to the fact that CYZ has a larger sigma(0) value mainly due to its higher oxygen vacancies concentration compared with YSZ. (C) 2002 Elsevier Science B.V. All rights reserved.
KeywordLattice Conductivity Calcia/yttria-stabilized Zirconia Non-linear Arrhenius Behavior
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordIONIC-CONDUCTIVITY ; ELECTRICAL-CONDUCTIVITY ; SOLID ELECTROLYTES ; OXIDE ELECTROLYTES ; SINGLE-CRYSTALS ; YTTRIA ; SYSTEM ; ZRO2
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000176919900015
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5597
Collection研究所(批量导入)
Affiliation1.Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Gong, JH,Li, Y,Tang, ZL,et al. Temperature-dependence of the lattice conductivity of mixed calcia/yttria-stabilized zirconia[J]. MATERIALS CHEMISTRY AND PHYSICS,2002,76(2):212-216.
APA Gong, JH,Li, Y,Tang, ZL,Xie, YS,&Zhang, ZT.(2002).Temperature-dependence of the lattice conductivity of mixed calcia/yttria-stabilized zirconia.MATERIALS CHEMISTRY AND PHYSICS,76(2),212-216.
MLA Gong, JH,et al."Temperature-dependence of the lattice conductivity of mixed calcia/yttria-stabilized zirconia".MATERIALS CHEMISTRY AND PHYSICS 76.2(2002):212-216.
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