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Activation energy for conduction in Y2O3-stabilized zirconia
Alternative TitleJ. Inorg. Mater.
Li, Y; Gong, JH; Xie, YS; Tang, ZL; Chen, YF; Zhang, ZT
2002-07-01
Source PublicationJOURNAL OF INORGANIC MATERIALS
ISSN1000-324X
Volume17Issue:4Pages:811-816
AbstractThe ac conductivity spectra were measured in the temperature range from 313 to 473K for a Y2O3-stabilized ZrO2 (YSZ). Then the dc conductivity was deduced and its temperature dependence analyzed. It was shown that, at low temperatures, the activation energy for conduction in YSZ increases with increasing temperature. This experimental phenomenon is rather different with those observed previously in the high temperature range in which the activation energy was found to decrease with increasing temperature. Based on the analyses of the mechanisms for disassociation and migration of oxygen vacancies in the materials, a reasonable explanation for the temperature dependence of the activation energy for conduction in YSZ was proposed.; The ac conductivity spectra were measured in the temperature range from 313 to 473K for a Y2O3-stabilized ZrO2 (YSZ). Then the dc conductivity was deduced and its temperature dependence analyzed. It was shown that, at low temperatures, the activation energy for conduction in YSZ increases with increasing temperature. This experimental phenomenon is rather different with those observed previously in the high temperature range in which the activation energy was found to decrease with increasing temperature. Based on the analyses of the mechanisms for disassociation and migration of oxygen vacancies in the materials, a reasonable explanation for the temperature dependence of the activation energy for conduction in YSZ was proposed.
KeywordIonic Conductivity Activation Energy For Conduction Defect Association Zro2-based Solid Electrolytes
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
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Indexed BySCI
Language英语
WOS KeywordYTTRIA-STABILIZED ZIRCONIA ; TEMPERATURE IONIC-CONDUCTIVITY ; SINGLE-CRYSTALS ; AC CONDUCTIVITY
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000177309800028
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5621
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
2.Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Li, Y,Gong, JH,Xie, YS,et al. Activation energy for conduction in Y2O3-stabilized zirconia[J]. JOURNAL OF INORGANIC MATERIALS,2002,17(4):811-816.
APA Li, Y,Gong, JH,Xie, YS,Tang, ZL,Chen, YF,&Zhang, ZT.(2002).Activation energy for conduction in Y2O3-stabilized zirconia.JOURNAL OF INORGANIC MATERIALS,17(4),811-816.
MLA Li, Y,et al."Activation energy for conduction in Y2O3-stabilized zirconia".JOURNAL OF INORGANIC MATERIALS 17.4(2002):811-816.
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Y_2O_3稳定ZrO_2材料的电导活化(399KB) 限制开放CC BY-NC-SAApplication Full Text
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