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An EXAFS study of the nanocrystalline transformation of ZrO2 : Y2O3(5%)
Qi, ZM; Shi, CS; Wei, YG; Wang, Z; Liu, T; Hu, TD; Zhao, ZY; Li, FL; Liu T(刘涛); Hu TD(胡天斗)
Corresponding AuthorUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China ; Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China ; Capital Normal Univ, Dept Phys, Beijing 100037, Peoples R China
AbstractNanostructured zirconia doped with 5% yttria was prepared by a co-precipitate method. The structures were characterized by x-ray diffraction and extended x-ray absorption fine structure spectroscopy. The sample calcined at 300degreesC had an amorphous phase and a local structure like cubic zirconia. It crystallized into tetragonal nanocrystalline zirconia at 500degreesC and the monoclinic phase appeared at 900degreesC. The Y atoms merged into the zirconia network at 300degreesC, with the oxygen vacancies located around the Zr atoms. The coordination number of the cation-cation reduction is due to the large amount of cations near the surface with fewer nearest neighbours when the grain size decreases.
Subject AreaPhysics
Indexed ByADS
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000173436600013
ADS Bibcode2001JPCM...1311503Q
ADS URLhttps://ui.adsabs.harvard.edu/abs/2001JPCM...1311503Q
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2001JPCM...1311503Q/citations
Citation statistics
Cited Times:9 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Qi, ZM,Shi, CS,Wei, YG,et al. An EXAFS study of the nanocrystalline transformation of ZrO2 : Y2O3(5%)[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2001,13(50):11503-11509.
APA Qi, ZM.,Shi, CS.,Wei, YG.,Wang, Z.,Liu, T.,...&胡天斗.(2001).An EXAFS study of the nanocrystalline transformation of ZrO2 : Y2O3(5%).JOURNAL OF PHYSICS-CONDENSED MATTER,13(50),11503-11509.
MLA Qi, ZM,et al."An EXAFS study of the nanocrystalline transformation of ZrO2 : Y2O3(5%)".JOURNAL OF PHYSICS-CONDENSED MATTER 13.50(2001):11503-11509.
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