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	(ZrO2)(0.85)(REO1.5)(0.15) (RE = Sc, Y) solid solutions prepared via three Pechini-type gel routes: 2 - sintering and electrical properties
	Zhang, YW ; Li, A ; Yan, ZG ; Xu, G ; Liao, CS ; Yan, CH
	2003
关键词	Sc- or Y-doped zirconia gel syntheses sintering process electrical properties STABILIZED ZIRCONIA CONDUCTIVITY POWDERS
英文摘要	Dense (ZrO2)(0.85)(REO1.5)(0.15) (RE = Sc, Y) specimens have been obtained from the nanoparticulate powders prepared by three Pechini-type gel routes, viz. poly(vinyl alcohol) (PVA) containing-process (route I), poly(ethylene glycol) and formic acid-containing process (route II), and in situ polymerizable complex method (route III). During sintering over 1000-1400degreesC, (ZrO2)(0.85)(ScO1.5)(0.15) samples prepared by routes II and III, and (ZrO2)(0.85)(YO1.5)(0.15) samples prepared by the three routes retain pure cubic fluorite structure, however, a monoclinic phase segregation takes place for the Sc-doped zirconia prepared by route I. Various gel routes are shown to display significant impact on sinterability of the green body, crystallinity and particle size uniformity of the sintered body, and the ionic conductivity of the dense specimens. The specimens prepared from route III exhibit superior sinterability and ionic conductance to those prepared from routes I and II. (C) 2003 Elsevier Science (USA). All rights reserved.; Chemistry, Inorganic & Nuclear; Chemistry, Physical; SCI(E); EI; CPCI-S(ISTP); 10
语种	英语
DOI标识	10.1016/S0022-4596(02)00228-1
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/256079]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Zhang, YW,Li, A,Yan, ZG,et al. (ZrO2)(0.85)(REO1.5)(0.15) (RE = Sc, Y) solid solutions prepared via three Pechini-type gel routes: 2 - sintering and electrical properties. 2003-01-01.

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