Homogeneous precipitation synthesis and electrical properties of scandia stabilized zirconia

被引：0
|
作者：
Xu, G [1 ]
Zhang, YW [1 ]
Liao, CS [1 ]
Yan, CH [1 ]
机构：
[1] Peking Univ, PKU HKU Joint Lab Rare Earth Mat & Bioinorgan Chem, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2002年 / 121卷 / 01期
关键词：
nanostructures; chemical synthesis; scanning and transmission electron microscopy;
D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Homogeneous precipitation employing urea was utilized to prepare ultrafine and weakly-agglomerated 8 mol% scandia-stabilized zirconia (8ScSZ) powders. Their crystal structure, particle and electrical properties were investigated by scanning electron microscopy, high resolution transmission electron microscopy, X-ray diffraction, thermo-gravimetry and differential thermal analysis, BET surface area analysis, and impedance spectroscopy, respectively. 8ScSZ polycrystals in a pure cubic phase were obtained after sintering at a low temperature of 600 degreesC. Elevating sintering temperature can increase the oxide ion conductivity, especially the grain boundary conductivity. (C) 2001 Elsevier Science Ltd. All rights reserved.
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页码：45 / 49
页数：5
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