The Grain Boundary Conduction Property of Highly Dense and Nanostructured Yttrium-Doped Zirconia

被引：15
|
作者：
Park, Hee Jung [1 ]
Choa, Yong Ho [2 ]
机构：
[1] Samsung Adv Inst Technol, Adv Mat Lab, Yongin 446712, South Korea
[2] Hanyang Univ, Div Mat & Chem, Ansan 426791, South Korea
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2010年 / 13卷 / 05期
关键词：
ceramics; grain boundary diffusion; ionic conductivity; nanostructured materials; solid electrolytes; yttrium compounds; zirconium compounds; ELECTRICAL-PROPERTIES; IONIC-CONDUCTIVITY; MICROSTRUCTURE; ELECTROLYTE; PERFORMANCE; ANODE;
D O I：
10.1149/1.3338992
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We investigated oxygen ionic conduction in fully dense, transparent polycrystalline yttrium-doped zirconia with an average grain size of similar to 45 nm. We observed that the oxygen ionic conductivity across single grain boundaries in the nanostructured ceramic is 1 order of magnitude greater than that of the corresponding microstructured ceramic. Such an enhancement in the grain boundary is attributed to the high density of the sample.
引用
收藏
页码：K49 / K52
页数：4
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