Conductivity and dielectric properties of sol-gel derived porous zirconia

被引：8
|
作者：
Kumar, C. [1 ]
Manohar, P.
机构：
[1] SRM Univ, SRM Inst Sci & Technol, Dept Phys, Madras 603203, Tamil Nadu, India
[2] Anna Univ, Madras Inst Technol, Div Sci & Human, Madras 600025, Tamil Nadu, India
来源：
IONICS | 2007年 / 13卷 / 05期
关键词：
conductivity and dielectric properties; sol-gel; porous zirconia;
D O I：
10.1007/s11581-007-0119-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The 8-mol percentage Y2O3-stabilized Porous Zirconia was prepared using sol-gel method. Zirconium oxalate gel was prepared by the addition of appropriate amount of oxalic acid solution into the I M aqueous solution of zirconium-oxy chloride. A cubic phase zirconia powder was obtained by calcination and milling of the zirconium oxalate gel. Crystallization temperature was found about 450 degrees C from the Differential thermal analysis. The phase analysis by X-ray diffraction shows the presence of cubic phase. Pellets sintered at 1,350 degrees C were highly porous, and the electrical conductivity was found with lower value due to the porosity, and the hardness was about 8.0 GPa.
引用
收藏
页码：333 / 335
页数：3
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