Influence of the size effect on the electrical conductivity of partially stabilized zirconia

被引：0
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作者：
V. I. Barbashov
Yu. A. Komysa
G. Ya. Akimov
V. M. Timchenko
机构：
[1] National Academy of Sciences of Ukraine,Galkin Donetsk Physico
来源：
Physics of the Solid State | 2008年 / 50卷
关键词：
66.30.Dn; 82.47.Ed;
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摘要：
The volume component of the electrical conductivity of bulk ceramics of the partially stabilized zirconia (ZrO2)0.94(Y2O3)0.05(Al2O3)0.01 is found to increase by a factor of 1.7 with the grain size decreasing from 600–800 to 200–300 nm. The observed effect is explained by the action of the pressure produced by surface tension forces, which shifts equilibrium toward the point of the polymorphic transition to the cubic phase.
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