Dependence of Grain-Boundary Resistivity on Grain-Boundary Density in Yttria-Stabilized Zirconia |
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| Authors: | MASARU MIYAYAMA HIROAKI YANAGIDA |
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| Affiliation: | Department of Industrial Chemistry, Faculty of Engineering, University of Tokyo, 7–3–1 Hongo, Bunkyo-ku, Tokyo 113, Japan |
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| Abstract: | The dependence of grain-boundary resistivity and resistance per square centimeter of grain-boundary surface on grain-boundary density (D) in yttria-stabilized zirconia was investigated using reported data. The grain-boundary resistivity increased with increasing D in the high-D region but was independent of D in the low-D region. These results were interpreted in terms of intrinsic effects such as lattice irregularity and extrinsic effects such as impurity segregation. |
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