Effect of CaF2 on the electrical properties of yttria-stabilized zirconia

Effect of CaF2 on the electrical properties of yttria-stabilized zirconia

The effects of CaF2 addition on the phase composition and electrical properties of 8 mol% yttria-stabilised zirconia (YSZ) were studied. Three samples were prepared, one doped with 10 mol% CaF2 and sintered at 1473 K, and the other two doped with 20 mol% CaF2 and sintered at 1473 and 1673 K, respect...

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Veröffentlicht in:Materials letters 2004-01, Vol.58 (3-4), p.394-396
Hauptverfasser: Zhao, Fang, Li, Ying, Gong, Jianghong, Liu, Mingshuai, Chen, Yunfa
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container_title Materials letters
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creator Zhao, Fang
Li, Ying
Gong, Jianghong
Liu, Mingshuai
Chen, Yunfa
description The effects of CaF2 addition on the phase composition and electrical properties of 8 mol% yttria-stabilised zirconia (YSZ) were studied. Three samples were prepared, one doped with 10 mol% CaF2 and sintered at 1473 K, and the other two doped with 20 mol% CaF2 and sintered at 1473 and 1673 K, respectively. Single phase fluorite-type solid solution with cubic symmetry was seen for each sample. However, the F ion exists only in the sample doped with 20 mol% CaF2 and sintered at 1273 K. Electrical measurements showed that addition of CaF2 may enhance the ionic conductivity of the YSZ. 10 refs.
doi_str_mv 10.1016/S0167-577X(03)00509-3
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title Effect of CaF2 on the electrical properties of yttria-stabilized zirconia
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