Pb(Mg/sub 1/3/V/sub 2/3/)O/sub 3/-PbZrO/sub 3/陶瓷的介电性能

Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002. Pub Date : 2002-05-28 DOI:10.1109/ISAF.2002.1195919

Y. Yamashita, Y. Hosono

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引用次数: 0

摘要

研究了新型钙钛矿化合物Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 1-x/Zr/sub x/]O/sub 3/ (x=0、0.25、0.5和0.75)陶瓷在氧气氛烧结条件下的烧结和介电性能。Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 1-x/Zr/sub x/]O/sub 3/陶瓷体系可以在低于950℃的温度下烧制。在Pb(Mg/sub 1/3/V/sub 2/3/)O/sub 3/和Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.75/Zr/sub 0.25/]O/sub 3/陶瓷中未发现钙钛矿相。以Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/组成制备了纯钙钛矿相陶瓷。Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/样品在100 KHz时的介电常数和耗散系数分别为187和2.2%。Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/陶瓷的居里温度(Tc)为202/spl℃，低于纯PbZrO/sub 3/陶瓷的居里温度。

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Dielectric properties of Pb(Mg/sub 1/3/V/sub 2/3/)O/sub 3/-PbZrO/sub 3/ ceramics

Sintering and dielectric properties of a new perovskite compounds, Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 1-x/Zr/sub x/]O/sub 3/ (x=0, 0.25, 0.5 and 0.75) ceramics, under an oxygen atmosphere sintering condition have been studied. The Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 1-x/Zr/sub x/]O/sub 3/ ceramics system can be fired at lower than 950/spl deg/C. Perovskite phases are not confirmed in the Pb(Mg/sub 1/3/V/sub 2/3/)O/sub 3/ and Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.75/Zr/sub 0.25/]O/sub 3/ ceramics. Pure perovskite phase ceramics are obtained with a Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/ composition. Dielectric constant and dissipation factors of the Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/ sample at 100 KHz are 187 and 2.2% at 25/spl deg/C. Curie temperature (Tc) of the Pb[(Mg/sub 1/3/V/sub 2/3/)/sub 0.25/Zr/sub 0.75/]O/sub 3/ ceramics is 202/spl deg/C which is lower than that of pure PbZrO/sub 3/.

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Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.

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