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首页> 外文期刊>Inorganic materials >Dielectric Properties of (1 - x)KNbO_3 · xBiZn_(2/3)Nb_(1/3)O_3 (x ≤ 0.4) Perovskite Solid Solutions
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Dielectric Properties of (1 - x)KNbO_3 · xBiZn_(2/3)Nb_(1/3)O_3 (x ≤ 0.4) Perovskite Solid Solutions

机译：（1-x）KNbO_3·xBiZn_（2/3）Nb_（1/3）O_3（x≤0.4）钙钛矿固溶体的介电性能

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摘要

(1 -x)KNbO_3 · xBiZn_(2/3)Nb_(1/3)O_3 ceramic materials have been prepared by solid-state reactions. The materials with x < 0.5 have been shown to be phase-pure perovskite solid solutions. Their average lattice parameter increases linearly with x. Below 300 K, the solid solutions with 0.1 < x ≤ 0.4 are ferroelectric relaxors. M"-M' diagrams, representing the relationship between the real and imaginary parts of the complex electric modulus, have been used to evaluate the Curie temperature of the solid solutions and the temperature of their transition to the paraelectric phase. The Arrhenius plots of dc conductivity for the solid solutions show breaks corresponding to their phase transitions. Below 400 K, the dc conductivity is low, and its contribution to the dielectric response of the solid solutions is insignificant.
机译：（1-x）KNbO_3·xBiZn_（2/3）Nb_（1/3）O_3陶瓷材料已经通过固相反应制备。 x <0.5的材料已显示为纯钙钛矿固溶体。它们的平均晶格参数随x线性增加。在300 K以下，0.1

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