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首页> 外文期刊>Solid State Communications >Predominant factors affecting the dielectric and piezoelectric properties of bismuth-containing complex perovskite solid solution
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Predominant factors affecting the dielectric and piezoelectric properties of bismuth-containing complex perovskite solid solution

机译：影响含铋复合钙钛矿固溶体介电和压电性能的主要因素

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摘要

To study the factors affecting the dielectric and piezoelectric properties of bismuth-containing complex perovskites, the solid solution (1-x)Pb(Mg1/3Nb2/3)O-3-xBi(Mg2/3Nb1/3)O-3 was prepared by the solid state reaction method and its dielectric and piezoelectric properties were investigated. It is found that (1) at room temperature, the nonlinearity of the DE-loop for Pb(Mg1/3Nb2/3)O-3 is completely suppressed at a rather low x (< 5%); (2) dielectric constant versus temperature curves deviate from the Curie-Weiss law at a temperature T-d much higher than the dielectric constant peak temperature T-m and T-m - T-d decreases considerably with increasing x; and (3) frequency dispersion Delta T-m = T-m (1 MHz) - T-m (10 kHz) increases with increasing x. Possible factors responsible for the variation of the dielectric and piezoelectric properties with x are discussed. (c) 2005 Elsevier Ltd. All rights reserved.
机译：为了研究影响含铋复合钙钛矿的介电和压电性能的因素，制备了固溶体（1-x）Pb（Mg1 / 3Nb2 / 3）O-3-xBi（Mg2 / 3Nb1 / 3）O-3固溶体固相反应法研究了它的介电和压电性能。发现（1）在室温下，Pb（Mg1 / 3Nb2 / 3）O-3的DE环的非线性在相当低的x（<5％）时被完全抑制； （2）在温度T-d远高于介电常数峰值温度T-m时，介电常数与温度的曲线偏离居里-魏斯定律，并且随着x的增加，T-m-T-d显着降低； （3）频散Delta T-m = T-m（1 MHz）-T-m（10 kHz）随着x的增加而增加。讨论了介电常数和压电性质随x变化的可能因素。 （c）2005 Elsevier Ltd.保留所有权利。

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