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首页> 外文期刊>Crystallography reports >Specific Features of the Structure and Properties of High-Temperature Oxide Materials Based on Bismuth Sodium Titanate
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Specific Features of the Structure and Properties of High-Temperature Oxide Materials Based on Bismuth Sodium Titanate

机译：基于钛酸铋的高温氧化物材料的结构与性能的具体特征

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Single-phase ceramic samples from the region of morphotropic phase boundary in the (1 - x)(Na0.5Bi0.5)TiO3 - xBaTiO(3) and (1 - y)[(Na0.5Bi0.5)TiO3 - xBaTiO(3)] - yBi(Mg0.5Ti0.5)O-3 systems, modified by low-melting LiF and 0.6NaCl-0.4LiF additives, have been prepared by solid-state synthesis. The effect of additives on the phase formation, structural parameters, and dielectric and ferroelectric properties of the ceramics has been studied. A decrease in the ceramic sintering temperature is found. A slight increase in the unit-cell volume upon modification of the ceramics under study by lithium fluoride and 0.6NaCl-0.4LiF additive is revealed. First-order ferroelectric phase transitions near 700-800 K have been observed. The prospects for improving the piezoelectric properties of modified ceramic samples are proved.
机译：来自（1 - X）（Na0.5bi0.5）TiO3 - Xbatio（3）和（1 - Y）[（Na0.5bi0.5）TiO3 - Xbatio（ 3） - 通过固态合成制备了通过低熔点LIF和0.6NACL-0.4LIF添加剂改性的YBI（Mg0.5Ti0.5）O-3系统。 研究了添加剂对陶瓷的相形成，结构参数和介电和铁电性能的影响。 发现陶瓷烧结温度的降低。 揭示了在通过锂氟化锂和0.6nAcl-0.4LIF添加剂的研究中改变陶瓷后的单位细胞体积的轻微增加。 已经观察到近700-800 k附近的一阶铁的转换。 证明了改善改性陶瓷样品压电性能的前景。

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