Effect of Cobalt Additions on the Microstructure and Properties of Sodium Bismuth Titanate Ceramics

被引：0
|
作者：
Kaleva, G. M. [1 ]
Politova, E. D. [1 ]
Mosunov, A., V [2 ]
机构：
[1] Russian Acad Sci, Semenov Fed Res Ctr Chem Phys, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
来源：
INORGANIC MATERIALS | 2021年 / 57卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
sodium bismuth titanate; ceramics; perovskite structure; dielectric properties; PHASE-TRANSITIONS; TEMPERATURE;
D O I：
10.1134/S0020168521050034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single-phase (Na0.5Bi0.5)(Ti1 -xCox)O-3 (x = 0-0.1, increment = 0.02) ceramic samples have been prepared by solid-state reactions, and their structure, microstructure, and dielectric properties have been studied. In all of the synthesized samples, a perovskite phase with a pseudocubic unit cell has been identified. Partial substitutions of cobalt cations for titanium cations increase the unit cell volume of the samples. We have studied the dielectric properties of the ceramics. The increased room temperature dielectric permittivity of the samples can be interpreted as evidence that the acceptor doping performed in this study has an advantageous effect on the piezoelectric properties of the sodium bismuth titanate ceramics.
引用
收藏
页码：541 / 546
页数：6
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