Superior temperature‐stable dielectrics for MLCCs based on Bi0.5Na0.5TiO3‐NaNbO3 system modified by CaZrO3

An ultra‐wide temperature stable ceramic system based on (1−x) [0.94(0.75Bi0.5Na0.5TiO3−0.25NaNbO3)−0.06BaTiO3]−xCaZrO3 (CZ100x) is developed for capacitor application in this study. All samples exhibit characteristics of pseudocubic structures in XRD patterns. With CaZrO3 addition, the coupling eff...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2018-08, Vol.101 (8), p.3468-3479
Main Authors: Jia, Wenxu, Hou, Yudong, Zheng, Mupeng, Xu, Yuru, Yu, Xiaole, Zhu, Mankang, Yang, Kuiyong, Cheng, Huarong, Sun, Shuying, Xing, Jie
Format: Article
Language:English
Subjects:
Bismuth titanate
Calcium zirconate
capacitor
Capacitors
Ceramics
Die casting
Dielectric loss
dielectric materials/properties
Dielectric properties
Dielectric strength
Energy storage
Multilayers
Palladium
Silver
Tape casting
ultra‐high temperature ceramics
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Summary:An ultra‐wide temperature stable ceramic system based on (1−x) [0.94(0.75Bi0.5Na0.5TiO3−0.25NaNbO3)−0.06BaTiO3]−xCaZrO3 (CZ100x) is developed for capacitor application in this study. All samples exhibit characteristics of pseudocubic structures in XRD patterns. With CaZrO3 addition, the coupling effect of polar nanoregions (PNRs) is weakening, leading to greatly improved temperature stability of dielectric properties. Among all samples, the most attractive properties are obtained in the composition of CZ10 at
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.15519