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钛酸铋钠基铁电陶瓷的热释电性能研究进展
投稿时间:2022-09-16  修订日期:2022-10-10  点此下载全文
引用本文:何爽,郭少波,姚春华,王根水.钛酸铋钠基铁电陶瓷的热释电性能研究进展[J].红外,2022,43(12):1~6
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作者单位E-mail
何爽 中国科学院上海硅酸盐研究所 heshuang3641@163.com 
郭少波 中国科学院上海硅酸盐研究所  
姚春华 中国科学院上海硅酸盐研究所  
王根水 中国科学院上海硅酸盐研究所 genshuiwang@mail.sic.ac.cn 
中文摘要:红外探测技术现已普及多种领域,受到了世界各国的重视。热释电材料作为其核心灵敏元材料之一,已成为近年来电介质物理与材料研究的热点。作为一种典型的铁电材料,钛酸铋钠基陶瓷因其较高的退极化温度与较大的热释电系数受到了广泛的重视。总结了钛酸铋钠基热释电陶瓷的研究现状,归纳了在不同组元中增强热释电效应的手段,并进行了性能比较。结果表明,通过单组元受主掺杂可以获得兼具较高退极化温度与较大热释电系数的无铅陶瓷材料。最后对目前存在的一些问题进行了讨论。
中文关键词:红外探测技术  铁电材料  钛酸铋钠基热释电陶瓷
 
Research Progress on Pyroelectric Properties of Sodium Bismuth Titanate-Based Ferroelectric Ceramics
Abstract:Infrared detection technology has been popularized in many fields. It has received attention from countries all over the world. As one of its core sensitive metamaterials, pyroelectric materials have become a hot spot in dielectric physics and materials research in recent years. As a typical ferroelectric material, sodium bismuth titanate-based ceramics have received extensive attention due to their high depolarization temperature and large pyroelectric coefficient. The research status of sodium bismuth titanate-based pyroelectric ceramics was summarized. The means to enhance pyroelectric effect in different components were summarized, and the properties were compared. It is found that lead-free ceramic materials with high depolarization temperature and high pyroelectric coefficient can be obtained by doping single-component acceptors. Finally, some existing problems are discussed.
keywords:infrared detection technology  ferroelectric material  sodium bismuth titanate-based pyroelectric ceramics
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