压电器件用KNN基无铅压电陶瓷的研究进展  

Research Progress of KNN-Based Lead-Free Piezoelectric Ceramics for Piezoelectric Devices

作　　者：席凯彪 侯育冬[1] 于肖乐 郑木鹏[1] 朱满康[1] XI Kaibiao;HOU Yudong;YU Xiaole;ZHENG Mupeng;ZHU Mankang(Faculty of Materials and Manufacturing,Beijing University of Technology,Beijing 100124,China)

机构地区：[1]北京工业大学材料与制造学部,北京100124

出　　处：《压电与声光》2022年第4期557-564,共8页Piezoelectrics & Acoustooptics

基　　金：北京自然科学基金资助项目(2202008);国家自然科学基金资助项目(51677001,52072010);北京百千万人才基金资助项目(2019A25)。

摘　　要：(K,Na)NbO_(3)(KNN)基无铅压电陶瓷作为一种环境友好型材料,兼具较高的居里温度和可调控的相界结构,在压电器件领域展示出潜在的应用前景,引起了广泛关注和大量研究。对其物相组成、制备工艺、性能调控等方面的研究进展进行了评述,并重点介绍了其在压电器件领域的实际应用,最后对KNN及其在器件应用方面未来的研究和发展方向进行了总结展望。As an environmentally friendly piezoelectric material,the(K,Na)NbO_(3)-based(KNN)lead-free piezoelectric ceramics with a high Curie temperature and a tunable phase boundary structure show potential application prospects in the piezoelectric devices and have attracted extensive attention lots of research interesting.In this work,the research progress of KNN-based materials was reviewed from the aspects of phase composition,preparation process and performance control.Especially,its practical application in the field of piezoelectric devices was systematically introduced.Finally,the future research and development direction of KNN and its application in device were summarized and prospected.

关 键 词：无铅压电陶瓷 材料设计 制备工艺 性能调控 器件应用 

分 类 号：TN384[电子电信—物理电子学] TM282[一般工业技术—材料科学与工程]