铌酸镁锂微波介质陶瓷的研究进展

Research Progress of Li₃Mg₂NbO₆ Microwave Dielectric Ceramics

岩盐型微波介质陶瓷具有优异的介电性能,具有岩盐结构的Li3Mg2NbO6微波介质陶瓷因其良好的综合特性成为近年来的研究热点之一。本文总结了近几年Li3Mg2NbO6微波介质陶瓷的研究情况,系统介绍了微波介质陶瓷的分类和Li3Mg2NbO6微波介质陶瓷的介电性能,分析了Li3Mg2NbO6陶瓷在烧结过程中存在的问题,并提出了针对其改性研究的几种方法,最后对该种陶瓷的研究方向进行了展望。

The rock-salt microwave dielectric ceramics have excellent dielectric properties, and Li3Mg2NbO6 microwave dielectric ceramics with rock-salt structure have become one of the research hotspots in recent years because of their good comprehensive characteristics. This paper summarizes the research on Li3Mg2NbO6 microwave dielectric ceramics in recent years, systematically introduces the classification of microwave dielectric ceramics and the dielectric properties of Li3Mg2NbO6 microwave dielectric ceramics, analyzes the problems in the sintering process of Li3Mg2NbO6 ceramics and proposes several methods for its modification, and finally gives an outlook on the research direction of this type of ceramics.