高介电常数微波陶瓷材料的研究进展  

Research and Development for Several High ε_r Microwave Dielectric Ceramics

作　　者：赵梅瑜[1] 王依琳[1] 

机构地区：[1]中科院上海硅酸盐研究所,上海200050

出　　处：《电子元件与材料》2005年第12期50-54,共5页Electronic Components And Materials

摘　　要：叙述了BaO-Ln2O3-xTiO2系陶瓷的掺杂、添加烧结助剂和晶粒取向对其烧结温度和微波介电性能的影响。简述了(Pb1-xCax)(Fe0.5Nb0.5)O3系陶瓷的掺杂改性和低温烧结的研究进展。介绍了迄今为止εr最高的一类微波介质陶瓷CaO-Li2O-Ln2O3-TiO2系材料。提出了需要进一步思考和解决的问题。The influences of doping, sintering aids and grain-orientation BaO-Ln2O3-xTiO2 ceramics were summarized. The development for modified ceramics were mentioned. Then, CaO-LiEO-Ln2O3-TiO2 ceramics with the most interesting problems to be considered are mentioned. on the microwave dielectric properties of and low sintering （Pb1-xCax）（Fe0.5Nb0.5）O3 excellent εr were introduced. Finally, some

关 键 词：无机非金属材料 微波介质陶瓷 综述 高介电常数 晶相组成 

分 类 号：TM22[一般工业技术—材料科学与工程]