添加剂对(Zr,Sn)TiO_4系统高频陶瓷介电性能的影响  

Effects of Dopants on the Dielectric Properties of (Zr,Sn)TiO_4 System High-Frequency Ceramics

作　　者：王国庆[1] 吴顺华[1] 赵玉双[1] 

机构地区：[1]天津大学电子信息工程学院,天津300072

出　　处：《硅酸盐通报》2003年第5期7-12,共6页Bulletin of the Chinese Ceramic Society

摘　　要：用一般的电子陶瓷工艺在中温 (115 0℃ )烧结条件下制备了 (Zr ,Sn)TiO4 系统多层陶瓷电容器 (MLCC)用高频陶瓷材料。通过向系统中加入CuO ,ZnO ,BaCO3 ,SrCO3 和G(玻璃 )等添加剂 ,达到了降低烧成温度并提高介电性能的效果。研究了各添加剂对系统介电性能的影响。制得的陶瓷材料具有优异的介电性能 :在 1MHz下 ,ε≈ 38,Q =1/tanδ≥ 10 4 ,ρV≥ 10 11Ω·m ,αC=(0± 30 )× 10 -6·℃ -1。In this paper,(Zr,Sn)TiO 4 system high-frequency ceramics for multilayer ceramic capacitors (MLCC) was prepared at intermediate-temperature (1150℃) by general electric ceramics technology.The addition of CuO,ZnO,BaCO 3,SrCO 3 and G(Glass) to the system lowered the sintering temperature and improved the dielectric properties.The effects of dopants on the dielectric properties of the system were investigated.The prepared ceramic material has excellent dielectric properties at 1MHz as follows:ε≈38,Q=1/tanδ≥10 4,ρ V≥10 11Ω·m,α C=(0±30)×10 -4/℃.

关 键 词：添加剂 ZrTiO4 陶瓷材料 介电性能 中温烧结 SnTiO4 

分 类 号：TQ174.758[化学工程—陶瓷工业] TQ174.12[化学工程—硅酸盐工业]