摘要
采用传统的固相反应法制备了Li2O-B2O3-Si O2(LBS)玻璃掺杂的(Bi1.5Zn0.5)(Zn0.5Nb1.5)O7(BZN)陶瓷,研究了LBS作为烧结助剂对BNZ陶瓷的烧结特性、晶相组成、微观结构以及介电性能的影响。结果表明,添加少量LBS玻璃后的陶瓷试样中没有出现第二相,主晶相仍为立方焦绿石结构。烧结助剂能有效降低BZN陶瓷的烧结温度,当LBS质量分数为0.6%时,陶瓷试样的烧结温度降到900℃,制备的试样具有良好的介电性能:相对介电常数为159,介质损耗为8×10–4(1 MHz)。
Li2O-B2O3-SiO2（LBS） glass doped （Bi1.5Zn0.5）（Zn0.5Nb1.5）O7（BZN） ceramics were prepared by the conventional solid state reaction method. The influences of LBS additives on the sintering behavior, phase composition, microstructure and dielectric properties of BZN ceramics were investigated. The results show that the secondary phase isn’t observed for the BZN ceramics with LBS glass, and the major phase of ceramics is still cubic pyrochlore phase. The LBS additives can effectively decrease the sintering temperature of BZN ceramics. BZN ceramics doped with mass fraction of 0.6% of LBS sintered at 900℃ obtain good dielectric properties ofεr=159, tanδ = 8×10–4（1 MHz）.
出处
《电子元件与材料》
CAS
CSCD
2015年第10期6-9,共4页
Electronic Components And Materials
基金
中央高校基本科研业务费专项基金项目资助(No.A03007023801165)
