Effect of Al2O3 additive on the dielectric properties of PbO-SrO-Na2O-Nb2O5-SiO2 glass-ceramic

被引：0
|
作者：
Zhou, Hao [1 ]
Zhang, Qingmeng [1 ]
Tang, Qun [1 ]
Cui, Hang [1 ]
Xu, Yaohua [1 ]
Lin, Chen-guang [1 ,2 ]
Du, Jun [1 ]
机构：
[1] Gen Res Inst Nonferrous Met, Adv Elect Mat Inst, Beijing, Peoples R China
[2] Gen Res Inst Nonferrous Met, Powder Met & Special Mat Res Dept, Beijing, Peoples R China
来源：
ADVANCES IN ENERGY SCIENCE AND EQUIPMENT ENGINEERING | 2015年
关键词：
SYSTEM; DENSITY;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The effect of Al2O3 addition on dielectric properties of PbO-SrO-Na2O-Nb2O5-SiO2 glass-ceramic has been investigated. DTA data indicated that the crystallization temperature of niobate ferroelectric phases can be decreased by adding a proper content of Al2O3. The XRD analysis method demonstrated that Al3+ remained in the glass phase for no new phase appeared when Al2O3 was added to the precursor. The results showed that the dielectric properties of the niobate glass-ceramic were greatly influenced by Al2O3, and the highest dielectric constant (492) and lowest dielectric loss (0.007) were got by adding 1 mol% Al2O3, when the content of Al2O3 exceeded 1 mol%, the dielectric constant had a slight decrease and the dielectric loss increased.
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页码：2605 / 2608
页数：4
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