Piezoelectric and dielectric properties of Pb0.93La0.02Sr0.05(Zr0.52Ti0.48)O3 ceramics doped with Li2CO3 at low sintering temperature

被引：9

作者：

Siddiqui, Maliha ^{[1
]}

Mohamed, Julie Juliewatty ^{[2
]}

Ahmad, Zainal Arifin ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Struct Mat Niche Area, Engn Campus, Nibong Tebal 14300, Penang, Malaysia

[2] Univ Malaysia Kelantan, Fac Earth Sci, Jeli Campus, Jeli 17600, Kelantan, Malaysia

来源：

CERAMICS INTERNATIONAL | 2017年 / 43卷 / 02期

关键词：

PZT; Piezoelectric properties; Dielectric properties; Perovskites; ELECTROMECHANICAL PROPERTIES; FERROELECTRIC CERAMICS; PBO;

D O I：

10.1016/j.ceramint.2016.11.075

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pb0.93La0.02Sr0.05(Zr0.52Ti0.48)O-3 (PLSZT) ceramics were successfully doped with various amounts of Li2CO3. The effect of Li2CO3 as sintering aid on crystallization process of PLSZT ceramic was also determined by thermal analysis (TGA/DTA). As the amount of Li2CO3 increased from 0.1 to 1 mol%, the sintering temperature was found to decrease from 1150 to 850 degrees C. Li2CO3 addition improved the densification and increased the average grain size. XRD data revealed the formation of single perovskite phase in all compositions. The effects of Li+ doping on the piezoelectric and dielectric properties of PLSZT ceramics were also investigated in which the piezoelectric and dielectric properties were found to be enhanced with the increase in Li+ content. The best piezoelectric and dielectric properties were obtained for 0.7 mol% Li2CO3 with rho=7.421 g/cm(3), KP = 0.46, d(33)=259 (pC/N), epsilon(r)=1270, and tan delta=0.0847.

引用

页码：2644 / 2649

页数：6

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