Influence of strontium doping on the ferroelectric and piezoelectric properties of lead zinc niobate-lead zirconate titanate ceramics

被引：0

作者：

Vittayakorn, Naratip ^{[1
]}

Bongkarn, Theerachai

机构：

[1] Naresuan Univ, Fac Sci, Dept Phys, Phitsanulok 65000, Thailand

[2] King Mongkuts Inst Technol, Fac Sci, Dept Chem, Bangkok 10520, Thailand

来源：

FERROELECTRICS | 2007年 / 358卷

关键词：

thermal treatment; hysteresis loop; ferroelectric properties;

D O I：

10.1080/00150190701533967

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystal structure, ferroelectric and piezoelectric properties of pyrochlore-free lead zinc niobate-lead Zirconate titanate ceramics were investigated systematically as a function of Sr doping as well as thermal treatment. The results showed that the remanent polarization (P-r) has decreased significantly with increase in strontium content. After annealing, the value of squareness of hysteresis loop (R-sq) increased from 1.48 to 1.74 for the annealed sample. Furthermore the annealed samples exhibited larger Pr and lower coercive fields (E-c) compared with as-sintered samples. The results indicated that the ferroelectric and piezoelectric properties in Sr-modified PZT-PZN were further improved by thermal annealing.

引用

页码：936 / 941

页数：6

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