Structure and phase stability of lead-free antiferroelectric (Na0.96-xCa0.04Lix)(Nb0.96Zr0.04)O3 ceramics

被引：2

作者：

Xu, Zunping ^{[1
]}

Qiang, Hua ^{[2
]}

Chen, Yi ^{[1
]}

Liu, Gang ^{[1
]}

机构：

[1] Southwest Univ, Fac Mat & Energy, Chongqing 400715, Peoples R China

[2] Chongqing Coll Humanities Sci & Technol, Chongqing 401524, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2019年 / 30卷 / 03期

关键词：

GIANT PIEZOELECTRICITY; TEMPERATURE;

D O I：

10.1007/s10854-018-0540-9

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

(Na0.96-xCa0.04Lix)(Nb0.96Zr0.04)O-3 (CZNNL) ceramics with high density were successfully prepared by the solid-state reaction method. The effect of Li dopants on the structure, electrical properties and stability of antiferroelectricity has been investigated. Enhanced antiferroelectric superlattice peaks was observed for CZNNL (x0.01) using X-ray diffraction. Li substitution can effectively destabilize the antiferroelectric phase and correspondingly the ferroelectric phase can be enhanced. The field-induced polarization increase and the average grain size decrease with increasing Li concentration. The CZNNL (x=0.01) ceramics can preserve the double polarization hysteresis loops at room temperature and at 120 degrees C.

引用

页码：2647 / 2651

页数：5

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