Giant d33 in (K,Na)(Nb,Sb)O3-(Bi,Na,K,Li)ZrO3 based lead-free piezoelectrics with high Tc

被引：112

作者：

Cheng, Xiaojing ^{[1
]}

Wu, Jiagang ^{[1
]}

Wang, Xiaopeng ^{[1
]}

Zhang, Binyu ^{[1
]}

Zhu, Jianguo ^{[1
]}

Xiao, Dingquan ^{[1
]}

Wang, Xiangjian ^{[2
]}

Lou, Xiaojie ^{[2
]}

机构：

[1] Sichuan Univ, Dept Mat Sci, Chengdu 610064, Peoples R China

[2] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Multidisciplinary Mat Res Ctr, Xian 710054, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 05期

基金：

美国国家科学基金会;

关键词：

SODIUM-POTASSIUM NIOBATE; SINGLE-CRYSTALS; FREE PIEZOCERAMICS; PHASE-TRANSITION; CERAMICS; PERFORMANCE;

D O I：

10.1063/1.4817517

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, a lead-free piezoelectric system based on (1-x)(K0.48Na0.52)(Nb0.95Sb0.05)O-3-xBi(0.5)(Na0.7K0.2Li0.1)(0.5)ZrO3 [(1-x)KNNS-xBNKLZ] is developed, and a rhombohedral-tetragonal phase boundary is constructed in this system. The relationship between the phase boundary and the piezoelectric properties of the (1-x)KNNS-xBNKLZ ceramics is illuminated. The coexistence of a tetragonal phase and a rhombohedral phase is identified in the composition range of 0.03 < x< 0.05. For such composition, the ceramics show giant d(33) of similar to 380 pC/N, high T-c of similar to 290 degrees C, and a good thermal-depolarization behavior (d(33) > 300 pC/N) of similar to 210 degrees C. We believe that the (1-x)KNNS-xBNKLZ system is very promising for lead-free piezoelectric applications. (C) 2013 AIP Publishing LLC.

引用

页数：5

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