New Potassium-Sodium Niobate Ceramics with a Giant d33

被引：94

作者：

Wang, Xiaopeng ^{[1
]}

Wu, Jiagang ^{[1
]}

Xiao, Dingquan ^{[1
]}

Cheng, Xiaojing ^{[1
]}

Zheng, Ting ^{[1
]}

Lou, Xiaojie ^{[2
]}

Zhang, Binyu ^{[1
]}

Zhu, Jianguo ^{[1
]}

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：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 09期

基金：

美国国家科学基金会;

关键词：

lead-free ceramics; potassium-sodium niobate; high piezoeletricicty; LEAD-FREE; PIEZOELECTRIC PROPERTIES; SINGLE-CRYSTALS; PBTIO3;

D O I：

10.1021/am500819v

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

For potassium-sodium niobate, poor piezoelectric properties always perplex most researchers, and then it becomes important to attain a giant piezoelectricity. Here we reported a giant piezoelectric constant in (1 - x)(K0.48Na0.52)(Nb0.95Sb0.05)O-3-xBi(0.5)Ag(0.5)ZrO(3) lead-free ceramics. The rhombohedral-tetragonal phase boundary was shown in the ceramics with 0.04 < x <= 0.05, and then the ceramic with x = 0.0425 possesses a giant d(33) of similar to 490 pC/N. We also discussed the physical mechanisms of enhanced piezoelectricity. As a result, such a research can benefit the sustainable development of (K,Na)NbO3 materials.

引用

页码：6177 / 6180

页数：4

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