Rare-earth doped (K0.5Na0.5)NbO3 multifunctional ceramics

被引：14

作者：

Du, Juan ^{[1
]}

Xu, Zhijun ^{[1
]}

Chu, Ruiqing ^{[1
]}

Hao, Jigong ^{[1
]}

Li, Wei ^{[1
]}

Jiang, Guicheng ^{[2
]}

Zheng, Peng ^{[3
]}

机构：

[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Peoples R China

[2] Harbin Inst Technol, Condensed Matter Sci & Technol Inst, Harbin 150001, Peoples R China

[3] Hangzhou Dianzi Univ, Coll Elect & Informat, Hangzhou 310018, Zhejiang, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 07期

基金：

中国国家自然科学基金;

关键词：

LEAD-FREE CERAMICS; UP-CONVERSION LUMINESCENCE; PIEZOELECTRIC PROPERTIES; MECHANICAL-PROPERTIES; HIGHLY EFFICIENT; PHASE-TRANSITION; PHOTOLUMINESCENCE; STRAIN; PR; PROPERTY;

D O I：

10.1007/s10854-016-6186-6

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：

Rare-earth elements Dy3+, Er3+, Eu3+ and Pr3+-doped (K0.5Na0.5)NbO3 ceramics were prepared by traditional solid-state sintering method. The structure, piezoelectric, ferroelectric and photoluminescence properties of the samples were investigated. All ceramics possessed orthorhombic perovsktie structures at room temperature without impurity phases. The ceramics were well sintered and displayed considerably dense microstructure and inhomogeneous grain size distributions. Good ferroelectricity could be realized in the proposed compositions. All KNN-RE ceramics exhibited photoluminescence effects. The KNN-Pr sample showed little degradation in both switchable polarization and the converse piezoelectric coefficients d (33)* after 10(5) switching cycles, meanwhile, it had the highest photoluminescence intensity. The work provides an alternative routine to develop new multifunctional materials.

引用

页码：5288 / 5294

页数：7

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