Er3+掺杂0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3压电陶瓷的性能研究  

Properties of Er3+ Doped 0.5Ba(Zr0.2Ti0.8)O3- 0.5(Ba0.7Ca0.3)TiO3 Piezoelectric Ceramics

作　　者：马春林[1] 周越 翟章印[1] 王瑶 马晨宇 朱婉宁 MA Chun-lin;ZHOU Yue;ZHAI Zhang-yin;WANG Yao;MA Chen-yu;ZHU Wan-ning(School of Physics and Electronic and Electrical Engineering, Huaiyin Normal University, Huaian Jiangsu 223300, China)

机构地区：[1]淮阴师范学院物理与电子电气工程学院

出　　处：《淮阴师范学院学报（自然科学版）》2019年第3期228-232,共5页Journal of Huaiyin Teachers College;Natural Science Edition

基　　金：国家自然科学基金项目(11547023);江苏省高校大学生创新创业训练计划项目(201810323054X)

摘　　要：采用传统固相烧结方法制备了Er^3+掺杂0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3无铅压电陶瓷.考察了不同浓度Er^3+离子掺杂对其晶体结构和上转化发光性能的影响.XRD实验结果表明制备出的陶瓷样品均为纯的钙钛矿结构,且形成三方相和四方相的准同型相界.在980nm波长激发下,陶瓷显现出明显的上转化发光性能,有3个明显的Er^3+特征峰,分别位于528,550nm处绿光发射和661nm处红光发射;当Er^3+掺杂量x=0.015mol时,上转换发光性能达到最佳.该材料属于一种光-电多功能材料,即既具有上转换发光性能又具有铁电/压电性能.稀土掺杂0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3固溶体的发光性能可以通过电场来调控.In this paper, Er^3+ doped 0.5Ba(Ti 0.8 Zr 0.2 )O 3-0.5(Ba 0.7 Ca 0.3 )TiO 3 lead-free piezoelectric ceramics were successfully prepared by the conventional solid-state reaction method. The effects of different Er^3+ ions doping contents on the crystal structure and upconversion luminescence properties were mainly studied. The XRD experimental results show that all the samples prepared possess pure perovskite structure and morphotropic phase boundary (MPB) with the coexistence of tetragonal and rhombohedral phases. Under the excitation wavelength of 980 nm, the ceramics show significant upconversion luminescence properties, three obvious characteristic peaks of Er^3+ are observed, that is, the green emission located at around 528 nm and 550 nm and the red emission located at 661 nm. With the Er^3+ doping of 0.015 mol, the ceramic exhibits the optimum upconversion luminescence performance. In addition, the material belongs to a kind of multifunctional material, i.e., upconversion luminescence performance and ferro/pizeoelectric properties. In addition, the upconversion photoluminescence properties of Er^3+ doped 0.5Ba(Zr 0.2 Ti 0.8 )O 3-0.5(Ba 0.7 Ca 0.3 )TiO 3 can be modulated effectively by electric field poling.

关 键 词：无铅压电陶瓷 固相烧结法 上转化发光性能 铁电性 

分 类 号：O482.3[理学—固体物理]