Structural and Piezoelectric Properties of Sr0.6Ba0.4Nb2O6 Micro-rods Synthesized by Molten-Salt Method

被引：0
|
作者：
Zhang Guangbin [1 ]
Hu Chengchao [2 ]
Shi Yangguang [1 ]
Shi Daning [1 ]
机构：
[1] Department of Applied Physics,Nanjing University of Aeronautics and Astronautics
[2] College of Materials Science and Engineering,Liaocheng University
来源：
Transactions of Nanjing University of Aeronautics and Astronautics | 2018年 / 35卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Sr0.6Ba0.4Nb2O6; micro-rods; molten salt method; X-ray diffraction patterns; transmission electron microscope(TEM)imaging; piezoresponse force microscope(PFM)detection;
D O I：
10.16356/j.1005-1120.2018.03.432
中图分类号：
TB34 [功能材料];
学科分类号：
080501 ;
摘要：
Sr0.6 Ba0.4 Nb2 O6 micro-rods are prepared by the molten-salt method with K2 SO4,KCl-K2 SO4,and KCl as fluxes.It reveals that the Sr0.6 Ba0.4 Nb2 O6 synthesized with KCl as a flux exhibits a single phase with tetragonal tungsten bronze structure.The measurement of X-ray diffraction indicates that the Sr0.6 Ba0.4 Nb2 O6 micro-rods synthesized at 1 300℃are anisotropic.The morphology of the powers is examined by transmission electron microscope.It reveals that the length-diameter ratio of Sr0.6 Ba0.4 Nb2 O6 micro-rods increases with increasing annealing temperature from 900℃to 1 300℃.At 1 300℃,the rod possesses a large length-diameter ratio of 8∶1.Moreover,the analysis of the piezoelectric properties of single micro-rods using apiezo-response force microscope indicates that the domains of the material are arranged along its radial direction.
引用
收藏
页码：432 / 436
页数：5
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