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

页码：432 / 436

页数：5

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