The fabrication of La-substituted bismuth titanate nanofibers by electrospinning

被引：27

作者：

Tang, Minghua ^{[1
]}

Shu, Wei ^{[1
]}

Yang, Feng ^{[1
]}

Zhang, Jun ^{[1
]}

Dong, Guangjun ^{[1
]}

Hou, Jianwei ^{[1
]}

机构：

[1] Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Peoples R China

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 38期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/0957-4484/20/38/385602

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Bismuth titanates with La-substituted (Bi3.25La0.75Ti3O12, BLT) nanofibers were synthesized by sol-gel based electrospinning. Pure phase perovskite structure BLT nanofibers could be obtained by annealing at 700 degrees C in air for 1 h. The morphology, crystallized phase and crystal structure were investigated by means of scanning electron microscopy, x-ray diffraction analysis and high resolution transmission electron microscopy, respectively. Nanofibers with fine crystallinity were observed with fiber diameters in the range of 100-300 nm and length over 150 mu m. The ferroelectricity of BLT nanofibers has been confirmed by piezoresponse force microscopy. Excellent piezoelectricity of individual nanofibers has also been obtained.

引用

页数：4

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