Fabrication of lead-free (Na0.82K0.18)0.5Bi0.5TiO3 piezoelectric nanofiber by electrospinning

被引：15

作者：

Chen, Y. Q. ^{[1
,2
]}

Zheng, X. J. ^{[1
,2
]}

Feng, X. ^{[3
]}

Dai, S. H. ^{[1
,2
]}

Zhang, D. Z. ^{[1
,2
]}

机构：

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

[2] Xiangtan Univ, Fac Mat Optoelect & Phys, Xiangtan 411105, Hunan, Peoples R China

[3] Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2010年 / 45卷 / 06期

关键词：

Nanostructure; Sol-gel chemistry; Atomic force microscopy; Piezoelectricity; NANOWIRES; GROWTH; FILMS;

D O I：

10.1016/j.materresbull.2010.02.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

(Na0.82K0.18)(0.5)Bi0.5TiO3 nanofibers were synthesized by sol-gel process and electrospinning Scanning electron microscopy was used to verify that the diameters and lengths are in the range of 150-600 nm and several hundreds of micrometer. Perovskite structure and grain size (20-70 nm) were verified by Xray diffraction and transmission electron microscopy The high effective piezoelectric coefficient d(33) (96 pm/V) was measured by scanning force microscopy It may be attributed to easily tilting the polar vector of domain for an electric field and the increase in the number of possible spontaneous polarization direction near the rhombohedral-tetragonal morphotropic phase boundary The research shows that there ate potentional applications for (Na0.82K0.18)(0.5)Bi0.5TiO3 nanofiber in nanoscale lead-free piezoelectric devices. (C) 2010 Elsevier Ltd. All rights reserved

引用

页码：717 / 721

页数：5

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