Collective Dipole Behavior and Unusual Morphotropic Phase Boundary in Ferroelectric Pb(Zr0.5Ti0.5)O3 Nanowires

被引：28
|
作者：
Fu, Xiujun [1 ,2 ]
Naumov, Ivan I. [1 ,3 ]
Fu, Huaxiang [1 ]
机构：
[1] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA
[2] S China Univ Technol, Dept Phys, Guangzhou 510640, Peoples R China
[3] Carnegie Inst Sci, Geophys Lab, Washington, DC 20015 USA
来源：
NANO LETTERS | 2013年 / 13卷 / 02期
关键词：
Ferroelectric nanowire; phase transition; morphotropic phase boundary; collective behavior; electromechanical response; ELECTROMECHANICAL RESPONSE; PIEZOELECTRIC PROPERTIES; POLARIZATION ROTATION; BATIO3; TRANSITIONS; FILMS;
D O I：
10.1021/nl303749q
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Dipole collective behavior and phase transition in ferroelectric (FE) Pb(Zr0.5Ti0.5)O-3 nanowires, caused by modulated electric fields, are reported. Our result also leads to the finding of a rather outstanding electromechanical d(31) response in a 8.4 nm diameter PZT wire, which may potentially outperform bulk PMN-PT and PZN-PT. Moreover, we further demonstrate the existence of a new type of morphotropic phase boundary (MPB) that bridges two dissimilar structure phases of different order parameters. Microscopic insights for understanding the collective behavior and the structural phase within the new MPB are provided.
引用
收藏
页码：491 / 496
页数：6
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