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Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary
作者: Li, Hai-Long1,2; Zhang, Ying1; Zhou, Jia-Jun1,2; Zhang, Xiao-Wen3; Liu, Hong1; Fang, Jing-Zhong1
刊名: Ceramics International
出版日期: 2015
卷号: 41, 期号:3, 页码:4822-4828
学科分类: Electric fields - Electromechanical coupling - Permittivity - Piezoelectric ceramics - Piezoelectricity - Solid state reactions - Temperature distribution
DOI: 10.1016/j.ceramint.2014.12.038
通讯作者: Zhou, Jia-Jun
文章类型: 期刊论文
中文摘要: xPb(Zn1/3Nb2/3)O3-(1-x)PbZr0.5Ti0.5O3 (xPZN-(1-x)PZT) (x=0.22-0.36) polycrystalline ceramics with finely varied PZN content were fabricated by a solid-state reaction method. The phase structure, microstructure and temperature dependence of the electrical properties were systematically investigated. The core of the morphotropic phase boundary (MPB) separating the tetragonal from rhombohedral phases located around the region with x=0.26-0.30, identified by XRD measurement and electrical properties. Higher PZN content favored rhombohedral symmetry and stronger relaxor-like characteristics. All compositions demonstrated well-saturated ferroelectric P-E loops, and a maximum remnant polarization of Pr~41.83 μC/cm2 with a corresponding coercive field Ec~11.3 kV/cm was achieved around MPB. Optimum electrical properties of piezoelectric constant d33~550 pC/N, planar electromechanical coupling coefficient kp~0.69, relative dielectric permittivity Εr~2327 were obtained in the 0.28PZN-0.72PZT composition with a relatively high Curie point of Tc~325 °C. This composition also possessed a good electric field-induced-strain property with d∗33up to 658 pm/V (E=1 kV/mm), making it promising for application in piezoactuators. © 2014 Elsevier Ltd and Techna Group S.r.l.
英文摘要: xPb(Zn1/3Nb2/3)O3-(1-x)PbZr0.5Ti0.5O3 (xPZN-(1-x)PZT) (x=0.22-0.36) polycrystalline ceramics with finely varied PZN content were fabricated by a solid-state reaction method. The phase structure, microstructure and temperature dependence of the electrical properties were systematically investigated. The core of the morphotropic phase boundary (MPB) separating the tetragonal from rhombohedral phases located around the region with x=0.26-0.30, identified by XRD measurement and electrical properties. Higher PZN content favored rhombohedral symmetry and stronger relaxor-like characteristics. All compositions demonstrated well-saturated ferroelectric P-E loops, and a maximum remnant polarization of Pr~41.83 μC/cm2 with a corresponding coercive field Ec~11.3 kV/cm was achieved around MPB. Optimum electrical properties of piezoelectric constant d33~550 pC/N, planar electromechanical coupling coefficient kp~0.69, relative dielectric permittivity Εr~2327 were obtained in the 0.28PZN-0.72PZT composition with a relatively high Curie point of Tc~325 °C. This composition also possessed a good electric field-induced-strain property with d∗33up to 658 pm/V (E=1 kV/mm), making it promising for application in piezoactuators. © 2014 Elsevier Ltd and Techna Group S.r.l.
收录类别: SCI ; Ei
项目资助者: West Light Foundation of the Chinese Academy of Sciences [A14K001] ; State Key Laboratory of New Ceramics and Fine Processing Tsinghua University [KF201309] ; National Nature Science Foundation of China [51402297]
语种: 英语
WOS记录号: WOS:000350180600072
ISSN号: 0272-8842
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6433
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
3. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, China

Recommended Citation:
Li, Hai-Long,Zhang, Ying,Zhou, Jia-Jun,et al. Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary[J]. Ceramics International,2015,41(3):4822-4828.
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