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Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary
Li, Hai-Long1,2; Zhang, Ying1; Zhou, Jia-Jun1,2; Zhang, Xiao-Wen3; Liu, Hong1; Fang, Jing-Zhong1
Source PublicationCERAMICS INTERNATIONAL
Volume41Issue:3Pages:4822-4828
2015-04-01
Language英语
Indexed BySCI
WOS IDWOS:000350180600072
SubtypeArticle
AbstractxPb(Zn1/3Nb2/3)O-3 (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 P-r similar to 41.83 mu C/cm(2) with a corresponding coercive field E-c similar to 11.3 kV/cm was achieved around MPB. Optimum electrical properties of piezoelectric constant d33-550 pC/N, planar electromechanical coupling coefficient k(p)similar to 0.69, relative dielectric permittivity epsilon(r)similar to 2327 were obtained in the 0.28PZN-0.72PZT composition with a relatively high Curie point of T-c similar to 325 degrees C. This composition also possessed a good electric field-induced-strain property with d*(33) up to 658 pm/V (E= 1 kV/mm), making it promising for application in piezoactuators. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordPiezoelectric Properties Perovskites Pzt
WOS KeywordPZN-PZT CERAMICS ; FERROELECTRIC CERAMICS ; PIEZOELECTRIC PROPERTIES ; DIELECTRIC-PROPERTIES ; GRAIN-SIZE ; SYSTEM ; TRANSITION ; BEHAVIOR
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2544
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
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.
APA Li, Hai-Long,Zhang, Ying,Zhou, Jia-Jun,Zhang, Xiao-Wen,Liu, Hong,&Fang, Jing-Zhong.(2015).Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary.CERAMICS INTERNATIONAL,41(3),4822-4828.
MLA Li, Hai-Long,et al."Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary".CERAMICS INTERNATIONAL 41.3(2015):4822-4828.
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