DC FIELD EFFECTS ON DIELECTRIC, ELASTIC AND PIEZOELECTRIC ANISOTROPIES OF 0.37 PB(ZN1/3NB2/3)O3-XPBTIO3-(0.63-X)PBZRO3 CERAMICS

被引:2
|
作者
WI, SK
KIM, HG
机构
[1] Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Cheongryang, Seoul
关键词
ANISOTROPY; DOMAIN REORIENTATION; LEAD-ZINC-NIOBATE; PIEZOELECTRIC CERAMIC;
D O I
10.1080/00150199208009089
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The change of dielectric, elastic and piezoelectric properties with dc field in 0.37 Pb(Zn1/3Nb2/3)O3-xPbTiO3-(0.63-x)PbZrO3 ceramics was discussed from the view point of domain reorientation mechanism. In the rhombohedral phase region, dielectric and elastic properties were saturated at relatively low electric field compared with those in the tetragonal phase region and also the change of these properties were saturated at different electric fields. From the examination of X-ray diffraction patterns and the coercive field measurement, it is found that the change of dielectric and elastic properties in the tetragonal phase is affected with 180-degrees domain clamping and 90-degrees- domain reorientation, respectively.
引用
收藏
页码:225 / 232
页数:8
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