Relation between structure and piezoelectric properties of(1-x-y)PbZrO3-xPbTiO3-yPb(Ni1/3Nb2/3)O3 ceramics near triple point composition

Title
Relation between structure and piezoelectric properties of(1-x-y)PbZrO3-xPbTiO3-yPb(Ni1/3Nb2/3)O3 ceramics near triple point composition
Authors
윤석진강종윤남산이태곤이호준김대현주하이보박수진박종성
Issue Date
2016-12
Publisher
Journal of the European Ceramic Society
Citation
VOL 36, NO 16-4057
Abstract
The structural and piezoelectric properties of (1-x-y)PbZrO3-xPbTiO3-yPb(Ni1/3Nb2/3)O3 [(1-x-y)PZ-xPT-yPNN] ceramics near the triple point were investigated. The 0.16PZ-0.34PT-0.5PNN ceramic with a triple point composition exhibited a large d33, kp and ε33T/εo values of 855 pC/N, 0.68 and 5800, respectively. However, its g33 and d33 x g33 values were relatively small because of its large ε33T/εo. Similar results were obtained for specimens with rhombohedral-tetragonal or pseudocubic-tetragonal morphotropic phase boundary (MPB) compositions. However, specimens with a rhombohedral structure near the rhombohedral-tetragonal MPB exhibited large g33 and d33 x g33 values because of their large d33 and small ε33T/εo that can be explained by their polarization characteristics. In particular, 0.23PZ-0.36PT-0.41PNN ceramic exhibited large g33 and d33 x g33 values of 30.2 × 10− 3 Vm/N and 22.6 × 10− 12 m2/N, respectively, thus making it a good candidate for piezoelectric energy harvesters and multilayer actuators.
URI
http://pubs.kist.re.kr/handle/201004/65049
ISSN
0955-2219
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