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Optimizing the piezoelectric vibration of Pb(Mg1/3Nb2/3)O-3-0.25PbTiO(3) single crystal by alternating current polarization for ultrasonic transducer
Xu, JL; Zhang, Z; Liu, SX; Xiao, JJ; Yue, QW; Deng, H; Wang, X; Lin, D; Wang, FF; Zhang, R; Li, XB; Luo, HS
2020-05-18
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Issue20
SubtypeArticle
AbstractAlternate current poling (ACP) is an effective method to enhance the piezoelectric performance of Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) (PMN-xPT) single crystals dramatically. For their application in piezoelectric transducers for medical imaging, the beam mode vibration of PMN-0.25PT single crystal resonators after ACP was investigated by combining experimental impedance measurements and finite element simulation. The complete material coefficients of PMN-0.25PT single crystals were obtained by using pulse-echo ultrasound and inverse impedance spectroscopy. Compared to traditional direct current poling (DCP), the beam mode electromechanical coupling coefficient (k(33)') of PMN-0.25PT for ACP reaches up to 89.1% from 84.5% of DCP. As the attribution of the special periodic stripe domain structure (109 degrees domain), the lateral vibration will be suppressed effectively in the array transducer. This indicates that AC-poled PMN-0.25PT single crystals can be an efficient strategy to obtain higher sensitivity and a larger bandwidth in ultrasonic transducers.
DOI10.1063/5.0008148
WOS KeywordDESIGN
Language英语
WOS Research AreaPhysics
PublisherAMER INST PHYSICS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28056
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xu, JL,Zhang, Z,Liu, SX,et al. Optimizing the piezoelectric vibration of Pb(Mg1/3Nb2/3)O-3-0.25PbTiO(3) single crystal by alternating current polarization for ultrasonic transducer[J]. APPLIED PHYSICS LETTERS,2020(20).
APA Xu, JL.,Zhang, Z.,Liu, SX.,Xiao, JJ.,Yue, QW.,...&Luo, HS.(2020).Optimizing the piezoelectric vibration of Pb(Mg1/3Nb2/3)O-3-0.25PbTiO(3) single crystal by alternating current polarization for ultrasonic transducer.APPLIED PHYSICS LETTERS(20).
MLA Xu, JL,et al."Optimizing the piezoelectric vibration of Pb(Mg1/3Nb2/3)O-3-0.25PbTiO(3) single crystal by alternating current polarization for ultrasonic transducer".APPLIED PHYSICS LETTERS .20(2020).
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