Physical properties of PNN-PMN-PZT doped with zinc oxide and CLBO for ultrasonic transducer

被引：5
作者：
Yoo J. [1 ]
Kim T. [1 ]
Lee E. [2 ]
Choi N.-G. [3 ]
Jeong H.-S. [4 ]
机构：
[1] Department of Electrical Engineering, Semyung University, Korea and Ulsso Hitech Co. Ltd., Jecheon 27136, Chongwon
[2] Ulsso Hitech Co. Ltd., Chongwon
[3] Hitomoroo, Wonju
[4] Chungbuk Health & Science University, Cheongju
来源：
Transactions on Electrical and Electronic Materials | 2017年 / 18卷 / 06期
关键词：
Mmechanical quality factor (Q[!sub]m[!/sub]); Piezoelectric constant (d[!sub]33[!/sub]); Sintering aids; Ultrasonic transducer;
D O I：
10.4313/TEEM.2017.18.6.334
中图分类号：
学科分类号：
摘要：
In this paper, to develop the ceramics with high d33 and high Qm for ultrasonic transducer applications, 0.10 Pb(Ni1/3Nb2/3) O3-0.07 Pb(Mn1/3Nb2/3)O3 -0.83 Pb(Zr0.5Ti0.5)0.83O3 (PNN-PMN-PZT) ceramics were sintered at 940℃ using CuO-Li2CO3-Bi2O3 (CLBO) as a sintering aid by a traditional solid-state technique. The influence of zinc oxide additive on the physical properties of the prepared ceramics were systematically investigated. The R-T (rhombohedral-tetragonal) phase coexistence was found in the ceramics without zinc oxide additive and with increasing amounts of ZnO additive, the specimens showed a tetragonal phase. The formation of a liquid phase between ZnO and Bi2O3 contributed significantly to the grain growth of specimens. For the 0.1 wt% ZnO ceramics, the optimal physical properties of d33= 370 pC/N, εr = 1,344, kp= 0.621, and Qm= 1,523 were obtained. © 2017 KIEEME. All rights reserved.
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页码：334 / 337
页数：3
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