Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/381
Title: Single crystal PMN-0.33PT/epoxy 1-3 composites for ultrasonic transducer applications
Authors: Cheng, KC
Chan, HLW 
Choy, CL
Yin, Q
Luo, H
Yin, Z
Keywords: Ultrasonic transducers
Piezoelectric materials
Composite materials
Issue Date: Sep-2003
Publisher: IEEE
Source: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Sept. 2003, v. 50, no. 9, p.1177-1183 How to cite?
Journal: IEEE transactions on ultrasonics, ferroelectrics, and frequency control 
Abstract: Lead magnesium niobate-lead titanate 0.67Pb (Mg[sub ⅓]Nb[sub ⅔])O₃-0.33PbTiO₃ (PMN-0.33PT, abbreviated as PMN-PT) single crystals were used to fabricate PMN-PT/epoxy 1-3 composites with different volume fractions of PMN-PT ranging from 0.4 to 0.8. The electromechanical properties of the 1-3 composites were determined by the resonance technique. Theoretical modeling of the 1-3 composites matched quite well with the measured material properties. It was demonstrated that the thickness electromechanical coupling coefficients of the composites could reach as high as 0.8. A 2.4 MHz plane ultrasonic transducer was fabricated using a PMN-PT/epoxy 1-3 composite with 0.37 volume fraction of PMN-PT. It shows a -6 dB bandwidth of ∼61% and an insertion loss of -14 dB.
URI: http://hdl.handle.net/10397/381
ISSN: 0885-3010
DOI: 10.1109/TUFFC.2003.1235328
Rights: © 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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