Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7488
Title: High performance relaxor-based ferroelectric single crystals for ultrasonic transducer applications
Authors: Chen, Y
Lam, KH 
Zhou, D
Yue, Q
Yu, Y
Wu, J
Qiu, W
Sun, L 
Zhang, C
Luo, H
Chan, HLW 
Dai, J 
Keywords: PMN-PT
PIN-PMN-PT
Single crystals
Composites
Ultrasonic transducers
Issue Date: 29-Jul-2014
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Sensors, 29 July 2014, v. 14, no. 8, p. 13730-13758 How to cite?
Journal: Sensors 
Abstract: Relaxor-based ferroelectric single crystals Pb(Mg₁/₃ Nb₂/₃ )O₃-PbTiO₃ (PMN-PT) have drawn much attention in the ferroelectric field because of their excellent piezoelectric properties and high electromechanical coupling coefficients (d₃₃~2000 pC/N, kt~60%) near the morphotropic phase boundary (MPB). Ternary Pb(In₁/₂Nb₁/₂)O₃-Pb(Mg₁/₃ Nb₂/₃)O₃-PbTiO₃ (PIN-PMN-PT) single crystals also possess outstanding performance comparable with PMN-PT single crystals, but have higher phase transition temperatures (rhombohedral to tetragonal T[sub rt], and tetragonal to cubic T[sub c]) and larger coercive field Ec. Therefore, these relaxor-based single crystals have been extensively employed for ultrasonic transducer applications. In this paper, an overview of our work and perspectives on using PMN-PT and PIN-PMN-PT single crystals for ultrasonic transducer applications is presented. Various types of single-element ultrasonic transducers, including endoscopic transducers, intravascular transducers, high-frequency and high-temperature transducers fabricated using the PMN-PT and PIN-PMN-PT crystals and their 2-2 and 1-3 composites are reported. Besides, the fabrication and characterization of the array transducers, such as phased array, cylindrical shaped linear array, high-temperature linear array, radial endoscopic array, and annular array, are also addressed.
URI: http://hdl.handle.net/10397/7488
EISSN: 1424-8220
DOI: 10.3390/s140813730
Rights: © 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
The following publication "Chen, Y., Lam, K. -., Zhou, D., Yue, Q., Yu, Y., Wu, J., . . . Dai, J. (2014). High performance relaxor-based ferroelectric single crystals for ultrasonic transducer applications. Sensors (Switzerland), 14(8), 13730-13758." is available at http://www.dx.doi.org/10.3390/s140813730
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