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Crystals 2014, 4(3), 306-330; doi:10.3390/cryst4030306

Advances in the Growth and Characterization of Relaxor-PT-Based Ferroelectric Single Crystals

1
TRS Technologies, Inc., State College, PA 16801, USA
2
Material Research Institute, Pennsylvania State University, University Park, PA 16802, USA
*
Author to whom correspondence should be addressed.
Received: 29 April 2014 / Revised: 7 May 2014 / Accepted: 4 June 2014 / Published: 16 July 2014
(This article belongs to the Special Issue Piezoelectric Crystals)
View Full-Text   |   Download PDF [3842 KB, 17 July 2014; original version 16 July 2014]   |  

Abstract

Compared to Pb(Zr1−xTix)O3 (PZT) polycrystalline ceramics, relaxor-PT single crystals offer significantly improved performance with extremely high electromechanical coupling and piezoelectric coefficients, making them promising materials for piezoelectric transducers, sensors and actuators. The recent advances in crystal growth and characterization of relaxor-PT-based ferroelectric single crystals are reviewed in this paper with emphases on the following topics: (1) the large crystal growth of binary and ternary relaxor-PT-based ferroelectric crystals for commercialization; (2) the composition segregation in the crystals grown from such a solid-solution system and possible solutions to reduce it; (3) the crystal growth from new binary and ternary compositions to expand the operating temperature and electric field; (4) the crystallographic orientation dependence and anisotropic behaviors of relaxor-PT-based ferroelectriccrystals; and (5) the characterization of the dielectric, elastic and piezoelectric properties of the relaxor-PT-based ferroelectriccrystals under small and large electric fields. View Full-Text
Keywords: relaxor-based ferroelectric crystals; composition segregation; anisotropic behavior; piezoelectric properties; dielectric properties relaxor-based ferroelectric crystals; composition segregation; anisotropic behavior; piezoelectric properties; dielectric properties
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Luo, J.; Zhang, S. Advances in the Growth and Characterization of Relaxor-PT-Based Ferroelectric Single Crystals. Crystals 2014, 4, 306-330.

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