Complete set of material constants of single domain (K, Na)(Nb, Ta)O3 single crystal and their orientation dependence

Limei Zheng; Shiyang Li; Shijing Sang; Junjun Wang; Xiaoqing Huo; Rui Wang; Zhongyuan Yuan; Wenwu Cao

doi:10.1063/1.4902548

Complete set of material constants of single domain (K, Na)(Nb, Ta)O₃ single crystal and their orientation dependence

Limei Zheng, Shiyang Li, Shijing Sang, Junjun Wang, Xiaoqing Huo, Rui Wang, Zhongyuan Yuan, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

A self-consistent complete set of dielectric, piezoelectric, and elastic constants for single domain Ta modified (K, Na)NbO₃ (KNN) crystal was determined. This full set constant for single domain KNN-based crystals allowed the prediction of orientation dependence of the longitudinal dielectric, piezoelectric, elastic coefficients, and electromechanical coupling factors. The maximum piezoelectric and electromechanical properties were found to exist near [001]_C. In addition, material constants of [001]_C poled domain engineered single crystal with 4mm symmetry were experimentally measured and compared with the calculated values. Based on this, extrinsic contribution to the piezoelectricity was estimated to be ∼20%.

Original language	English (US)
Article number	212902
Journal	Applied Physics Letters
Volume	105
Issue number	21
DOIs	https://doi.org/10.1063/1.4902548
State	Published - Nov 24 2014

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4902548

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title = "Complete set of material constants of single domain (K, Na)(Nb, Ta)O3 single crystal and their orientation dependence",

abstract = "A self-consistent complete set of dielectric, piezoelectric, and elastic constants for single domain Ta modified (K, Na)NbO3 (KNN) crystal was determined. This full set constant for single domain KNN-based crystals allowed the prediction of orientation dependence of the longitudinal dielectric, piezoelectric, elastic coefficients, and electromechanical coupling factors. The maximum piezoelectric and electromechanical properties were found to exist near [001]C. In addition, material constants of [001]C poled domain engineered single crystal with 4mm symmetry were experimentally measured and compared with the calculated values. Based on this, extrinsic contribution to the piezoelectricity was estimated to be ∼20%.",

author = "Limei Zheng and Shiyang Li and Shijing Sang and Junjun Wang and Xiaoqing Huo and Rui Wang and Zhongyuan Yuan and Wenwu Cao",

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T1 - Complete set of material constants of single domain (K, Na)(Nb, Ta)O3 single crystal and their orientation dependence

AU - Zheng, Limei

AU - Li, Shiyang

AU - Sang, Shijing

AU - Wang, Junjun

AU - Huo, Xiaoqing

AU - Wang, Rui

AU - Yuan, Zhongyuan

AU - Cao, Wenwu

PY - 2014/11/24

Y1 - 2014/11/24

N2 - A self-consistent complete set of dielectric, piezoelectric, and elastic constants for single domain Ta modified (K, Na)NbO3 (KNN) crystal was determined. This full set constant for single domain KNN-based crystals allowed the prediction of orientation dependence of the longitudinal dielectric, piezoelectric, elastic coefficients, and electromechanical coupling factors. The maximum piezoelectric and electromechanical properties were found to exist near [001]C. In addition, material constants of [001]C poled domain engineered single crystal with 4mm symmetry were experimentally measured and compared with the calculated values. Based on this, extrinsic contribution to the piezoelectricity was estimated to be ∼20%.

AB - A self-consistent complete set of dielectric, piezoelectric, and elastic constants for single domain Ta modified (K, Na)NbO3 (KNN) crystal was determined. This full set constant for single domain KNN-based crystals allowed the prediction of orientation dependence of the longitudinal dielectric, piezoelectric, elastic coefficients, and electromechanical coupling factors. The maximum piezoelectric and electromechanical properties were found to exist near [001]C. In addition, material constants of [001]C poled domain engineered single crystal with 4mm symmetry were experimentally measured and compared with the calculated values. Based on this, extrinsic contribution to the piezoelectricity was estimated to be ∼20%.

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Complete set of material constants of single domain (K, Na)(Nb, Ta)O₃ single crystal and their orientation dependence

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