Elastic, piezoelectric, and dielectric properties of multidomain 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 single crystals

被引:392
作者
Zhang, R [1 ]
Jiang, B [1 ]
Cao, WW [1 ]
机构
[1] Penn State Univ, Mat Res Lab, University Pk, PA 16802 USA
关键词
D O I
10.1063/1.1390494
中图分类号
O59 [应用物理学];
学科分类号
摘要
The elastic, piezoelectric, and dielectric constants of 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) domain engineered single crystal were determined experimentally by using ultrasonic and resonance methods. It was confirmed that the single crystal system has large electromechanical coupling coefficient k(33) (similar to 94%) and piezoelectric constant d(33) (similar to 2800 pC/N) if the poling is done along the [001] of pseudocubic directions. A soft shear mode with a velocity of 880 m/s was observed in the [110] direction with displacement in [(1) over bar 10]. Using the measured data, the orientation dependence of phase velocities and electromechanical coupling coefficients were calculated. The origin of experimental errors and their influence on measured results are also examined. (C) 2001 American Institute of Physics.
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页码:3471 / 3475
页数:5
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