Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8884
Title: Cryogenic transverse and shear mode properties of (1 - X)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystal with the optimal crystallographic direction
Authors: Wang, F
Shi, W
Or, SW 
Zhao, X
Luo, H
Keywords: Electrical properties
Electronic materials
Piezoelectricity
Issue Date: 2011
Publisher: Elsevier
Source: Materials chemistry and physics, 2011, v. 125, no. 3, p. 718-722 How to cite?
Journal: Materials chemistry and physics 
Abstract: The cryogenic transverse extensional and thickness shear properties of the (1 - x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystal with the optimal crystallographic directions were investigated in present work. With the temperature down to 78 K, a characteristic decrease in piezoelectric strain constants (d31, 2020-831 pC N-1 and d15, 4114-2823 pC N-1) and compliance coefficients (s11E, 95.3-50.6 × 10-12 m2 N-1 and s55E, 227-184 × 10-12 m2 N -1) was demonstrated. In comparison, the piezoelectric voltage constant (g31 and g15) and electromechanical coupling coefficient (k31 and k15) exhibits an almost temperature-independent behavior. Even at 78 K, high values of g31 ∼ 0.045 Vm N-1, g15 ∼ 0.057 Vm N-1, k31 ∼ 0.86, and k15 ∼ 0.94 can be obtained. Such superior low temperature piezoelectric performance is favorable for the cryogenic device designs and applications, especially for the hydrophones with high gij needed.
URI: http://hdl.handle.net/10397/8884
ISSN: 0254-0584
EISSN: 1879-3312
DOI: 10.1016/j.matchemphys.2010.09.067
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