Relaxor ferroelectric single crystals exhibit orientation dependent hysteresis. In this study, combined bipolar electric field and compressive stress are applied to relaxor single crystals of [Pb(Zn1/3Nb2/3)O3]0.955-[PbTiO3]0.045 (PZN-4.5%PT) in a series of crystal orientations between h001i and h111i. The resulting bipolar electromechanical response is presented. The observed hysteresis and nonlinear phenomena related to polarization reorientation and phase transitions are discussed.
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Ozgul, M. , Furman, E. , Trolier-McKinstry, S. and Randall, C. A.2004. “Polarization Relaxation Anisotropy in Pb(Zn1/3Nb2/3)O3- PbTiO3 Single-crystal Ferroelectrics as a Function of Fatigue History,”J. Appl. Phys., 95(5): 2631-2638 .
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Shur, V. Y. , Rumyantsev, E. , Nikolaeva, E. , Shishkin, E. , Baturin, I. , Shur, A. , Lupascu, D. C. , Randall, C. and Ozgul, M.2002. “Fatigue Effect in Bulk Ferroelectrics,” In: Proceedings of SPIE, The International Society for Optical Engineering, San Diego, CA , Vol. 4699, pp. 40-50 .
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Takemura, K. , Ozgul, M. , Bornand, V. , Troller-McKinstry, S. and Randall, C. A.2000. “Fatigue Anisotropy in Single Crystal Pb(Zn1/3Nb2/3)O3-PbTiO3,”J. Appl. Phys., 88(12): 7272-7277 .
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Tan, X. , Xu, Z. , Shang, J. K. and Han, P.2000. “Direct Observations of Electric Field-induced Domain Boundary Cracking in h001i Oriented Piezoelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 Single Crystal,”Appl. Phys. Lett., 77(10): 1529-1531 .
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Yin, J. and Cao, W.2002. “Coercive Field of 0.955Pb(Zn1/3Nb2/3)O3-0.045PbTiO3 Single Crystal and its Frequency Dependence,”Appl. Phys. Lett., 80(6): 1043-1045 .
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Yu, H. and Randall, C. A.1999. “Dendritic Domain Configurations in Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals,”J. Appl. Phys., 86(10): 5733-5738 .
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Yu, H. , Gopalan, V. , Sindel, J. and Randall, C. A.2001. “Domain Switching and Electromechanical Properties of Pulse Poled Pb(Zn1/3Nb2/3)O3-PbTiO3 Crystals,”J. Appl. Phys., 89(1): 561-567 .
