Uniaxial-stress induced phase transitions in [001]C-poled 0.955Pb(Zn1/3Nb2/3)O3-0.045PbTiO3

被引：23
作者：
Janolin, Pierre-Eymeric [1 ]
Dkhil, Brahim
Davis, Matthew
Damjanovic, Dragan
Setter, Nava
机构：
[1] Ecole Cent Paris, Lab Struct Propietes & Modelisat Solides, CNRS, F-92295 Chatenay Malabry, France
[2] Swiss Fed Inst Technol, EPFL, Ceram Lab, CH-1015 Lausanne, Switzerland
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 15期
关键词：
Phase transitions;
D O I：
10.1063/1.2721856
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
First order rhombohedral to orthorhombic stress-induced phase transitions have been evidenced by bulk charge-stress measurements and x-ray diffraction derived lattice strain measurements in [001](C)-poled 0.955Pb(Zn1/3Nb2/3)O-3-0.045PbTiO(3) (PZN-4.5PT). The transitions are induced by uniaxial compressive loads applied either along or perpendicular to the poling direction. In each case, they occur via rotation of the polar vector in the Cm monoclinic plane and the induced lattice strain is hysteretic yet reversible. Although no depoling is observed in the transverse mode net depolarization is observed under longitudinal stress which is important for the use of [001](C)-poled PZN-PT and (1-x)Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) single crystals in Tonpilz-type underwater projectors. (c) 2007 American Institute of Physics.
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