Pyroelectric properties of (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 and (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 single crystals measured using a dynamic method

被引：49

作者：

Davis, M ^{[1
]}

Damjanovic, D ^{[1
]}

Setter, N ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, EPFL, Ceram Lab, Dept Mat, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF APPLIED PHYSICS | 2004年 / 96卷 / 05期

关键词：

D O I：

10.1063/1.1775308

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The pyroelectric coefficients of 0.72Pb(Mg1/3Nb2/3)O-3-0.28PbTiO(3) (PMN-28PT), 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) (PMN-33PT), and 0.92 Pb(Zn1/3Nb2/3)O-3-0.08PbTiO(3) (PZN-8PT) single crystals, oriented and poled along three different crystallographic directions, [001](C), [011](C), and [111](C), have been measured using a dynamic method. The suffix C indicates reference to the prototypic cubic coordinate system. Large coefficients of up to 1070 mu C m(-2) K-1 have been observed for the [111](C) oriented, rhombohedral PMN-28PT and PMN-33PT samples, where the measurement direction corresponds to the polar axis of the crystal. For each composition and orientation two different poling procedures are compared, a commonly used field cooling method and a low temperature poling protocol. It was found that in otherwise pseudoorthorhombic samples of PZN-8PT, a room temperature rhombohedral phase could be stabilized by application of a field along the [111](C) direction while heating from -70degreesC. (C) 2004 American Institute of Physics.

引用

页码：2811 / 2815

页数：5

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