Properties of grain-oriented in ternary system based on lead titanate zirconate ceramics

被引：1
|
作者：
Barranco, AP [1 ]
Pinar, FC [1 ]
Guerra, JDS [1 ]
Martinez, OP [1 ]
机构：
[1] Univ Havana, Fac Phys, Inst Mat & Reagents Elect, Havana 10400, Cuba
来源：
FERROELECTRICS | 1998年 / 211卷 / 1-4期
关键词：
zirconate ceramics; La(2)O(3); polycrystalline;
D O I：
10.1080/00150199808232346
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polycrystalline PbZrO(3)-PbTiO(3) + 2.5mol% La(2)O(3) was prepared by hot pressing. The electrical and electromechanical properties of grain-oriented samples were measured. The permittivity and thermally stimulated current anisotropies between the parallel and perpendicular direction to the hot pressing axis were studied. The perpendicular sample shows a greater electromechanical coupling factor than that of the parallel sample. On the other hand, the dielectric losses are greater in the second case. These anisotropies are higher than those of other ferroelectric ceramics reported using the same preparation technique.
引用
收藏
页码：249 / 257
页数：9
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