Lattice Structure and Piezoelectric Properties of Pb(Mn1/3Nb2/3)O3-Pb(Zn1/3Nb2/3)O3- Pb(Zr0.52Ti0.48)O3 Ceramics

摘要：

Pb(Mn1/3Nb2/3)O3-Pb(Zn1/3Nb2/3)O3-Pb(Zr0.52Ti0.48)O3(designated as PMN-PZN- PZT) quaternary piezoelectric ceramics were prepared by the solid-state reaction. The effect of PMN content on the lattice structure and electrical properties were investigated. The results show that the pure perovskite phase form in ceramics. The lattice structure changed from tetragonal to rhombohedral and the lattice constant decreases with increasing PMN content. It was found that ε, d33 and Curie temperature Tc decreased while Qm increased with the increase of PMN content. The composition with 7.5mol％ PMN on PMN-PZN-PZT ceramics has the excellent piezoelectric properties, the dielectric constantεis 842, piezoelectric constant d33 is 225pC/N, electromechanical factor Kp is 0.57 with the high mechanical quality factor Qm amounted to 1156, which can meet the needs of high power piezoelectric smart devices.

关键词： piezoelectric ceramic lattice structure electrical properties curie temperature

作者: GAO Feng CHENG Li-hong LIU Xiang-chun WANG Chun-juan TIAN Chang-sheng

作者单位: College of Material Science, Northwestern Polytechnical University Xian 710072, China

会议类型: 国际会议

会议名称: The Second International Conference on Smart Materials & Structures in Aerospace Engineering(第二届航空宇航智能材料与结构国际研讨会)

会议地点: 南京

会议语种:英文

页码: 116-122

在线出版日期: 2006-09-24（万方平台首次上网日期，不代表论文的发表时间）