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NiO掺杂对PMS-PZ-PT三元系陶瓷微结构和电性能的影响
Research on Microstructure and Piezoelectric Properties of PMS-PZ-PT Ceramics Doped with NiO
【摘要】 探讨了NiO掺杂量对PMS-PZ-PT三元系陶瓷的微观结构和电性能的影响.实验结果表明:随着掺杂量的增加,物相组成由四方相向三方相转变;NiO在PMS-PZ-PT材料中的固溶度比较小;当掺杂量为0.02wt%时,εr,d33,Qm等都有所提高,从而能获得好的压电性能,能满足超声马达实际使用的要求.
【Abstract】 The microstructure and piezoelectric properties of Pb0.98Sr0.02(Mn1/3 Sb2/3)x-(Zr0.5Ti0.5)1-xO3 ceramics were investigated systematically as a function of NiO-doping contents. Results show that, phases shift from tetragonal to rhombohedral phase with the increase of doping amounts, the solubility of NiO in PMS-PZ-PT ceramics is very small, and the composition with doping amount of 0.02wt% has superior piezoelectric properties. The modified compositions are practically suitable for ultrasonic motor (USM) applications.
【关键词】 PMS-PZ-PT;
NiO掺杂;
压电性能;
超声马达;
【Key words】 PMS-PZ-PT; NiO doping; piezoelectric properties; USM;
【Key words】 PMS-PZ-PT; NiO doping; piezoelectric properties; USM;
【基金】 国家自然科学基金(59782009);上海自然科学基金(00JC14055)
- 【文献出处】 无机材料学报 ,Journal of Inorganic Materials , 编辑部邮箱 ,2004年02期
- 【分类号】TQ174.1
- 【被引频次】11
- 【下载频次】102