研究了组分改变对PMN-PMS-PZT(铌锰酸铅-锑锰酸铅-锆钛酸铅)热释电陶瓷材料的相组成、介电性能、热释电性能等方面的影响,并对实验结果进行了分析.实验结果表明:通过改变材料Zr/Ti的比例,在陶瓷介电常数εr和介电损耗tanδ变化不大的情况下,使得热释电系数的峰值向室温附近移动;在Zr/Ti=95/5时,常温(28℃)下介电常数占εr=228.5、介电损耗tanδ=0.23%,热释电系数P=25.5×10-4C/m2℃,探测率优值FD=47.3×10-5Pa-1/2,此类材料符合制作热释电红外探测器的要求.
参考文献
| [1] | Seong Kon Kim;Young Ho Seo .Fabrication and characterization of the piezoelectric microtransformer based on microelectromechanical systems[J].Applied physics letters,2006(26):263510.1-263510.3. |
| [2] | Thiele C;Beyreuther E;Lin W M et al.Piezoelectrically induced resistance modulations in La0.7 SrO3 MnO3/Pb (Zr,Ti) O3 field effect devices[J].Applied Physics Letters,2005,87:162512. |
| [3] | Chung-Yuan Chang;Trevor Pi-chun Juan;Joseph Ya-min Lee .Fabrication and characterization of metal-ferroelectric (PbZr_(0.53)Ti_(0.47)O_(3))-insulator (Dy_(2)O_(3))-semiconductor capacitors for nonvolatile memory applications[J].Applied physics letters,2006(7):072917-1-072917-3-0. |
| [4] | 刘梅东;许毓春.压电铁电材料与器件[M].武汉:华中理工大学出版社,1990:88-90. |
| [5] | Carl K;Hardtl K H .Electrical After-Effects in Pb (Ti,Zr)O3 Ceramics[J].Ferroelectrics,1978,17:473-477. |
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