铌镁酸铅—钛酸铅系陶瓷多晶相界附近的压电、介电特性  

THE PIEZOELECTRIC AND DIELECTRIC BEHAVIOR OF PMN-PT CERAMICS ACROSS THE MORPHOTROPIC BOUNDARY

作　　者：夏峰[1] 张良莹[2] 姚熹[2] 

机构地区：[1]西安交通大学电子材料研究所,西安市710049 [2]西安交通大学

出　　处：《材料研究学报》1997年第5期550-552,共3页Chinese Journal of Materials Research

摘　　要：在多晶相界（MPB）附近，PMN－PT体系的压电系数d33达到367pC·N-1,平面机电耦合系数kp达到46％The piezoelectric and dielectric behavior were studied in PMN-PT system across the morphotropic phase boundary (MPB). In the region of the MPB, high dielectric and piezoelectric characters were obtained, d33 = 367pC. N-1, kp= 46%. And the relative fraction of tetragonal phase was estimated by XRD method.

关 键 词：铌镁酸铅 钛酸铅 多晶相界 压电性能 驰豫铁电体 

分 类 号：TM221.014[一般工业技术—材料科学与工程]