压电材料中缺陷偶极子特性的研究进展

杜刚, 梁瑞虹, 李涛, 卢晓蓉, 王根水, 董显林

Recent Progress on Defect Dipoles Characteristics in Piezoelectric Materials

DU Gang, LIANG Rui-Hong, LI Tao, LU Xiao-Rong, WANG Gen-Shui, DONG Xian-Lin

图3 含有缺陷偶极子的压电陶瓷极化老化后的a电滞回线, b极化反转电流-电场曲线, c电畴反转示意图图中 P 是自发极化, E i 是内偏场 [ 18 ]
Fig. 3 Schematic representation of a asymmetric polarization hysteresis curve b I - E curve c domain switching of aged piezoelectric ceramics containing defect dipoles P denotes spontaneous polarization, E i denotes internal bias field [ 18 ]