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9 a Mn掺杂Ba 0.95 Sr 0.05 TiO 3 陶瓷的电致形状记忆效应与BaTiO 3 及PZT的线性压电效应对比, b Mn掺杂的 KNbO 3 基压电陶瓷老化前后的电致应变 [ 11 , 14 ]
Fig. 9 a Comparison of the nonlinear recoverable electrostrain in Ba 0.95 Sr 0.05 TiO 3 -1Mn ceramics with linear piezoelectric strain of BaTiO 3 and PZT ceramics and b bipolar electrostrain curves for the aged and fresh Mn-doped KNbO 3 based piezoelectric ceramics [ 11 , 14 ]