铌酸钾钠基无铅压电陶瓷的现状、机遇与挑战
王轲1, 沈宗洋1,2, 张波萍3, 李敬锋1

(K, Na)NbO3-based Lead-free Piezoceramics: Status, Prospects and Challenges
WANG Ke1, SHEN Zong-Yang1,2, ZHANG Bo-Ping3, LI Jing-Feng1
图3 Li掺杂KNN陶瓷在未极化、一次极化以及二次极化后的XRD图谱 [ 4 ]
Fig. 3 XRD Patterns of 222 and 004 lattice plane series for the sample 0.92Na 0.535 K 0.48 NbO 3 -0.08LiNbO 3 , both before and after the first poling, as well as after the second poling [ 4 ]