Preparation of 0.84(K0.48Na0.52)NbO3-0.16K0.56Li0.38NbO2.97 Lead-free Piezoelectric Ceramics by Multi-layer Process
ZHANG Zhi-Qiang, LIU Zhi-Fu, LI Yong-Xiang
Journal of Inorganic Materials . 2014, (1): 23 -27 .  DOI: 10.3724/SP.J.1077.2014.12718