Researches and Developments of (Na0.5K0.5)NbO3-based Lead-free Piezoelectric Ceramics
DU Hong-Liang,LI Zhi-Min,ZHOU Wan-Cheng,QU Shao-Bo,PEI Zhi-Bin
Journal of Inorganic Materials . 2006, (6): 1281 -1291 .  DOI: 10.3724/SP.J.1077.2006.01281