Electrical Properties of K 0.5Na 0.5NbO 3 Lead-free Piezoceramics by Pressureless Sintering
ZHANG Dong-Sheng, TIAN Ai-Fen
Journal of Inorganic Materials . 2013, (9): 967 -970 .  DOI: 10.3724/SP.J.1077.2013.12659