论文部分内容阅读
Bi0.5Na0.5-BaTiO3,Bi0.5(Na,K)0.5TiO3,and bismuth layer (Bi2O2)2+(Am-1BmO3m+1)2- piezoelectric ceramics are very important lead free piezoelectric ceramics.Several lead free piezoelectric ceramics,Bi0.5Na0.5-BaTiO,Bi0.5( Na,K)0.5TiO3,and bismuth layer (Bi2O2)2+(Am-1BmO3m+1)2- based piezoelectric ceramics has been investigated by our group.