This work was supported by National Science Foundation of China(NSFC Nos.59972020,50410179,50572066,50772068,and 50972095);Foundation of Doctor Training Programin University and College in China(Nos.20030610035 and 20080610020).The author thanks Mrs.Wu Wenjuan for her assistance in preparing the manuscript。
The research on lead-free piezoelectric ceramics has been one of the importantfields worldwide for years for the sustainable development of the world.In recent years,the author and his group concentrated their work on...