1. Center for Dielectrics and Piezoelectrics
2. Materials Research Institute
3. Department of Material Science and Engineering
4. The Pennsylvania State University
5. USA
6. School of Physics and Information Technology
7. Shaanxi Normal University
8. Xi'an
9. P. R. China
10. Department of Electrical Engineering
11. National Cheng Kung University
12. Tainan City 701
13. Republic of China