1. Key Lab of Advanced Transducers and Intelligent Control System
2. Ministry of Education and Shanxi Province
3. College of Physics and Optoelectronics
4. Taiyuan University of Technology
5. Taiyuan 030024
6. State Key Laboratory of Rare Earth Resource Utilization
7. Changchun Institute of Applied Chemistry
8. Chinese Academy of Sciences
9. Changchun 130022
10. P. R. China