1. Institute of Applied Physics and Materials Engineering
2. University of Macau
3. Macao SAR
4. P. R. China
5. New Industry Creation Hatchery Center
6. Tohoku University
7. Sendai
8. Japan
9. Department of Physics and Nanotechnology
10. Department of Physics
11. Southern University of Science and Technology
12. Shenzhen 518055
13. China