1. State Key Laboratory on Integrated Optoelectronics and College of Electronic Science & Engineering
2. Jilin University
3. Changchun 130012
4. P. R. China
5. Solid State functional Materials Research Laboratory
6. Ningbo Institute of Materials Technology and Engineering
7. Chinese Academy of Sciences
8. Ningbo
9. China
10. Department of Metallurgical and Materials Engineering
11. Indian Institute of Technology Madras
12. Chennai 600036
13. India
14. The Abdus Salam International Centre for Theoretical Physics (ICTP)
15. Trieste
16. Italy