1. Department of Microelectronic Science and Engineering
2. School of Physical Science and Technology
3. Ningbo University
4. Ningbo 315211
5. P. R. China
6. State Key Laboratory of Functional Materials for Informatics
7. Shanghai Institute of Microsystem and Information Technology
8. Chinese Academy of Sciences
9. Shanghai 200050
10. State Key Laboratory of Integrated Optoelectronics
11. Institute of Semiconductors
12. Beijing 100083
13. School of Microelectronics
14. Shandong University
15. Jinan 250100
16. Key Laboratory for Magnetism and Magnetic Materials (MoE)
17. Lanzhou University
18. Lanzhou 730000
19. School of Chemical and Biomedical Engineering
20. Nanyang Technological University
21. Singapore