1. Jiangxi Key Laboratory of Nanomaterials and Sensors
2. School of Physics
3. Communication and Electronics
4. Jiangxi Normal University
5. Nanchang 330022
6. Hunan Key Laboratory for Super-micro Structure and Ultrafast Process
7. School of Physics and Electronics
8. Central South University
9. Changsha 410083
10. China
11. School of Electrical
12. Electronic and Computer Engineering
13. The University of Western Australia
14. Crawley 6009
15. Australia