1. Department of Electrical and Computer Engineering and Materials Science and Engineering Program
2. University of Houston
3. Houston
4. USA
5. Nanjing National Laboratory of Microstructures
6. School of Electronic Science and Engineering
7. Nanjing University
8. Nanjing 210093
9. China
10. Department of Physics and Engineering Physics
11. Morgan State University
12. Baltimore
13. Texas Center for Superconductivity