1. Shenzhen Geim Graphene Center (SGC)
2. Tsinghua-Berkeley Shenzhen Institute (TBSI) & Tsinghua Shenzhen International Graduate School (TSIGS)
3. Tsinghua University
4. Shenzhen 518055
5. China
6. Department of Applied Physics
7. School of Physics and Electronics
8. Hunan University
9. Changsha 410082