1. Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha410082, China
2. State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha410082, China
3. China National Supercomputing Center in Changsha, HunanChangsha410082, China
4. School of Physics and Electronic Engineering, Harbin Normal University, Harbin150025, China