1. Wuhan National Laboratory
for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, China
2. Department of Materials Science and Engineering, University of California Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095-9000, United States
3. Advanced Optoelectronic Technology Center, National Cheng Kung University, No. 1, University Road, East District, Tainan
City 70101, Taiwan
4. Wuhan National
High Magnetic Field Center, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, China