1. Jiangsu Key Laboratory of Artificial Functional Materials & Department of Materials Science and Engineering, Nanjing University, Nanjing 210093, China
2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
3. Department of Physics, Nanjing University, Nanjing 210093, China
4. Wuhan National High Magnetic Field Center and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
5. Institute for Superconducting and Electric Materials, University of Wollongong, Wollongong, New South Wales 2500, Australia
6. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China