1. Department of Electrical and Computer Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA.
2. School of Information Science and Technology, ShanghaiTech University, Shanghai 200031, China.
3. International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China.
4. Department of Physics and Astronomy, University of California, Irvine, Irvine, CA 92697, USA.
5. Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany.
6. Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.
7. National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310-3706, USA.
8. Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA.
9. Department of Physics, University of California, Los Angeles, Los Angeles, CA 90095, USA.