1. Department of Physics, Indian Institute of Technology Madras, Chennai 600036, India
2. Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
3. Center for Artificial Low Dimensional Electronic Systems, Institute for Basic Science, Pohang 37673, Republic of Korea
4. Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
5. Institute of Physics, Academia Sinica, Taipei 10617, Taiwan
6. Quantum Centre of Excellence for Diamond and Emergent Materials, Indian Institute of Technology Madras, Chennai 600036, India