1. Department of Physics and Astronomy, Interdisciplinary Nanoscience Center, Aarhus University, 8000 Aarhus C, Denmark
2. Department of Physics and Shenzhen Institute for Quantum Science and Engineering (SIQSE), Southern University of Science and Technology, Shenzhen 518055, China
3. Dipartimento di Fisica, Università degli Studi di Trieste, 34127 Trieste, Italy
4. Elettra - Sincrotrone Trieste S.C.p.A., 34149 Basovizza, Italy
5. Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
6. Department of Physics and Astronomy, School of Electrical and Computer Engineering, and Purdue Quantum Science and Engineering Institute, Purdue University, West Lafayette, Indiana 47907, United States