1. Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, United States
2. Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, United States
3. Department of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Duisburg 47057, Germany
4. Department of Physics, Indian Institute of Science, Bengaluru 560 012, India
5. Swiss Light Source, Paul Scherrer Institute, 5232 Villigen, Switzerland
6. National Institute of Materials Physics, 077125 Atomistilor 405A, Magurele, Romania
7. Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
8. Collaborative Innovation Center of Quantum Matter, Beijing 100190, People’s Republic of China
9. Diamond Light Source Ltd., Didcot, Oxfordshire OX11 0DE, United Kingdom
10. New Technologies-Research Center, University of West Bohemia, CZ-30614 Pilsen, Czech Republic