Author Affiliations

D. Baykusheva,¹ H. Jang,² A. Husain,^3,4 S. Lee,³ S. TenHuisen,^1,5 P. Zhou,¹ S. Park,^6,7 H. Kim,^6,7 J. Kim,^6,7 H.-D. Kim,² M. Kim,² S.-Y. Park,² P. Abbamonte,⁴ B. J. Kim,^6,7 G. D. Gu,⁸ Y. Wang,⁹ and M. Mitrano¹

¹Department of Physics, Harvard University, 17 Oxford Street, Cambridge, MA 02138, USA

²PAL-XFEL, Pohang Accelerator Laboratory, Pohang, Gyeongbuk 37673, Republic of Korea

³Department of Physics and Seitz Materials Research Laboratory, University of Illinois, Urbana, IL 61801, USA

⁴Quantum Matter Institute and Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

⁵John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA

⁶Department of Physics, Pohang University of Science and Technology, Pohang 37673, South Korea

⁷Center for Artificial Low Dimensional Electronic Systems, Institute for Basic Science (IBS), 77 Cheongam-Ro, Pohang 37673, South Korea

⁸Condensed Matter Physics and Materials Science, Brookhaven National Laboratory (BNL), Upton, NY 11973 USA

⁹Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29631, USA