Author Affiliations

Jason Horng,¹ Chi-Fan Chen,¹ Baisong Geng,¹ Caglar Girit,¹ Yuanbo Zhang,² Zhao Hao,^3,4 Hans A. Bechtel,³ Michael Martin,³ Alex Zettl,^1,5 Michael F. Crommie,^1,5 Y. Ron Shen,^1,5 and Feng Wang^†,1,5

¹Department of Physics, University of California at Berkeley, Berkeley, CA 94720, USA

²Department of Physics, Fudan University, Shanghai, 200433, China

³Advanced Light Source Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

⁴Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

⁵Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

^† fengwang76@berkeley.edu