Chris Jozwiak⁹, Aaron Bostwick⁹, Eli Rotenberg⁹, Liang Fu⁴, Thomas P. Devereaux^1,10, Xiaodong Xu^2,11, and Zhi-Xun Shen^{1,5,12,13,†}

• ¹Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
• ²Department of Physics, University of Washington, Seattle, Washington 98195, USA
• ³Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA
• ⁴Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
• ⁵Department of Applied Physics, Stanford University, Stanford, California 94305, USA
• ⁶Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
• ⁷Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
• ⁸Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
• ⁹Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
• ¹⁰Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, USA
• ¹¹Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, USA
• ¹²Department of Physics, Stanford University, Stanford, California 94305, USA
• ¹³Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA

• ^*Contact author: yjdeng@stanford.edu
• ^†Contact author: zxshen@stanford.edu