1. Department of Physics, National Central University, Taoyuan 32001, Taiwan
2. Department of Physics, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
3. Department of Materials Science and Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
4. Synchrotron SOLEIL and Universite Paris-Saclay, L’Orme des Merisiers, BP48, 91190 Saint-Aubin, France
5. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan