1. Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China
2. School of Physical Sciences University of Chinese Academy of Sciences Beijing 100190 China
3. ISIS Facility STFC Rutherford Appleton Laboratory Chilton Oxford OX11 0QX UK
4. Highly Correlated Matter Research Group Physics Department University of Johannesburg P.O. Box 524 Auckland Park 2006 South Africa
5. Department of Physics 500 W. University Ave University of Texas at El Paso El Paso TX 79968 USA
6. Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China
7. Max Plank Institute for Chemical Physics of Solids Nöthnitzer Str. 40 D‐01187 Dresden Germany
8. National Synchrotron Radiation Research Center (NSRRC) 101 Hsin‐Ann Road Hsinchu 30076 Taiwan
9. Institute for Materials Discovery University College London Malet Place London WC1E 7JE UK