1. School of Physics, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
2. CRANN, School of Physics, Trinity College Dublin, Dublin 2, Ireland
3. Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow District 142432, Russian Federation
4. Department of Physics, National Taiwan University, Taipei 10617, Taiwan
5. KSU-Aramco Center, King Saud University, Riyadh 11451, Saudi Arabia
6. HASYLAB at DESY, D-22607 Hamburg, Germany
7. Institut für Theoretische Physik, Universität Hamburg, Jungiusstrasse 9, D-20355 Hamburg, Germany
8. Helmholtz-Zentrum Berlin für Materialien und Energie, D-12489 Berlin, Germany
9. Freie Universität Berlin, D-14195 Berlin, Germany
10. MAX-lab, Lund University, Box 118, 22100 Lund, Sweden
11. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China
12. Electronic Engineering Institute, Hefei 230037, People’s Republic of China
13. Saudi Aramco Materials Performance Unit TSD, Research & Development Center, Dharhan 31311, Saudi Arabia