1. Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Richland WA 99354 USA
2. School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore
3. Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100039 China
4. University of Chinese Academy of Sciences Beijing 100049 China
5. Department of Material Science & Engineering National University of Singapore Singapore 117575 Singapore
6. NUS Graduate School for Integrative Sciences and Engineering National University of Singapore Singapore 117456 Singapore
7. Department of Physics Faculty of Science National University of Singapore Singapore 117542 Singapore
8. Environmental Molecular Sciences Laboratory Pacific Northwest National Laboratory Richland WA 99352 USA
9. School of Physical Engineering Zhengzhou University Zhengzhou Henan 450001 China