1. International Center for Materials Nanoarchitectonics (WPI-MANA); National Institute for Materials Science (NIMS); 1-1 Namiki, Tsukuba Ibaraki 305-0044 Japan
2. Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 P.R. China
3. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics; Chinese Academy of Sciences; Beijing 100049 P.R. China
4. TU-NIMS Joint Research Center, School of Material Science and Engineering; Tianjin University; Tianjin 300072 P.R. China
5. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 P.R. China