1. Key Laboratory of Functional Inorganic Material ChemistryMinistry of Education of the People’s Republic of ChinaSchool of Chemistry and Materials ScienceHeilongjiang University Harbin 150080 P. R. China
2. Department of Chemistry and BiochemistryKent State University Kent OH 44242 USA
3. Hefei National Laboratory for Physical Sciences at the MicroscaleDepartment of Chemical PhysicsSynergetic Innovation Center of Quantum Information and Quantum PhysicsUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
4. Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai 201800 P. R. China
5. JEOL (Beijing) Co. Ltd. 6, Zhongguancun‐Nansan Street Beijing 100080 P. R. China
6. Dalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian 116023 P. R. China
7. Canadian Light SourceUniversity of Saskatchewan Saskatoon SK S7N 2V3 Canada