1. Fujian Provincial Solar Energy Conversion and Energy Storage Engineering Technology Research Center College of Physics and Energy Fujian Normal University Fuzhou 350117 China
2. Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials Fuzhou 350117 China
3. Fujian Provincial Collaborative Innovation Center for Advanced High‐Field Superconducting Materials and Engineering Fuzhou 350117 China
4. Institute of Inorganic Chemistry University of Cologne Greinstr.6 Cologne 50939 Germany