1. School of Materials Science and Engineering, Key Laboratory of Advanced Technology of Materials (Ministry of Education of China), Southwest Jiaotong University, Chengdu 610031, China
2. Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle (Ministry of Education of China), School of Electrical Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
3. State Key Laboratory of Organic - Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
4. Fujian Provincial Collaborative Innovation Center for Advanced High-Field Superconducting Materials and Engineering, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian 350117, China
5. Frontier Institute of Science and Technology (FIST), Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China