Affiliation: | 1.Superconductivity and New Energy R&D Center, and Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle, Ministry of Education, Southwest Jiaotong University, Chengdu, 610031, China ;2.School of Physical Science and Technology, Southwest Jiaotong University, Chengdu, 610031, China ;3.Fujian Provincial Collaborative Innovation Center for Advanced High-Field Superconducting Materials and Engineering, Fuzhou, 350117, China ;4.College of Physics and Energy, Fujian Normal University, Fuzhou, 350117, Fujian, China ; |