Da Xu

Ying Wang^1,2, 

Zhen Li^1,2, 

YongSheng Liu¹, 

Yijie Li², 

Linfei Liu², 

Da Xu², 

Xiaojing Luo¹, 

Tian Gao^1,3, 

Yanyan Zhu^1,4, 

Luozeng Zhou³, 

Jianming Xu³ 

¹Department of Physics, Mathematics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, 

²Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics, Shanghai Jiao Tong University, 

³, Shanghai Institute of Space Power-sources, 

⁴Shanghai Key Laboratory of High Temperature Superconductors, Shanghai University