1. Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
2. Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, USA
3. Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China
4. Department of Materials Science and Engineering, Institute of Materials Genome and Big Data, Harbin Institute of Technology, Shenzhen, Guangdong 518055, China