^a MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Physics, Xi’an Jiaotong University, Xi’an, Shaanxi, China
E-mail: yangsen@mail.xjtu.edu.cn

^b Department of Physics, The Chinese University of Hong Kong, New Territories, Shatin, Hong Kong, China

^c School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, China

^d School of Physics, Yale University, New Haven, Connecticut, USA

^e School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
E-mail: yanke@mail.xjtu.edu.cn

^f School of Physics and Astronomy, Cardiff University, 5 The Parade, Cardiff, Wales, UK
E-mail: dengh4@cardiff.ac.uk

^g Department of Applied Physics, Hong Kong Polytechnic University, Hong Kong, China
E-mail: C.H.Lam@polyu.edu.hk