* Corresponding authors

^a Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
E-mail: yan@ucas.ac.cn

^b Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich, JARA, 52425 Jülich, Germany

^c Department of Physics, RWTH Aachen University, 52056 Aachen, Germany

^d Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37916, USA

^e Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
E-mail: hu@sc.edu

^f School of Physics, University of Chinese Academy of Sciences, Beijing 100049, China

^g CAS Center for Excellence in Topological Quantum Computation, Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China
E-mail: gsu@ucas.ac.cn