1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link 637371, Singapore
2. State Key Laboratory of High Performance Computing, College of Computer Science and Technology, National University of Defense Technology, Changsha 410073, P.R. China
3. Physics Laboratory, Industrial Training Center, Shenzhen Polytechnic, Shenzhen, Guangdong 518055, P.R. China
4. Department of NanoEngineering and Program of Chemical Engineering, University of California San Diego, La Jolla, California 92093-0448, United States
5. Program of Materials Science and Engineering, University of California San Diego, La Jolla, California 92093-0418, United States
6. Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, P.R. China
7. Fert Beijing Institute, MIIT Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, P.R. China
8. Beihang-Goertek Joint Microelectronics Institute, Qingdao Research Institute, Beihang University, Qingdao 266000, P.R. China
9. Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology and School of Physics Science and Engineering, Tongji University, Shanghai 200092, P.R. China
10. College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, P.R. China
11. Insitute of Physics, Academia Sinica, Taipei 11529, Taiwan
12. College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, P.R. China
13. National Innovation Institute of Defense Technology, Academy of Military Sciences PLA China, Beijing 100010, P.R. China
14. Beijing Academy of Quantum Information Sciences, Beijing 100084, P.R. China
15. Beijing Institute for Advanced Study, National University of Defense Technology, Changsha 410073, P.R. China
16. School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore