1. State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua-Foxconn Nanotechnology Research Center, Department of Physics, Tsinghua University, Beijing 100084, China.
2. Department of Physics, Beijing Normal University, Beijing 100875, China.
3. Fert Beijing Research Institute, School of Microelectronics and Beijing Advanced Innovation Centre for Big Data and Brain Computing (BDBC), Beihang University, Beijing 100191, China.
4. No. 58th Research Institute of China Electronics Technology Research Group Corporation, Wuxi 214035, China.
5. Frontier Science Center for Quantum Information, Beijing 100084, China.
6. Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, State Key Laboratory of Mechanics and Control of Mechanical Structures, and Institute of Nanoscience, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.