Affiliation: | a Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China b Department of Material Engineering, China Jiliang University, Hangzhou 310018, China c High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China d Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China |