Beijing Zhong Ke San Huan High-Tech Co., Ltd., Beijing 100080;
Beijing Zhong Ke San Huan High-Tech Co., Ltd., Beijing 100080;
State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083;
State Key Laboratory of Magnetism, Institute of Physics and Center of Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;
State Key Laboratory of Magnetism, Institute of Physics and Center of Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;