1. School of Materials Science and Engineering Peking University Beijing 100871 P. R. China
2. Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Magneto‐Photoelectrical Composite and Interface Science School of Mathematics and Physics University of Science and Technology Beijing 100083 P. R. China
3. Institute of Physics & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
4. Songshan Lake Materials Laboratory Dongguan Guangdong 523808 P. R. China