1 Beijing Advanced Innovation Center for Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, China.
2 Department of Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung, Düsseldorf, Germany.
3 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.
4 College of Materials Science and Engineering, Chongqing University, Chongqing, China.
5 Institute of Applied Mechanics, Zhejiang University, Hangzhou, China.
6 School of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
7 Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, TN, USA.
8 Center for High Pressure Science and Technology Advanced Research, Pudong, Shanghai, China.
9 Department of Materials Science and Engineering, University of Tennessee, Oak Ridge, TN, USA.
10 Beijing Advanced Innovation Center for Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, China. luzp@ustb.edu.cn.
Change history: In this Letter, owing to a production error, all the data points (except the two points for O-2 and N-2, respectively) were missing in Fig. 1b. The figure has been corrected online.