1 Department of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650093, China.
2 Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, 12180, USA.
3 Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
4 State Key Laboratory of Tribology, Tsinghua University, Beijing, 100084, China.
5 Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China.
6 Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China. gaolei@ustb.edu.cn.
7 Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich, Jülich, Germany.
8 School of Engineering, Brown University, Providence, RI, 02912, USA.
9 Department of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650093, China. vdmzsfj@qq.com.
10 Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, 12180, USA. shij4@rpi.edu.
11 Center for Materials, Devices, and Integrated Systems, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA. shij4@rpi.edu.