1 Institut Jean Lamour, Université de Lorraine, CNRS, UMR 7198, Nancy, France.
2 Laboratoire Albert Fert, CNRS, Thales, Université Paris-Saclay, Palaiseau, France.
3 Université de Toulouse, INSA-CNRS-UPS, LPCNO, Toulouse, France.
4 Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, Palaiseau, France.
5 Photonics and Terahertz Technology, Ruhr-Universität Bochum, Bochum, Germany.
6 Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China.
7 College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, China.
8 Platform Photonics Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan.
9 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China.
10 Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, USA.
11 Chemistry and Nanoscience Center, National Renewable Energy Laboratory, Golden, CO, USA.
12 Department of Physics, University at Buffalo, State University of New York, Buffalo, NY, USA.
13 Institut Jean Lamour, Université de Lorraine, CNRS, UMR 7198, Nancy, France. [email protected].