Affiliation: | LI Ping;ZHANG Jun;ZHAI Fuqiang;MA Guang;XU Li;QU Xuanhui;State Key Laboratory for Advanced Metals and Materials, Institute for Advanced Materials and Technology, University of Science and Technology Beijing;Department of Applied Physics, EETAC, Polytechnic University of Catalonia,Castelldefels 08860, Spain;State Grid Smart Research Institute; |