Affiliation: | 1.School of Physics and Materials Science, Anhui University, Hefei, 230601, People’s Republic of China ;2.Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, 230031, People’s Republic of China ;3.Anhui Key Laboratory of Information Materials and Devices, Hefei, 230601, People’s Republic of China ;4.Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900, People’s Republic of China ; |