Affiliation: | 1. Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, PR China;2. University of Science and Technology of China, Hefei 230026, PR China;3. Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230026, PR China;4. Anhui University of Science and Technology, Huainan 232001, PR China |