1. Electronic Materials Research Laboratory; Key Laboratory of the Ministry of Education; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
2. National Key Laboratory of Schock Wave and Detonation Physics; Institute of Fluid Physics; CAEP; Mianyang 621900 China
3. State Key Laboratory of Electrical Insulation and Power Equipment; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China