1. College of Physics, Sichuan University, Chengdu, 610064 Sichuan, P. R. China
2. Key Laboratory of High Energy Density Physics of Ministry of Education, Sichuan University, Chengdu, 610064 Sichuan, P. R. China
3. Key Laboratory of Radiation Physics and Technology of Ministry of Education, Sichuan University, Chengdu, 610064 Sichuan, P. R. China
4. Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
5. Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Pullman, Washington 99164, United States