Structural stability and vibrational characteristics of CaB6 under high pressure
Liu Mingkun, Tian Can, Huang Xiaoli, Li Fangfei, Huang Yanping, Liu Bingbing, Cui Tian
       

The volume of CaB6 at different pressures. The square symbols represent experiment data, and solid-black lines are the results after fitting. The pressure-volume data is fitted by third-order Birch–Murnaghan equation of state.