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

Selected angle dispersive x-ray diffraction patterns of CaB6 with pressure range from 1.9 GPa to 35.0 GPa. The top dotted line represents the pattern upon decompression to ambient pressure.