Fig. 5

Variation of the heat capacity at constant volume (CV) and the heat capacity at constant pressure (Cp) of the Cs2AgBiX6 (X = Br, Cl) compounds versus temperature and at different pressures, using the GGA approximation.

Variation of the heat capacity at constant volume (CV) and the heat capacity at constant pressure (Cp) of the Cs2AgBiX6 (X = Br, Cl) compounds versus temperature and at different pressures, using the GGA approximation.