First principle calculations of thermodynamic properties of pure graphene sheet and graphene sheets with Si, Ge, Fe, and Co impurities
Kheyri A1, Nourbakhsh Z2, †,
       

The coefficient of volume thermal expansion (α) as a function of temperature for (a) pure graphene, (b) Si–graphene, (c) Ge–graphene, (d) Fe–graphene, and (e) Co–graphene sheets at different pressures.