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 relationship between volume and temperature of (a) pure graphene, (b) Si–graphene, (c) Ge–graphene, (d) Fe–graphene, and (e) Co–graphene sheets at different pressures.
