Table 1 The cohesive energies of different nanosheets in the unit of eV per atom
Nanosheets | Energies |
---|---|
Graphene | −7.95 |
Graphyne | −7.03 |
Silicene | −3.95 |
Silicyne | −3.11 |
Germanene | −2.60 |
SiC nanosheet | −5.97 |
c-Silicyne | −6.09 |
GeC | −4.91 |
c-Germanyne | −5.52a/ −5.55b |