Calculations of double-sided coverage of transition metals on graphene

We study the properties of transition metal atoms adsorbed in high coverage on graphene using first principles density functional theory. While there have been many studies on single-sided coverage of adatoms on graphene, we focus on coverage of both sides of graphene. We have observed systems with significantly stronger binding with double-sided coverage than systems with only single-sided coverage. We discuss the effect of double-sided coverage on the electronic structure of these systems.