Model of Adsorption on Amorphous Graphene

Аннотация

A model of the density of states of single-sheet graphene is proposed. The model applies to both the energy region close to the Dirac point and the peripheral region. In the context of the model, the problem of adsorption is solved within an approximation that allows an analytical representation of the band contributions n_b to the occupation numbers of an adatom n_a. The amorphization-induced changes in the occupation numbers of alkali metal and halogen adatoms are estimated.