Tunning the magnetic moment of hydrogen atom chemisorbed on perfect graphene by magnetic field

Abstract EN

The Anderson-Newns model is used to study the chemisorption process for hydrogen atom on perfect graphene with tunning the adatom magnetic moment.

The perfect graphene density of states is utilized to determine the (adatom/graphene) system electronic structure and the quantum coupling effects which are expressed by the broadening chemisorption function and the quantum shift.

The self-consistent solutions for the hydrogen atom occupation numbers show that the physical solution is magnetic for all normal distances from the graphene sheet.

Also, the metallic part of the chemisorption energy is the dominant one for all distance values, which gives the obvious description to the type of bonding formed with the graphene.

The existence of the magnetization on H/graphene is insured by calculating the density of states of the imperfect graphene.