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С. П. Репецький, І. Г. Вишивана, Д. К. Чешківський, В. В. Шастун
«Енергетичний спектр та електропровідність графену з домішкою хрому»
0023–0032 (2013)

PACS numbers: 71.15.Ap, 71.20.Tx, 71.27.+a, 71.28.+d, 72.10.-d, 72.25.-b, 72.80.Vp

Based on the model of strong coupling, the electronic structure, free energy, and spin-dependent transport of graphene with impurity Cr atoms adsorbed on the surface are studied. Geometric optimization of the crystal structure of graphene with Cr admixture is performed by minimizing the free energy. The influence of external magnetic field on electron transport and localized magnetic moments is studied. The nature of the spin-dependent electron transport in graphene with Cr atoms is ascertained. As shown, the magnitude of the spin-dependent transport is associated with a relative shift of the energy levels of electrons (Coulomb gaps arising at the Fermi level) for different spin projections in the external magnetic field.

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