To the model description of electronic spectrum for the graphene-like Janus structures
Davydov C. Yu. 1
1Ioffe Institute, St. Petersburg, Russia
Email: Sergei_Davydov@mail.ru
Model of C-AB-D Janus structure as the compound formed by the interacting through atoms A and B dimers A-C and B-D, where A and B atoms are in the sites of two-dimensional hexagonal lattice and C and D atoms are on the opposite sides from AB list is proposed. In the scope of tight-binding theory and Green's function method general equation for the dispersion low is obtained. The particular cases of C-AA-D and A-AB-B compounds are considered and analytical expressions for their electronic spectra is fulfilled. The effect of the external mechanical deformation on the band parameters including effective masses is examined. Problem of the magnetic states in Janus compounds is discussed. Keywords: model of interacting dimers, electronic spectrum, effect of deformation, magnetic states.
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Дата начала обработки статистических данных - 27 января 2016 г.