期刊
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
卷 69, 期 7, 页码 297-302出版社
WALTER DE GRUYTER GMBH
DOI: 10.5560/ZNA.2014-0012
关键词
Graphene-Metal Interfaces; Density Functional Theory; Electronic Structure of Graphene
资金
- German Research Foundation (DFG) within the Priority Program 1459 'Graphene' [VO1711/3-1]
The electronic and magnetic properties of the graphene/Eu/Ni(111) intercalation-like system are studied in the framework of the general gradient approximation with the effective Coulomb potential (GGA+U) and dispersive interactions taken into account. Intercalation of monoatomic europium layer underneath graphene on Ni(111) leads to the drastic changes of the electronic structure of graphene compared to free-standing graphene as well as graphene/Ni(111). The strong influence of the spin-polarized europium 4f states, crossing the graphene-derived pi states, on magnetic properties of graphene and on spin-filtering properties of the graphene/Eu/Ni(111) trilayer is discussed.
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