期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.046603
关键词
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资金
- Chair of Excellence Program of the Nanosciences Foundation in Grenoble, France
- French National Research Agency (ANR)
- European Union
- ICREA Funding Source: Custom
We report on first-principles calculations of spin-dependent properties in graphene induced by its interaction with a nearby magnetic insulator (europium oxide, EuO). The magnetic proximity effect results in spin polarization of graphene pi orbitals by up to 24%, together with a large exchange-splitting band gap of about 36 meV. The position of the Dirac cone is further shown to depend strongly on the graphene-EuO interlayer. These findings point toward the possible engineering of spin gating by the proximity effect at a relatively high temperature, which stands as a hallmark for future all-spin information processing technologies. DOI: 10.1103/PhysRevLett.110.046603
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