期刊
SCIENTIFIC REPORTS
卷 4, 期 -, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/srep07368
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资金
- National Natural Science Foundation of China [51171126]
- Key Project of the Natural Science Foundation of Tianjin City [12JCZDJC27100]
- Program for New Century Excellent Talents in University [NCET-13-0409]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
- King Abdullah University of Science and Technology (KAUST)
We analyze the electronic structure of interfaces between two-, four- and six-layer Gd(0001) and monolayer MoS2 by first-principles calculations. Strong chemical bonds shift the Fermi energy of MoS2 upwards into the conduction band. At the surface and interface the Gd f states shift to lower energy and new surface/interface Gd d states appear at the Fermi energy, which are strongly hybridized with the Mo 4d states and thus lead to a high spin-polarization (ferromagnetically ordered Mo magnetic moments of 0.15 mu(B)). Gd therefore is an interesting candidate for spin injection into monolayer MoS2.
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