期刊
NANOSCALE
卷 12, 期 44, 页码 22735-22742出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nr04837b
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资金
- Natural Science Foundation of China [11904203]
- Fundamental Research Funds of Shandong University [2019GN065]
The development of two-dimensional (2D) intrinsic ferromagnetic semiconductors is urgent in the spintronic field. Motivated by the recent experiments on the successful synthetization of monolayer (ML) Janus transition-metal dichalcogenides (MoSSe) and ferromagnetic (FM) VSe2, a highly stable ML Janus 2H-VSeTe is fabricated by density functional theory and confirmed by a global minimum search. The Janus VSeTe shows a large valley polarization of 158 meV as the space- and time-reversal symmetry is broken. The VSeTe shows FM order with Curie temperature (T-c) of 350 K and a sizable magnetocrystalline anisotropy (MCA) of -8.54 erg cm(-2). The high T-c and large valley polarization suggest the 2D Janus VSeTe is a promising magnetic material for potential applications in electronics, spintronics, and valleytronics.
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