Journal
NANOSCALE
Volume 10, Issue 37, Pages 18036-18042Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr06368k
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Funding
- National Key Research and Development Program of China [2017YFA0204800]
- Natural Science Foundation of China [21525311, 21773027]
- Jiangsu 333 project [BRA2016353]
- Fundamental Research Funds for the Central Universities of China
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Two-dimensional (2D) ferromagnetic semiconductors (FMSs) are desirable for their potential to enhance the functionality of semiconductor devices via the utilization of spin degrees of freedom. Herein, we predict a series of intrinsic FMS monolayers in the chromium sulfide halide CrSX (X = Cl, Br, I) family with large spin polarization, large magnetic moments and high Curie temperatures. Such CrSCl and CrSBr monolayers also have high hole mobilities up to 6.6 x 10(3) and 5.3 x 10(3) cm(2) V-1 s(-1), respectively. Furthermore, these 2D monolayers exhibit excellent dynamic and thermal stabilities and a small exfoliation energy from the bulk. These intrinsic FMSs with their high mobilities may provide competitive candidates for next-generation spintronics and electronics.
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