Abstract
We investigated the influence of Li and F adsorption on the ferromagnetism and magnetic anisotropy energy of CrBr3 monolayer based on the first-principles calculations. It is observed that Li adsorption can dramatically enhance its ferromagnetism, and tune its easy magnetization axis to the in-plane direction from original out-of-plane. The monotonic enhancement of in-plane magnetism in CrBr3 as the coverage of Li increases is attributed to electrostatic doping induced by charge transfer between Li atoms and Br atoms. By contrast, the F adsorption reduces the out-of-plane magnetism in CrBr3 as the coverage of F increases, but keeps the original easy magnetization. Our results may open new promising applications of CrBr3-based materials in spintronic devices.
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Funding
This work was supported by the Discipline Project of Shanghai Polytechnic University (grant no. XXKZD1605), by the Natural Science Foundation of Shanghai (grant no. 19ZR1419800), by the Research Center of Opto-Electrical Sensering, the Research Center of Resource Recycling Science and Engineering, Shanghai Polytechnic University, and Gaoyuan Discipline of Shanghai-Environmental Science and Engineering (Resource Recycling Science and Engineering).
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Luo, M., Shen, Y.H. Exploitable Magnetic Anisotropy of Magnetic CrBr3 Monolayer. Jetp Lett. 112, 58–63 (2020). https://doi.org/10.1134/S0021364020130019
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DOI: https://doi.org/10.1134/S0021364020130019