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Effect of Ho dopant on the ferromagnetic characteristics of MoS2 nanocrystals

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Abstract

Transition-metal dichalcogenides (TMDs) have been widely studied for decades in the spintronic device application. However, designing and tuning the magnetic properties of molybdenum disulphide (MoS2) is still a great challenge. In this work, the as-synthesized MoS2:Ho3+ nanocrystals exhibit robust room-temperature ferromagnetism and the ferromagnetism is controlled by different doping concentrations of Ho3+ ions. The maximum saturation magnetization is 0.055 emu g−1. Based on first-principles calculations, the intrinsic ferromagnetic and the changed electronic properties are introduced by Ho3+ doping. The as-obtained MoS2:Ho3+ nanocrystals with intrinsic ferromagnetism may be a potential candidate in the spintronics field and this approach may be employed in the magnetic applications of other TMDs.

Graphical abstract: Effect of Ho dopant on the ferromagnetic characteristics of MoS2 nanocrystals

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Publication details

The article was received on 13 Sep 2018, accepted on 22 Nov 2018 and first published on 05 Dec 2018


Article type: Paper
DOI: 10.1039/C8CP05790G
Citation: Phys. Chem. Chem. Phys., 2019, Advance Article
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    Effect of Ho dopant on the ferromagnetic characteristics of MoS2 nanocrystals

    Q. Zhao, C. Zhai, Q. Lu and M. Zhang, Phys. Chem. Chem. Phys., 2019, Advance Article , DOI: 10.1039/C8CP05790G

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