Direct synthesis of controllable ultrathin heteroatoms-intercalated 2D layered materials

Qianqian He, Kunpeng Si, Zian Xu, Xingguo Wang, Chunqiao Jin, Yahan Yang, Juntian Wei, Lingjia Meng, Pengbo Zhai, Peng Zhang, Peizhe Tang () and Yongji Gong ()
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Qianqian He: Beihang University
Kunpeng Si: Beihang University
Zian Xu: Beihang University
Xingguo Wang: Beihang University
Chunqiao Jin: Beihang University
Yahan Yang: Beihang University
Juntian Wei: Beihang University
Lingjia Meng: Beijing University of Technology
Pengbo Zhai: Beihang University
Peng Zhang: Beihang University
Peizhe Tang: Beihang University
Yongji Gong: Beihang University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Two-dimensional (2D) layered materials have been studied in depth during the past two decades due to their unique structure and properties. Transition metal (TM) intercalation of layered materials have been proven as an effective way to introduce new physical properties, such as tunable 2D magnetism, but the direct growth of atomically thin heteroatoms-intercalated layered materials remains untapped. Herein, we directly synthesize various ultrathin heteroatoms-intercalated 2D layered materials (UHI-2DMs) through flux-assisted growth (FAG) approach. Eight UHI-2DMs (V1/3NbS2, Cr1/3NbS2, Mn1/3NbS2, Fe1/3NbS2, Co1/3NbS2, Co1/3NbSe2, Fe1/3TaS2, Fe1/4TaS2) were successfully synthesized. Their thickness can be reduced to the thinnest limit (bilayer 2D material with monolayer intercalated TM), and magnetic ordering can be induced in the synthesized structures. Interestingly, due to the possible anisotropy-stabilized long-range ferromagnetism in Fe1/3TaS2 with weak interlayer coupling, the layer-independent magnetic ordering temperature of Fe1/3TaS2 was revealed by magneto-transport properties. This work establishes a general method for direct synthesis of heteroatom-intercalated ultrathin 2D materials with tunable chemical and physical properties.

Date: 2024
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DOI: 10.1038/s41467-024-50694-2

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