Journal
ACS NANO
Volume 15, Issue 10, Pages 16236-16241Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.1c05232
Keywords
vanadium diselenide; 2D semiconductor; low dimensional ferromagnetism; 2D magnet; magnetic circular dichroism microscopy; structural anisotropy
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Funding
- Croucher Foundation
- Research Grant Council of Hong Kong [AoE/P-701/20, 17304518, CRF C7036-17W]
- Ministry of Science and Technology of the People's Republic of China [MOST 2020YFA0309603]
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This study reports a 2D ferromagnetic semiconductor material, 2H-phase vanadium diselenide (VSe2), showing enhanced magnetic ordering due to structural anisotropy at the 2D limit. This material only exhibits ferromagnetism in its 2D form, making it a promising candidate for miniature spintronics and information storage devices.
Two-dimensional (2D) van der Waals ferromagnets carry the promise of ultimately miniature spintronics and information storage devices. Among the 2D ferromagnets, all inherit the magnetic ordering from their bulk ancestors. Here we report a 2D ferromagnetic semiconductor at room temperature, 2H-phase vanadium diselenide (VSe2), which shows ferromagnetic at the 2D form only. This 2D ferromagnetic semiconductor manifests an enhanced magnetic ordering owing to structural anisotropy at the 2D limit.
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