Journal
ADVANCED SCIENCE
Volume 7, Issue 22, Pages -Publisher
WILEY
DOI: 10.1002/advs.202001722
Keywords
2D materials; air-stable 2D ferromagnetism; ferromagnetism; MOKE; Ta3FeS6
Categories
Funding
- National Natural Science Foundation of China [21825103, 51727809]
- Hubei Provincial Natural Science Foundation of China [2019CFA002]
- Fundamental Research Funds for the Central University [2019kfyXMBZ018]
- Analytical and Testing Center at Huazhong University of Science and Technology
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2D ferromagnetic materials provide an important platform for the fundamental magnetic research at atomic-layer thickness which has great prospects for next-generation spintronic devices. However, the currently discovered 2D ferromagnetic materials (such as, CrI3, Cr2Ge2Te6, and Fe3GeTe2) suffer from poor air stability, which hinders their practical application. Herein, intrinsic long-range ferromagnetic order in 2D Ta(3)FeS(6)is reported, which exhibits ultrahigh stability under the atmospheric environment. The intrinsic ferromagnetism of few-layer Ta(3)FeS(6)is revealed by polar magneto-optical Kerr effect measurement, which exhibits giant MOKE response and has Curie temperature of approximate to 80 K. More importantly, few-layer Ta(3)FeS(6)nanosheet exhibits excellent air stability and its ferromagnetism remains unchanged after 4 months of aging under the atmosphere. This work enriches the family of 2D ferromagnetic materials, which will facilitate the research progress of spintronics.
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