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Ising-Type Magnetic Ordering in Atomically Thin FePS3
Cited 660 time in
Web of Science
Cited 690 time in Scopus
- Authors
- Issue Date
- 2016-12
- Publisher
- American Chemical Society
- Citation
- Nano Letters, Vol.16 No.12, pp.7433-7438
- Abstract
- Magnetism in two-dimensional materials is not only of fundamental scientific interest but also a promising candidate for numerous applications. However, studies so far, especially the experimental ones, have been mostly limited to the magnetism arising from defects, vacancies, edges, or chemical dopants which are all extrinsic effects. Here, we report on the observation of intrinsic antiferromagnetic ordering in the two-dimensional limit. By monitoring the Raman peaks that arise from zone folding due to antiferromagnetic ordering at the transition temperature, we demonstrate that FePS3 exhibits an Ising-type antiferromagnetic ordering down to the monolayer limit, in good agreement with the Onsager solution for two-dimensional order disorder transition. The transition temperature remains almost independent of the thickness from bulk to the monolayer limit with T-N similar to 118 K, indicating that the weak interlayer interaction has little effect on the antiferromagnetic ordering.
- ISSN
- 1530-6984
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