Abstract
Magnetism Single layers of several van der Waals materials have recently been shown to be magnetic. To use these extremely thin magnets for practical purposes, researchers must first learn about the nature of the magnetism that they possess. Abdul Wahab et al. studied one such material, CrI3, simulating its properties in both bulk and monolayer form and comparing these computational results with experimental data. The study showed that the magnetic interactions in CrI3 cannot be described by either Ising or Heisenberg models and instead require accounting for higher-order terms. The monolayer form of CrI3 was revealed to have metastable magnetic domains with very narrow domain walls, which could be exploited for future applications. Adv. Mater. 33 , 2004138 (2020).
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