Complete mapping of magnetic anisotropy for prototype Ising van der Waals FePS${}_3$

Abstract

Several Ising-type magnetic van der Waals (vdW) materials exhibit stable magnetic ground states. Despite these clear experimental demonstrations, a complete theoretical and microscopic understanding of their magnetic anisotropy is still lacking. In particular, the validity limit of identifying their one-dimensional (1-D) Ising nature has remained uninvestigated in a quantitative way. Here we performed the complete mapping of magnetic anisotropy for a prototypical Ising vdW magnet FePS${}_3$ for the first time. Combining torque magnetometry measurements with their magnetostatic model analysis and the relativistic density functional total energy calculations, we successfully constructed the three-dimensional (3-D) mappings of the magnetic anisotropy in terms of magnetic torque and energy. The results not only quantitatively confirm that the easy axis is perpendicular to the $ab$ plane, but also reveal the anisotropies within the $ab$, $ac$, and $bc$ planes. Our approach can be applied to the detailed quantitative study of magnetism in vdW materials.

arXiv commentAccepted in IOP 2D Materials

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Cited by in corpus (6)

• Proximity effects in graphene on monolayers of transition-metal phosphorus trichalcogenides MPX${}_3$
• Observation of magnetization surface textures of the van der Waals antiferromagnet FePS3 by spin Hall magnetoresistance
• Probing magnetic anisotropy in Kagome antiferromagnetic Mn${}_3$Ge with torque magnetometry
• Magnetodielectric Properties in Two Dimensional Magnetic Insulators
• Magnetic anisotropy and magnetic ordering of transition-metal phosphorus trisulfides
• Crucial role of magnetic dipole and anomalous field dependence in $\mathrm{NiP}{\mathrm{S}}_3$