The origin of Néel-type magnetic skyrmion formation in the two-dimensional magnetic material ${\mathrm{Fe}}_3{\mathrm{GeTe}}_2$ is of significant theoretical interest due to its potential applications in spintronic devices. In this study, we investigate the magnetic exchange interactions in ${\mathrm{Fe}}_3{\mathrm{GeTe}}_2$ monolayers using density functional theory and Monte Carlo simulations. Our findings highlight the critical role of spin-orbit coupling (SOC) in the formation of noncollinear magnetic textures in ${\mathrm{Fe}}_3{\mathrm{GeTe}}_2$. We demonstrate that the energy differences induced by SOC vary with the spin-spiral vector, and that SOC significantly influences higher-order exchange interactions, which further affect the stability and formation of magnetic textures, including skyrmions.

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• Magnetic texture
• Skyrmions
• Spintronics
• First-principles calculations