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<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>VI</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> : A two-dimensional Ising ferromagnet
Two-dimensional (2D) magnetic materials are of great current interest for their promising applications in spintronics. Here we propose the van der Waals (vdW) material ${\mathrm{VI}}_{3}$ to be a 2D Ising ferromagnet (FM), using density functional calculations, crystal field level diagrams, superexchange model analyses, and Monte Carlo simulations. The ${a}_{1g}^{1}{e}^{\ensuremath{'}}_{\ensuremath{-}}^{1}$ ground …