Abstract
Abstract In this paper, we demonstrate by the density functional theory calculations that the monolayer CrSiTe 3 is an intrinsic ferromagnetic semiconductor. More importantly, ferromagnetic stability can be enhanced significantly by applying an elastic tensile stain, implying their potential applications in spintronic devices at room temperature. In addition, a ferromagnetic–antiferromagnetic transition occurs under the small compression stain. The underlying physical mechanism is attributed to a competition effect of direct antiferromagnetic interaction and indirect ferromagnetic superexchange interaction.
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