Room-temperature ferromagnetism and half-metallicity in monolayer orthorhombic CrS2
Frontiers of Physics(2024)
摘要
Two-dimensional materials with high-temperature ferromagnetism and half-metallicity have the latest applications in spintronic devices. Based on first-principles calculations, we have investigated a novel two-dimensional CrS2 phase with an orthorhombic lattice. Our results suggest that it is stable in dynamics, thermodynamics, and mechanics. The ground state of monolayer orthorhombic CrS2 is both ferromagnetic and half-metallic, with a high Curie temperature of 895 K and a large spin-flipping gap on values of 0.804 eV. This room-temperature ferromagnetism and half-metallicity can maintain stability against a strong biaxial strain ranging from −5
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关键词
orthorhombic CrS2,Curie temperature,magnetic anisotropy energy,biaxial strain,first-principles calculations
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