Magnets with controllable magnetization and high critical temperature are essential for practical spintronics devices, among which the two-dimensional $1T\text{−}{\mathrm{CrTe}}_2$ stands out because of its high experimental critical temperature up to $\sim 300\mathrm{K}$ down to the single-layer limit. By using ab initio density functional theory, we investigate the magnetic properties of monolayer and bilayer $1T\text{−}{\mathrm{CrTe}}_2$ and demonstrate that the magnetic properties, such as the magnetocrystalline anisotropy, critical Curie temperature, and magnetizations, can be influenced by strain or electric fields.

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• Electrical properties
• Magnetic anisotropy
• Magnetism
• Antiferromagnets
• Ferromagnets
• Transition metal dichalcogenides
• Density functional theory
• Mean field theory
• Monte Carlo methods