Engineering 2D high-temperature ferromagnets with large in-plane anisotropy via alkali-metal decoration in a tetragonal CoSe monolayer

Yiran Peng, Yanfeng Ge, Yong Liu +1

Two-dimensional (2D) ferromagnetic materials with high Curie temperature ($T_{\mathrm{c}}$) and large magnetic anisotropy energy (MAE) are critical for nanoscale spintronics but remain…