Top view of AB-stacked CrBr_3 bilayer and magnetic interactions. (IMAGE)

Science China Press

Top view of AB-stacked CrBr_3 bilayer and magnetic interactions.

Caption

Bilayer CrBr_3 lattice forms an AB-stacking. CrBr_3 favors an easy-plane intralayer anisotropy (Λ_1 < 0), and a uniaxial interlayer anisotropy (Λ_2 > 0), which is effective only on ‘‘A” sites. When single-ion anisotropy is small and Λ_1+Λ_2~0, the spins are frustrated.

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