Fig. 3: Distance dependent isotropic symmetric exchange parameters.

Isotropic symmetric exchange parameters J_ij as a function of neighboring distance R_ij for a, b Fe₃GeTe₂, c, d Fe₄GeTe₂ and e–j Fe₅GeTe₂ monolayer, obtained using GGA + DMFT. The J_ij values reported here are multiplied by the corresponding coordination numbers.