Recent advances in MC simulations of magnetic properties are rather devoted to non-
interacting systems or ultrafast phenomena, while the modeling of quasi-static hysteresis
loops of an assembly of spins with strong internal exchange interactions remains limited to
specific cases. In the case of any assembly of magnetic moments, we propose MC
simulations on the basis of a three dimensional classical Heisenberg model applied to an
isolated magnetic slab involving first nearest neighbors exchange interactions and uniaxial …