Dzyaloshinskii-Moriya interactions, Néel skyrmions and V${}_4$ magnetic clusters in multiferroic lacunar spinel GaV${}_4$S${}_8$

Vladislav Borisov, Nastaran Salehi, Manuel Pereiro +2

Using ab initio density functional theory with static mean-field correlations, we calculate the Heisenberg and Dzyaloshinskii-Moriya interactions (DMI) for an atomistic spin Hamilt…