Spin model for the Honeycomb $\mathrm{NiP}{\mathrm{S}}_3$

Paula Mellado

In the Van der Waal material $\mathrm{NiP}{\mathrm{S}}_3$, Ni atoms have spin S=1 and realize a honeycomb lattice. Six sulfur atoms surround each Ni and split their d manifold into three filled an…