  Recent experimental success in the realization of two-dimensional (2D)
magnetism has stimulated the search for new magnetic 2D materials with strong
magnetic anisotropy and high Curie temperature. One promising subgroup of 2D
magnetic systems are Dirac half-metals (DHM) which have gained a lot of
interest recently, as they host a high-temperature quantum anomalous Hall
effect (QAHE). This article discusses predictions for intrinsic DHMs and
identifies them as realizations of the Kane-Mele Hubbard model at quarter
filling. This proposed unification contributes to a firmer understanding of
these materials and suggests pathways for the discovery of new DHM systems.
