Geometrical frustration versus Kitaev interactions in BaCo${}_2$(AsO${}_4$)${}_2$

Thomas Halloran, Félix Desrochers, Emily Z. Zhang +12

Recently, Co-based honeycomb magnets have been proposed as promising candidate materials to host the Kitaev spin liquid state. One of the front-runners is BaCo${}_2$(AsO${}_4$)${}_2$ (BC…