BaCo${}_2$(AsO${}_4$)${}_2$: Strong Kitaev, After All

Pavel A. Maksimov, Shengtao Jiang, L. P. Regnault +1

The inelastic neutron scattering results and their analysis unequivocally point to a dominant Kitaev interaction in the honeycomb-lattice cobaltate BaCo${}_2$(AsO${}_4$)${}_2$. Our aniso…