Revisiting the ground state of CoAl${}_2$O${}_4$: comparison to the conventional antiferromagnet MnAl${}_2$O${}_4$

G. J. MacDougall, A. A. Aczel, Yixi Su +8

The A-site spinel material, CoAl2O4, is a physical realization of the frustrated diamond-lattice antiferromagnet, a model in which is predicted to contain unique incommensurate or…