Deviation from the dipole-ice model in the new spinel spin-ice candidate, MgEr${}_2$Se${}_4$

D. Reig-i-Plessis, S. V. Geldern, A. A. Aczel +3

In spin ice research, small variations in structure or interactions drive a multitude of different behaviors, yet the collection of known materials relies heavily on the `227' pyro…