Polarized neutron scattering studies of magnetic excitations in electron-overdoped superconducting BaFe${}_{1.85}$Ni${}_{0.15}$As${}_2$

Mengshu Liu, C. Lester, Jiri Kulda +5

We use polarized inelastic neutron scattering to study low-energy spin excitations and their spatial anisotropy in electron-overdoped superconducting BaFe${}_{1.85}$Ni${}_{0.15}$As$_{2…