Orbital-selective Mott phase and spin nematicity in Ni-substituted FeTe${}_{0.65}$Se${}_{0.35}$ single crystals

Marta Z. Cieplak, I. Zajcewa, A. Lynnyk +2

The normal state in iron chalcogenides is metallic but highly unusual, with orbital and spin degrees of freedom partially itinerant or localized depending on temperature, leading t…