Infrared evidence of a Slater metal-insulator transition in NaOsO3
Infrared evidence of a Slater metal-insulator transition in NaOsO3
The magnetically driven metal-insulator transition (MIT) was predicted by Slater in the fifties. Here a long-range antiferromagnetic (AF) order can open up a gap at the Brillouin electronic band boundary regardless of the Coulomb repulsion magnitude. However, while many low-dimensional organic conductors display evidence for an AF driven MIT, in …