Anisotropic magnetic excitations and incipient Néel order in Ba(Fe${}_{1-x}$Mn${}_x$)${}_2$As${}_2$

Fernando A. Garcia, Oleh Ivashko, Daniel E. McNally +7

It is currently understood that high temperature superconductivity (SC) in the transition metal $(M)$ substituted iron arsenides Ba(Fe${}_{1-x}$$M$${}_x$)${}_2$As${}_2$ is promoted b…