Effects of cobalt doping and three-dimensionality in $BaF{e}_{2}A{s}_2$

A. F. Kemper, C. Cao, P. J. Hirschfeld +1

We investigate the dual roles of a cobalt impurity in the Ba-122 ferropnictide superconductor in the state with coexisting collinear spin density wave (SDW) order as a dopant and a…