Figure 1

In-plane electrical resistivity, ρab (T), for BaFe1.9M0.1As2 (M = Mn, Cu, Ni, Co) single crystals.
The arrows show the minima of the first derivative in the vicinity of the SDW transition.
In-plane electrical resistivity, ρab (T), for BaFe1.9M0.1As2 (M = Mn, Cu, Ni, Co) single crystals.
The arrows show the minima of the first derivative in the vicinity of the SDW transition.