Tunable interplay between 3d and 4f electrons in Co-doped iron pnictides

T. Shang, L. Yang, Y. Chen +12

We study the interplay of 3d and 4f electrons in the iron pnictides CeFe${}_{1-x}$Co${}_x$AsO and GdFe${}_{1-y}$Co${}_y$AsO, which correspond to two very different cases of $4f$-magnetic m…