Superconductivity in hole-doped (Sr${}_{1-x}$K${}_x$)Fe${}_2$As${}_2$

G. F. Chen, Z. Li, G. Li +6

A series of layered (Sr${}_{1-x}$K${}_x$)Fe${}_2$As${}_2$ compounds with nominal x=0 to 0.40 are synthesized by solid state reaction method. Similar to other parent compounds of iron-based…