Evidence for Coexistence of Superconductivity and Magnetism in Single Crystals of Co-doped SrFe${}_2$As${}_2$

Jun Sung Kim, Seunghyun Khim, Liqin Yan +5

In order to investigate whether magnetism and superconductivity coexist in Co-doped SrFe${}_2$As${}_2$, we have prepared single crystals of SrFe${}_{2-x}$Co${}_x$As${}_2$, $x$ = 0 and 0.4, a…