Nearly isotropic upper critical fields in a SrFe${}_{1.85}$Co${}_{0.15}$As${}_2$ single crystal

Seunghyun Khim, Jun Sung Kim, Jae Wook Kim +4

We study temperature dependent upper critical field $H_{c2}$ of a SrFe${}_{1.85}$Co${}_{0.15}$As${}_2$ single crystal (\textit{T${}_c$}=20.2 K) along \textit{ab}-plane and \textit{c}…