Hydrostatic-pressure tuning of magnetic, nonmagnetic and superconducting states in annealed Ca(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$

E. Gati, S. Köhler, D. Guterding +6

We report on measurements of the magnetic susceptibility and electrical resistance under He-gas pressure on single crystals of Ca(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$. We find that fo…