Elastocaloric evidence for a multicomponent superconductor stabilized within the nematic state in Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$

Sayak Ghosh, Matthias S. Ikeda, Anzumaan R. Chakraborty +12

The iron-based high-$T_c$ superconductors exhibit rich phase diagrams with intertwined phases, including magnetism, nematicity and superconductivity. The superconducting $T_c$ in m…