Phase stability and large in-plane resistivity in the 112-type iron-based superconductor Ca${}_{1-x}$La${}_x$FeAs${}_2$

Chang-Jong Kang, Turan Birol, Gabriel Kotliar

The recently discovered high-T${}_c$ superconductor Ca${}_{1-x}$La${}_x$FeAs${}_2$ is a unique compound not only because of its low symmetry crystal structure, but also because of its…