Evidence for a soft-phonon-mode-driven Peierls-type distortion in Sc${}_3$CoC${}_4$

Jan Langmann, Christof Haas, Emmanuel Wenger +3

We provide experimental and theoretical evidence for the realization of the Peierls-type structurally distorted state in the quasi-one-dimensional superconductor Sc${}_3$CoC${}_4$ by a…