Observation of Raman active phonon with Fano lineshape in quasi-one-dimensional superconductor K${}_2$Cr${}_3$As${}_3$

W. -L. Zhang, H. Li, Dai Xia +6

We performed a polarized Raman scattering study of quasi-one-dimensional superconductor K${}_2$Cr${}_3$As${}_3$. We detect two A${}_1^{\prime }$ phonons and three E${}^{\prime }$ phonons. One of t…