Raman scattering study of NaFe${}_{0.53}$Cu${}_{0.47}$As

W. -L. Zhang, Y. Song, W. -Y. Wang +3

We use polarization-resolved Raman scattering to study lattice dynamics in NaFe${}_{0.53}$Cu${}_{0.47}$As single crystals. We identify 4 $A_{1g}$ phonon modes at 125, 172, 183 and 197…