Anomalous magneto-elastic coupling in Au-doped BaFe2As2

S. -F. Wu, W. -L. Zhang, L. Li +6

We used polarization-resolved Raman scattering to study magneto-elastic coupling in Ba(Fe${}_{1-x}$Au${}_x$)${}_2$As${}_2$ crystals as a function of light Au-doping, materials for which…