Two-dimensional Cs-vacancy superstructure in iron-based superconductor $C{s}_{0.8}F{e}_{1.6}S{e}_2$

D. G. Porter, E. Cemal, D. J. Voneshen +8

Single crystal neutron diffraction is combined with synchrotron x-ray scattering to identify the different superlattice phases present in $C{s}_{0.8}F{e}_{1.6}S{e}_2$. A combination of s…