Effect of impurity substitution on band structure and mass renormalization of the correlated FeTe${}_{0.5}$Se${}_{0.5}$ superconductor

S. Thirupathaiah, J. Fink, P. K. Maheshwari +6

Using angle-resolved photoemission spectroscopy (ARPES), we studied the effect of the impurity potential on the electronic structure of FeTe${}_{0.5}$Se${}_{0.5}$ superconductor by sub…