Absence of Giant Spin Splitting in the Two-Dimensional Electron Liquid at the Surface of SrTiO${}_3$ (001)

S. McKeown Walker, S Riccò, F. Y. Bruno +10

We reinvestigate the putative giant spin splitting at the surface of SrTiO${}_3$ reported by Santander-Syro $etal.$ [Nature Mat. 13, 1085 (2014)]. Our spin- and angle-resolved photo…