Chemical potential shift and gap-state formation in SrTiO${}_{3-\delta }$ revealed by photoemission spectroscopy

Prabir Pal, Pramod Kumar, Aswin V. +2

In this study, we report on investigations of the electronic structure of SrTiO${}_3$ annealed at temperature ranging between 550 and 840${}^{\circ }$C in an ultrahigh vacuum. Annealing i…