Temperature dependence of the electronic structure of A-site ordered perovskite CaCu${}_3$Ti${}_4$O${}_{12}$: Angle-integrated and -resolved photoemission studies

H. J. Im, T. Sakurada, M. Tsunekawa +3

We have investigated the electronic structure of A-site ordered CaCu${}_3$Ti${}_4$O${}_{12}$ as a function of temperature by using angle-integrated and -resolved photoemission spectrosco…