Strong Correlation Effects of A-site Ordered Perovskite CaCu3Ti4O12 revealed by Angle-Resolved Photoemission Spectroscopy

H. J. Im, M. Tsunekawa, T. Sakurada +8

We report angle-resolved photoemission spectroscopy (ARPES) results of A-site ordered perovskite CaCu${}_3$Ti${}_4$O${}_{12}$. We have observed the clear band dispersions, which are shif…