Charge ordering and chemical potential shift in La${}_{2-x}$Sr${}_x$NiO${}_4$ studied by photoemission spectroscopy

M. Satake, K. Kobayashi, T. Mizokawa +4

We have studied the chemical potential shift in La${}_{2-x}$Sr${}_x$NiO${}_4$ and the charge ordering transition in La${}_{1.67}$Sr${}_{0.33}$NiO${}_4$ by photoemission spectroscopy. The resul…