Reduction of charge fluctuation energies in ultrathin NiO films on Ag(001)

Seolun Yang, H. -K. Park, J. -S. Kim +6

We investigate on-site Coulomb interaction energy between two 3p holes U(Ni 3p) of ultrathin NiO films on Ag(001) by both x-ray photoelectron spectroscopy and Auger electron spectr…