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oai:riuma.uma.es:10630/147452026-02-03T12:25:48Zcom_10630_2254col_10630_37959

Soriano de Arpe, Leonardo 2017-11-02T07:48:38Z 2017-11-02T07:48:38Z 2007 Phys Rev B 75, 233417 (2007) DOI: 10.1103/PhysRevB.75.233417 http://hdl.handle.net/10630/14745 http://orcid.org/0000-0001-5715-376X We report experimental and theoretical evidence of surface effects in the Ni 2p x-ray photoemission spectra XPS of NiO. The Ni 2p3/2 surface-enhanced XPS of a NiO sample show a relative enhancement of the intensity of the known satellite at 1.5 eV higher binding energy from the main line, indicating a considerable surface contribution of this satellite. The results are discussed in terms of bulk-octahedral and surfacepyramidal Ni symmetries. Other contributions, like nonlocal screening effects, cannot be neglected. eng open access by-nc-nd Fotoemisión Física The Electronic Structure of NiO by means of Electron Spectroscopies and theoretical calculations conference output