Bibliographic Details
| Title: |
Investigation of surface and non-local screening effects in the Ni 2p core level photoemission spectra of NiO |
| Authors: |
Mossanek, R.J.O.1, Preda, I.2, Abbate, M.1, Rubio-Zuazo, J.3, Castro, G.R.3, Vollmer, A.4, Gutiérrez, A.2, Soriano, L.2 l.soriano@uam.es |
| Source: |
Chemical Physics Letters. Jan2011, Vol. 501 Issue 4-6, p437-441. 5p. |
| Subjects: |
Photoemission, Spectrum analysis, Nickel compounds, Microclusters, Geometric surfaces, Experiments |
| Abstract: |
Abstract: We studied the Ni 2p core-level spectra of NiO using cluster model calculations and X-ray photoemission spectra. The calculations were performed for a NiO6, a NiO5, and a NiO6:NiO5 cluster, which allows studying the bulk, the surface, and the non-local effects in the spectra. The photoemission spectra were taken with soft (or hard) X-rays to enhance the surface (or bulk) contribution. The calculation shows that both surface and non-local-effects contribute to the shoulder in the experimental data. The photoemission spectra show that the relative intensity of the surface contribution decreases for Hard X-rays. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
