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Bandstructure and atomic energy levels in Ce-Metal, NiO and NiS

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Zeitschrift für Physik B Condensed Matter

Abstract

The results obtained by photoemission and inverse photoemission spectroscopy (PES and IPES) for compounds in which electron correlations are important such as Ce, NiO and NiS are compared to the Mott-Hubbard model. It can be shown that some interesting inconsistencies exist that emphasize the importance of hybridization. In the metallic phase of NiS the correlation energyU is large as compared to the 3d-bandwidth. Therefore the sulfur-nickel electron exchange seems to be an important mechanism in the conductivity of the compound.

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  1. Fachbereich Physik, Universität des Saarlandes, D-6600, Saarbrücken, Germany

    S. Hüfner

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  1. S. Hüfner
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Hüfner, S. Bandstructure and atomic energy levels in Ce-Metal, NiO and NiS. Z. Physik B - Condensed Matter 58, 1–6 (1984). https://doi.org/10.1007/BF01469431

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  • DOI: https://doi.org/10.1007/BF01469431

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