Hybridization functions of intermetallic Ce compounds with group VI elements

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Among the Cerium compounds, the heavier monochalcogenides CeY (Y=S,Se,Te) of cerium provide a class of compounds which together with the heavier monopnictides CeX (X=N,P,As,Sb,Bi) exhibit extremely interesting physical properties. The hybridization of the partially delocalized f-electrons seems to be responsible for the unusual properties, in particular the magnetic ones which show great chemical sensitivity. As compared to the monopnictides, the monochalcogenides have an additional anion p-electron which shifts the Fermi energy into the p-region of the Cerium 5d-derived density of states, and which should affect the hybridization function of the electrons in the conduction band. In this contribution we analyze the 4f-hybridization function and the crystal-field splittings of the compounds under study. KEY WORDS: Highly correlated systems, crystal fields, p-electron.
7 pages, 2 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/117477

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0610807
 http://arxiv.org/abs/cond-mat/0610807

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arXiv