Title: Current Understanding of Photoelectron Spectra in Plutonium Systems
Authors: HAVELA L.SHICK A. B.GOUDER Thomas
Citation: JOURNAL OF NUCLEAR MATERIALS vol. 385 p. 28-30
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2009
JRC Publication N°: JRC50739
ISSN: 0022-3115
URI: http://www.elsevier.com/locate/jnucmat
http://publications.jrc.ec.europa.eu/repository/handle/JRC50739
DOI: 10.1016/j.jnucmat.2008.09.039
Type: Contributions to Conferences
Abstract: Analysis of available photoelectron spectra from Pu compounds indicates the presence of the 5f5 multiplet, which dominates the energy scale close to the Fermi level. As shown by the LDA+U+Hubbard I calculations, its intensity scales with the admixture of the 5f6 manifold in the 5f5 ground state, which can lead to an average occupancy substantially exceeding 5.0. This admixture also leads to the suppression of magnetic order and occurrence of heavy fermion behaviour.
JRC Institute:Institute for Transuranium Elements

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