Title: Conditions for Magnetism in Pu Systems
Authors: HAVELA LadislavJAVORSKY PavelWASTIN FRANCKCOLINEAU ERICGOUDER THOMASSHICK A.b.DRCHAL V.
Citation: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS vol. 310 p. e82-e84
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2007
JRC N°: JRC37971
ISSN: 0304-8853
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC37971
DOI: 10.1016/j.jmmm.2006.10.503
Type: Contributions to Conferences
Abstract: Weakly paramagnetic character of d-Pu is preserved when Pu is doped by Am, which expands the crystal lattice. Specific-heat data show that the g-coefficient does not increase. Such behaviour can be understood on the basis of LSDA+U calculations, which yield invariably non-magnetic Pu state due to the proximity to the 5f6 state. We suggest that a general condition for Pu magnetism is some degree of a hybridization with states of other elements in alloys and compounds, which allows for the reduction of the 5f count.
JRC Institute:Institute for Transuranium Elements

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