Title: 5f Magnetism Studied in Complex Intermetallic U-based Hydrides
Authors: HAVELA L.MILIYANCHUK K.KOLOMIETS A. V.PEREIRA L. C. J.GONCALVES A. P.SANTAVA E.PROKES K.
Citation: JOURNAL OF ALLOYS AND COMPOUNDS vol. 446-447 p. 606-609
Publisher: ELSEVIER SCIENCE SA
Publication Year: 2007
JRC N°: JRC41100
ISSN: 0925-8388
URI: http://www.elsevier.com/locate/jallcom
http://publications.jrc.ec.europa.eu/repository/handle/JRC41100
DOI: 10.1016/j.jallcom.2006.12.076
Type: Articles in Journals
Abstract: Hydrogen absorption in uranium ternary intermetallic compounds typically increases ordering temperatures and magnetic moments. The case of URuSn hydride, which does not behave accordingly, can be related to specific H positions revealed by neutron diffraction on deuterides. Tuning through the onset of magnetic ordering by means of H absorption was found for the U2T2X compounds as U2Co2Sn. For U2Ni2SnD1.8, we demonstrated that the anisotropic lattice expansion leads to U moments reorientation, as a result of hybridisation-induced two-ion anisotropy,with respect to U2Ni2Sn, in which the U U coordination is poised between two regimes.
JRC Institute:Institute for Transuranium Elements

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