Title: Enhanced Exchange in the Itinerant Ferromagnet UFe2
Authors: PAOLASINI LuigiLANDER Gerard heathSHAPIRO S.m.CACIUFFO R.LEBECH B.REGNAULT L.p.ROESSLI B.FOURNIER J.m.
Citation: Europhysics Letters vol. 34 no. 6 p. 459-464
Publication Year: 1996
JRC N°: JRC13198
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC13198
Type: Articles in Journals
Abstract: Neutron inelastic scattering experiments on the itinerant ferromagnet UFe2 have shown that the strong hybridization between the U 5f and Fe3d electrons results in a number of major changes compared to the physics of the isotructural RFe2 (R=Tb, Ho, and Er) compounds. We have observed that the Fe-Fe exchange interaction in this compound is actually greater at low temperature than it is in pure iron. This situation is not found in the RFe2 compounds. Excitations involving the U moments are heavily damped. We conclude with remarks on the possibility of synthesizing compounds with high Curie temperatures containing uranium.
JRC Institute:Institute for Transuranium Elements

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