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|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|
|Type:||Articles in periodicals and books|
|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:||Nuclear Safety and Security|
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