Modification by hydrogenation of the CeCuSi magnetic behavior

M. Pasturel, J. L. Bobet, F. Weill, B. Chevalier

Research output: Contribution to JournalArticleAcademicpeer-review


The ternary silicide CeCuSi, that crystallizes in the hexagonal ZrBeSi-type structure, absorbs hydrogen at 393 K and 2 MPa to form the stable hydride CeCuSiH1.35(10). Magnetization and electrical resistivity measurements reveal that CeCuSi orders ferromagnetically below Tc=15.2(2) K while its hydride exhibits a complex magnetic phase diagram with three transitions at 13.7(3), 10.6(3), and 8.4(3) K. This behavior could be explained by the more complex environments of Ce-atoms after hydriding that lead to a great hexagonal unit cell (a=4.194(1) Å and c=41.69(4) Å) deriving from that of ZrBeSi-type.
Original languageEnglish
Pages (from-to)118-121
Number of pages4
JournalJournal of Alloys and Compounds
Issue number1/2
Early online date2 Jun 2004
Publication statusPublished - 30 Nov 2004

Bibliographical note

Part of special issue: Proceedings of the 14th International Conference on Solid Compounds of Transition Elements (SCTE 2003). Edited by H. Boller


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