Modification by hydrogenation of the CeCuSi magnetic behavior

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

doi:10.1016/j.jallcom.2004.04.019

Modification by hydrogenation of the CeCuSi magnetic behavior

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

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Abstract

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 language	English
Pages (from-to)	118-121
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	383
Issue number	1/2
Early online date	2 Jun 2004
DOIs	https://doi.org/10.1016/j.jallcom.2004.04.019
Publication status	Published - 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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title = "Modification by hydrogenation of the CeCuSi magnetic behavior",

abstract = "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) {\AA} and c=41.69(4) {\AA}) deriving from that of ZrBeSi-type.",

author = "M. Pasturel and Bobet, {J. L.} and F. Weill and B. Chevalier",

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

year = "2004",

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doi = "10.1016/j.jallcom.2004.04.019",

language = "English",

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T1 - Modification by hydrogenation of the CeCuSi magnetic behavior

AU - Pasturel, M.

AU - Bobet, J. L.

AU - Weill, F.

AU - Chevalier, B.

N1 - Part of special issue: Proceedings of the 14th International Conference on Solid Compounds of Transition Elements (SCTE 2003). Edited by H. Boller

PY - 2004/11/30

Y1 - 2004/11/30

N2 - 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.

AB - 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.

U2 - 10.1016/j.jallcom.2004.04.019

DO - 10.1016/j.jallcom.2004.04.019

M3 - Article

SN - 0925-8388

VL - 383

SP - 118

EP - 121

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

IS - 1/2

ER -

Modification by hydrogenation of the CeCuSi magnetic behavior

Abstract

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