Antiferromagnetic-ferromagnetic transition induced by the hydrogenation of the ternary stannide Ce(Ni0.82Cu0.18)Sn |
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Authors: | B. Chevalier M. Pasturel J.-L. Bobet J. Etourneau |
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Affiliation: | Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), CNRS [UPR 9048], Université Bordeaux 1, 87 avenue du Dr Schweitzer, Pessac cedex 33608, France |
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Abstract: | The title compound absorbs slowly hydrogen at 523 K under a pressure of P(H2)=1 MPa, giving the new hydride Ce(Ni0.82Cu0.18)SnH1.7(1). The hydrogenation induces both: (i) a structural transition from orthorhombic TiNiSi-type to hexagonal ZrBeSi-type and (ii) a magnetic transition from antiferromagnetic to ferromagnetic ordering This behaviour is compared to that observed recently during the hydrogen insertion into the Kondo semi-metal stannide CeNiSn. |
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Keywords: | 72.15.Eb 75.50.Ee 75.50.Cc |
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