ORVEILLON, Glenn; CHEVALIER, Bernard; GORSSE, Stéphane

doi:10.1016/j.jallcom.2007.10.078

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ORVEILLON, Glenn
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CHEVALIER, Bernard
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

GORSSE, Stéphane
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Alloys and Compounds. 2008, vol. 463, n° 1-2, p. 569-575

Elsevier

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Ce2Ni2Ga has been prepared in both amorphous and crystallized form. The first one has been obtained by melt-spinning process. Electrical resistivity, magnetic susceptibility, heat capacity and Seebeck coefficient measurements have been carried out on these two forms. A valence transition from intermediate valence (IV) behavior (crystallized) to a trivalent (Ce3+) behavior (amorphous) of the cerium have been pointed out in this study. Actually, the atomic disorder induces a valence transition visible in magnetic, calorimetric and thermopower measurements. This observation tends to show that the local environment of cerium is changed.< Leer menos

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Metallic glasses

Kondo effect

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Transport, magnetic and thermal properties of amorphous and crystallized Ce2Ni2Ga ternary gallide

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