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Article Dans Une Revue Intermetallics Année : 2011

Magnetic, electric and thermoelectric properties of ternary intermetallics from the Ce-Co-Ge system

Résumé

Magnetic susceptibility, magnetization, electrical resistivity and thermoelectric power of polycrystalline Ce2CoGe3, Ce3CoGe2, CeCo0.86Ge2, Ce5Co4Ge13, CeCoGe3, and Ce2Co3Ge5 were studied in wide temperature and magnetic field ranges. The results of magnetic properties and electrical resistivity measurements carried out for Ce3CoGe2, CeCo0.86Ge2, CeCoGe3 and Ce2Co3Ge5 corroborate the data reported in literature. Ce2CoGe3 and Ce5Co4Ge13 were found to be ferromagnetically ordered below 10 and 7 K, respectively. Moreover, the resistivity of Ce2CoGe3 shows Kondo-like behavior. The thermoelectric power exhibits in all six phases a large broad maximum, located between 50 and 150 K, most likely due to the presence of 4f electrons.

Dates et versions

hal-00822101 , version 1 (14-05-2013)

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Arnaud Soudé, Adam P. Pikul, Piotr Wisniewski, Olivier Tougait, Mathieu Pasturel, et al.. Magnetic, electric and thermoelectric properties of ternary intermetallics from the Ce-Co-Ge system. Intermetallics, 2011, 19 (8), pp.1201-1206. ⟨10.1016/j.intermet.2011.03.033⟩. ⟨hal-00822101⟩
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