Crystal structure and high temperature thermoelectric properties of the Mo<sub>3-x</sub>Ru<sub>x</sub>Sb<sub>7</sub> compounds - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Electronic Materials Année : 2010

Crystal structure and high temperature thermoelectric properties of the Mo3-xRuxSb7 compounds

Résumé

Zintl phases are currently focusing great attention for their thermoelectric potential typified by the discovery of a high ZT value in Yb14MnSb11 based compounds. Here, we report on the crystallographic characterization via neutron and X-ray diffraction experiments and on the thermoelectric properties measured in the 300-1000 K temperature range of Mo3Sb7 and its isostructural compounds Mo3-xRuxSb7. Even though Mo3Sb7 displays rather high ZT values given its metallic character, the partial substitution of Mo by Ru improves substantially its thermoelectric properties resulting in a ZT value of ~ 0.45 at 1000 K for x = 0.8.
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Dates et versions

hal-04011160 , version 1 (02-03-2023)

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Christophe Candolfi, Juliusz Leszczynski, Philippe Masschelein, Caroline Chubilleau, Bertrand Lenoir, et al.. Crystal structure and high temperature thermoelectric properties of the Mo3-xRuxSb7 compounds. Journal of Electronic Materials, 2010, 39 (9), pp.2132-2135. ⟨10.1007/s11664-009-0981-2⟩. ⟨hal-04011160⟩
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