Bulk textured Ca2.5(RE)0.5Co4O9(RE: Pr, Nd, Eu, Dy and Yb) thermoelectric oxides by sinter-forging

Bulk textured Ca2.5(RE)0.5Co4O9 (RE, rare-earth element=Pr, Nd, Eu, Dy and Yb) ceramics have been prepared using sinter-forging technique. Both sintered and sinter-forged samples have been prepared and characterized. We present the thermoelectric properties, structural and microstructural investigat...

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Bibliographic Details
Published in:Solid state sciences 2007-03, Vol.9 (3-4), p.231-235
Main Authors: PREVEL, M, PEREZ, O, NOUDEM, J. G
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Other materials
Physics
Specific materials
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Summary:Bulk textured Ca2.5(RE)0.5Co4O9 (RE, rare-earth element=Pr, Nd, Eu, Dy and Yb) ceramics have been prepared using sinter-forging technique. Both sintered and sinter-forged samples have been prepared and characterized. We present the thermoelectric properties, structural and microstructural investigations of the samples which show a strong degree of crystallite orientation. In addition, the effect of the rare-earth substitution on the properties is discussed.
ISSN:1293-2558
1873-3085
DOI:10.1016/j.solidstatesciences.2007.01.003