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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Guilmeau, E.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2021Effects of Grain Size on the Thermoelectric Properties of Cu2SnS3: An Experimental and First-Principles Studycitations
- 2020Structure, microstructure and thermoelectric properties of germanite-type Cu22Fe8Ge4S32 compoundscitations
- 2020Structure, microstructure and thermoelectric properties of germanite-type Cu22Fe8Ge4S32 compoundscitations
- 2018Substituting Copper with Silver in the BiMOCh Layered Compounds (M = Cu or Ag; Ch = S, Se, or Te) Crystal, Electronic Structure, and Optoelectronic Propertiescitations
- 2017The crucial role of selenium for sulphur substitution in the structural transitions and thermoelectric properties of Cu5FeS4 bornitecitations
- 2016Ba 6−3x Nd 8+2x Ti 18 O 54 Tungsten Bronze A New High-Temperature n-Type Oxide Thermoelectriccitations
- 2016Thermoelectric properties of TiS2 mechanically alloyed compoundscitations
- 2015Synthesis and thermoelectric properties in the 2D Ti 1 - x Nb x S 3 trichalcogenidescitations
- 2015On the effects of substitution, intercalation, non-stoichiometry and block layer concept in TiS 2 based thermoelectricscitations
- 2014Electron doping and phonon scattering in Ti1+xS2 thermoelectric compoundscitations
- 2014Thermoelectric properties of In0.2Co4Sb12 skutterudites with embedded PbTe or ZnO nanoparticlescitations
- 2013High temperature thermoelectric properties of CoSb3 skutterudites with PbTe inclusionscitations
- 2011Solution-based synthesis routes to thermoelectric Bi2Ca2Co1.7Oxcitations
- 2011Preparation of Ni-doped ZnO ceramics for thermoelectric applicationscitations
- 2010Transport and magnetic properties of Mo2.5Ru0.5Sb7−xTexcitations
- 2010High thermoelectric power factor in Fe-substituted Mo3Sb7citations
- 2010High thermoelectric power factor in Fe-substituted Mo.sub.3./sub.Sb.sub.7./sub.citations
- 2005Rietveld texture analysis of alumina ceramics by neutron diffractioncitations
- 2005Texture of alumina by neutron diffraction and SEM-EBSD
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article
Thermoelectric properties of In0.2Co4Sb12 skutterudites with embedded PbTe or ZnO nanoparticles
Abstract
Transport properties of the skutterudite compound In0.2Co4Sb12 containing ZnO or PbTe nano-sized particles (2-12 wt%) were investigated by means of electrical resistivity, thermopower and thermal conductivity between 5 and 800 K. The composite powders were prepared by freeze-drying the nanoparticles with micron-sized In0.2Co4Sb12 powders. Densification was achieved by spark plasma sintering. All composites were characterized by X-ray powder diffraction and scanning electron microscopy. All the transport coefficients show similar temperature dependences suggesting little influence of the nature, semiconducting or insulating, of the nanoparticles. Both the electrical and the thermal conductivities decrease with increasing the PbTe or ZnO content. The impact of ZnO and PbTe on the thermal conductivity was modelled based on the Debye model taking into account a relaxation time constant reflecting phonon scattering by spherical nanoparticles. A maximum dimensionless figure of merit ZT of 1.05 at 700 K was achieved in a sample containing 2 wt% ZnO, a value quite similar to that of the reference In0.2-Co4Sb12 compound.