| People | Locations | Statistics |
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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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Bos, Jan-Willem Gezienes
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Alloying and doping control in the layered metal phosphide thermoelectric CaCuPcitations
- 2023Thermoelectric properties and Kondo transition in the pseudo-gap metals TiNiSi and TiNiGe
- 2023Alloying and doping control in the layered metal phosphide thermoelectric CaCuPcitations
- 2023Thermoelectric properties of the aliovalent half-Heusler alloy Zn0.5Ti0.5NiSb with intrinsic low thermal conductivitycitations
- 2019Suppression of thermal conductivity without impeding electron mobility in n-type XNiSn half-Heusler thermoelectricscitations
- 2019Phase stability and thermoelectric properties of TiCoSb-TiM2Sn (M = Ni, Fe) Heusler compositescitations
- 2018Grain-by-grain compositional variations and interstitial metals - a new route towards achieving high performance in Half-Heusler thermoelectricscitations
- 2018Substitution versus full-Heusler segregation in TiCoSbcitations
- 2016Thermoelectric properties and high-temperature stability of the Ti1-xVxCoSb1-xSnx half-Heusler alloyscitations
- 2015Efficient thermoelectric performance in silicon nano-films by vacancy-engineeringcitations
Places of action
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article
Thermoelectric properties and high-temperature stability of the Ti1-xVxCoSb1-xSnx half-Heusler alloys
Abstract
<p>Half-Heuslers (HHs) are attracting widespread interest for thermoelectric waste heat recovery. This manuscript extends the known TiCoSb based HH compositions and provides new insight into their high-temperature stability. X-ray powder diffraction revealed an upper solubility limit near x = 0.4 for the Ti<sub>1-x</sub>V<sub>x</sub>CoSb<sub>1-x</sub>Sn<sub>x</sub> series. Rietveld analysis of neutron powder diffraction data indicated that TiCoSb is stoichiometric, and confirmed that V and Sn are successfully co-substituted. Scanning electron microscopy revealed small grain sizes (2 and crystalline CoSb, suggesting that the degradation is driven by exposure to trace amounts of oxygen. The unintentional incorporation of Ta leads to n-type doping and maximum power factors S<sup>2</sup>/ρ = 0.55 mW m<sup>-1</sup> K<sup>-2</sup> at 550 K and S<sup>2</sup>/ρ = 0.8 mW m<sup>-1</sup> K<sup>-2</sup> at 900 K were observed for TiCoSb and the x = 0.3 sample, respectively.</p>