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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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Seredina, Marina
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Publications (3/3 displayed)
- 2023Thermoelectric Properties of Hf<sub>2−x</sub>Ti<sub>x</sub>FeNiSb<sub>2</sub> double-half Heusler alloyscitations
- 2021Structural, Electronic and Magnetic Properties of Mn2Co1-xVxZ (Z = Ga, Al) Heusler Alloys: An Insight from DFT Studycitations
- 2016Electric Resistivity and Hall Effect of Ni(Co)-Mn-Al Melt Spun Ribbonscitations
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article
Thermoelectric Properties of Hf<sub>2−x</sub>Ti<sub>x</sub>FeNiSb<sub>2</sub> double-half Heusler alloys
Abstract
<jats:title>Abstract</jats:title><jats:p>This work presents experimental investigation of the thermoelectric and structural characteristics of new double half Heusler alloys Hf<jats:sub>2-x</jats:sub>Ti<jats:sub>x</jats:sub>FeNiSb<jats:sub>2</jats:sub> (x= 0, 0.15, 0.25 and 0.4). The studied samples were synthesized using different techniques of melt spinning, arc melting and spark plasma sintering. Crystal structure of the studied compounds was examined via x-ray diffraction (XRD). A face centered cubic structure was found to be the dominant crystallization phase. Homogeneity and relatively high density were obtained in the fabricated samples. Thermoelectric properties of the samples were studied over a temperature range from 300 to 800 K. Thermal conductivity was found to be significantly decreased with the Titanium (Ti) doping due to enhanced the phonon scattering. The highest value of the thermoelectric figure of merit was obtained for Hf<jats:sub>1.75</jats:sub>Ti<jats:sub>0.25</jats:sub>FeNiSb<jats:sub>2</jats:sub> to be 0.28±0.014 at 800 K.</jats:p>