| 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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Jacques, Pascal, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Friction Melt Bonding: an innovative process applied to the joining of dissimilar materials in a lap-joint configuration
- 2023A map of single-phase high-entropy alloyscitations
- 2022Shear banding-activated dynamic recrystallization and phase transformation during quasi-static loading of beta-metastable Ti-12 wt.% Mo alloycitations
- 2022Potential TRIP/TWIP coupled effects in equiatomic CrCoNi medium-entropy alloycitations
- 2022Optimisation of the Thermoelectric Properties of Fe2VAl Thin Films Obtained by Co-sputtering
- 2022Shear banding-activated dynamic recrystallization and phase transformation during quasi-static loading of β-metastable Ti – 12 wt % Mo alloy
- 2021Unveiling the thermodynamic driving forces for high entropy alloys formation through big data ab initio analysiscitations
- 2021Diffusion Multiples as a Tool to Efficiently Explore the Composition Space of High Entropy Alloyscitations
- 2021Influence of 5 at.%Al-Additions on the FCC to BCC Phase Transformation in CrFeNi Concentrated Alloyscitations
- 2020High temperature rise dominated cracking mechanisms in ultra-ductile and tough titanium alloycitations
- 2019A multi-mechanism non-local porosity model for high-ductile materials; application to high entropy alloys
- 2019Enhancement of toughness of Al-to-steel Friction Melt Bonded welds via metallic interlayerscitations
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document
Optimisation of the Thermoelectric Properties of Fe2VAl Thin Films Obtained by Co-sputtering
Abstract
Optimisation of the thermoelectric properties of Fe2VAl thin films obtained by co-sputtering G. Roy, KM Karuppasamy , V. Dupont, J.F. Trelcat, A. Kashiwar, C. van der Rest, H. Idrissi, JP. Erauw, P. Guaino, P.J. Jacques The Fe2VAl Heusler compound is attracting increasing interest from the scientific community due to its excellent performance in terms of power factor [1-2] around room temperature, coupled with the high availability and non-toxicity of its constitutive elements. Thermoelectric thin films are of interest from a fundamental point of view, especially owing to the possibilities of nano-structuring, but also from an application point of view where it could facilitate the integration of thermoelectric modules for powering low power electronic devices such as autonomous sensors. Nevertheless, studies on Fe2VAl thin films are relatively scarce and some recent results still raise some questions [3-4]. In this study, Fe2VAl thin films were processed by a co-sputtering method allowing to easily control the stoichiometry of the films. After process optimisation, p- and n-type layers have been obtained with power factors of 0.8 and 1.6 10-3W/mK², respectively. In addition, we determined using advanced microstructure analysis that the increase of thermoelectric performances is related to crystal ordering during annealing. [1] Miyazaki, H. et al. "Thermoelectric properties of Heusler-type off-stoichiometric Fe2V1+ xAl1− x alloys." Materials Research Express 1.1 (2013): 015901. [2] Garmroudi, F., et al. "Boosting the thermoelectric performance of Fe 2 VAl− type Heusler compounds by band engineering." Physical Review B 103.8 (2021): 085202. [3] Hinterleitner, B., et al. "Thermoelectric performance of a metastable thin-film Heusler alloy." Nature 576.7785 (2019): 85-90. [4] Alleno, E., et al. "On the structure and electronic properties of Fe 2 V 0.8 W 0.2 Al thin films." Physical Chemistry Chemical Physics 22.39 (2020): 22549-22554.