| 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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Halet, Jean-François
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023Boron-induced phase transformation of ternary cerium boron silicides
- 2023Investigation of Mn Single and Co-Doping in Thermoelectric CoSb 3 -Skutterudite: A Way Toward a Beneficial Composite Effectcitations
- 2023Enhanced High-Temperature Thermoelectric Performance of Yb 4 Sb 3 via Ce/Bi Co-doping and Metallic Contact Deposition for Device Integrationcitations
- 2023Enhanced NH3 Sensing Performance of Mo Cluster-MoS2 Nanocomposite Thin Films via the Sulfurization of Mo6 Cluster Iodides Precursorcitations
- 2022Improvement of Thermoelectric Properties via Texturation Using a Magnetic Slip Casting Process-The Illustrative Case of CrSi2citations
- 2021Flux synthesis, crystal structure and electronic properties of the layered rare earth metal boride silicide Er<sub>3</sub>Si<sub>5–<i>x</i> </sub>B. An example of a boron/silicon-ordered structure derived from the AlB<sub>2</sub> structure typecitations
- 2021Flux synthesis, crystal structure and electronic properties of the layered rare earth metal boride silicide Er3Si5-xB. An example of a boron/silicon-ordered structure derived from the AlB2 structure typecitations
- 2021Metal-Rich Metallaboranes: Synthesis, Structures and Bonding of Bi- and Trimetallic Open-Faced Cobaltaboranescitations
- 2021Crystal, electronic and magnetic structures of a novel series of intergrowth carbometalates R4Co2C3 (R = Y, Gd, Tb)citations
- 2020Rare-earth Metal Borosilicides R9Si15-xB3 (R = Tb, Yb): New Ordered Structures Derived from the AlB2 Structure Typecitations
- 2020Screening of transition (Y, Zr, Hf, V, Nb, Mo, and Ru) and rare-earth (La and Pr) elements as potential effective dopants for thermoelectric GeTe – an experimental and theoretical appraisalcitations
- 2019Synthesis, Structures and Chemistry of the Metallaboranes of Group 4-9 with M2B5 Core Having a Cross Cluster M-M Bondcitations
- 2019Synthesis, Structures and Chemistry of the Metallaboranes of Group 4–9 with M2B5 Core Having a Cross Cluster M–M Bondcitations
- 2018Impact of Coinage Metal Insertion on the Thermoelectric Properties of GeTe Solid-State Solutionscitations
- 2018Effect of the Processing Route on the Thermoelectric Performance of Nanostructured CuPbSbTecitations
- 2018Detrimental Effects of Doping Al and Ba on the Thermoelectric Performance of GeTecitations
- 2017Sb Doping of Metallic CuCr2S4 as a Route to Highly Improved Thermoelectric Propertiescitations
- 2017Enhancement of the Thermoelectric Properties of FeGa3-type Structures with Group 6 Transition Metals: A Computational Explorationcitations
- 2015Investigations in the ternary praseodymium–boron–carbon system: Solid-state phase diagram and structural chemistrycitations
- 2014Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorptioncitations
- 2012Structural, electronic and magnetic properties of layered REB2C compounds (RE=Dy, Tm, Lu)citations
- 2011New members of ternary rare-earth metal boride carbides containing finite boron-carbon chains: RE25B14C26 (RE=Pr, Nd) and Nd25B12C28citations
- 2008New examples of ternary rare-earth metal boride carbides containing finite boron-carbon chains: The crystal and electronic structure of RE15B6C20 (RE = Pr, Nd)citations
- 2007M2B5 or M2B4? A reinvestigation of the Mo/B and W/B systemcitations
- 2007Chemical bonding in EuTGe (T=Ni, Pd, Pt) and physical properties of EuPdGecitations
- 2006Tin flux synthesis of rare-earth metal silicide compounds RESi1.7 (RE = Dy, Ho): a novel ordered structure derived from the AlB2 typecitations
- 2006The ternary RE-Si-B systems (RE = Dy, Ho, Er and Y) at 1270 K: Solid state phase equilibria and magnetic properties of the solid solution REB2−xSix (RE = Dy and Ho)citations
- 2006Mn5Si3-type host-interstitial boron rare-earth metal silicide compounds RE5Si3: Crystal structures, physical properties and theoretical considerationscitations
- 2006Structural chemistry, magnetism and electrical properties of binary Gd silicides and Ho3Si4citations
Places of action
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article
Impact of Coinage Metal Insertion on the Thermoelectric Properties of GeTe Solid-State Solutions
Abstract
International audience ; A comprehensive study on the thermoelectric effect of Ag substitution in GeTe solid solutions, a congenital base for highly efficient TAGS-m [(GeTe)m(AgSbTe2)100m] thermoelectric materials, was performed. First-principles calculations were carried out to probe the changes arising from doping on the electronic band structure of GeTe, which exhibits a rhombohedral (r) structure at temperatures lower than 700 K. Aliovalent Ag substitution in GeTe increases the hole concentration and decreases the thermoelectric figure of merit (zT) due to the reduction of the Seebeck coefficient, which is ascribed mainly to the lowering of the Fermi level together with the loss of band degeneracy. The band structure and effective mass calculations of these doped materials also point to a soaring contribution from several hole pockets in the valence band. First-principles calculations carried out with two other group 11 transition metals (Cu, Au) reveal that silver substitution has the lowest impact on the thermopower of r-GeTe. A mean zT of similar to 0.85 at 773 K is achieved for Ge1xAgxTe (x <= 0.04) solid solutions. The study highlights the limits in doping just a coinage metal to GeTe and recapitulates the need for pair substitution to enhance the thermoelectric properties of GeTe-based solid-state solutions.