693.932 PEOPLE
| 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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Lenoir, Bertrand
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (103/103 displayed)
- 2024Unravelling the need for balancing band convergence and resonant level in Sn 1- x - y In x Mn y Te for high thermoelectric performancecitations
- 2024Influence of Sn Bi Antisite Defects on the Electronic Band Structure and Transport Properties of the Layered Chalcogenide Semiconductor SnBi 2 Te 4citations
- 2024AsTe 3 : A novel crystalline semiconductor with ultralow thermal conductivity obtained by congruent crystallization from parent glasscitations
- 2024Effect on thermoelectric and mechanical properties of interstitial void filling by Cu in ZrNiSn HH alloycitations
- 2023Large-scale colloidal synthesis of chalcogenides for thermoelectric applicationscitations
- 2023Approaching the minimum lattice thermal conductivity in TiCoSb half-Heusler alloys by intensified point-defect phonon scatteringcitations
- 2023Approaching the minimum lattice thermal conductivity in TiCoSb half-Heusler alloys by intensified point-defect phonon scatteringcitations
- 2023Coupling of electronic transport and defect engineering substantially enhances the thermoelectric performance of p-type TiCoSb HH alloycitations
- 2023Realization of Band Convergence in p-Type TiCoSb Half-Heusler Alloy Significantly Enhances the Thermoelectric Performancecitations
- 2022Influence of Thermoelectric Properties and Parasitic Effects on the Electrical Power of Thermoelectric Micro-Generatorscitations
- 2021Synthesis, crystal structure and transport properties of the cluster compounds Tl2Mo15S19 and Ag3Tl2Mo15S19citations
- 2021Synthesis, crystal structure and transport properties of the cluster compounds Tl 2 Mo 15 S 19 and Ag 3 Tl 2 Mo 15 S 19citations
- 2021Synthesis and physical properties of single-crystalline InTe: towards high thermoelectric performancecitations
- 2021Tl 0.6 Mo 3 S 5 , an original large tunnel-like molybdenum sulfide with Mo zigzag chains and disordered Tl cationscitations
- 2021Residual resistivity as an independent indicator of resonant levels in semiconductorscitations
- 2021Enhanced thermoelectric performance of InTe through Pb dopingcitations
- 2021Tl0.6Mo3S5, an original large tunnel-like molybdenum sulfide with Mo zigzag chains and disordered Tl cationscitations
- 2021Composites to Produce a Material with Zero Absolute Thermopower S = 0 or a Thermopower Switch between S = 0 and S ≠ 0
- 2020Band structure engineering in Sn 1.03 Te through an In-induced resonant levelcitations
- 2020Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO 2 ceramics: from polarons to Nb–Nb dimerscitations
- 2020Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO 2 ceramics: from polarons to Nb–Nb dimerscitations
- 2020Influence of Nanostructuration on the Vibrational, Electronic and Optical Properties of CrSi 2 Thin Filmscitations
- 2020Influence of Nanostructuration on the Vibrational, Electronic and Optical Properties of CrSi<sub>2</sub> Thin Filmscitations
- 2020Unravelling the Beneficial Influence of Ag insertion on the Thermoelectric Properties of the Cluster Compound K 2 Mo 15 Se 19citations
- 2020Structural and transport properties of quenched and melt-spun Bi x Sb 2−x Te 3 solid solutions (x = 0.40 and 0.48)citations
- 2020Structural and transport properties of quenched and melt-spun Bi<sub>x</sub>Sb<sub>2−x</sub>Te<sub>3</sub> solid solutions (x = 0.40 and 0.48)citations
- 2019Band structure engineering in Sn 1.03 Te through an In-induced resonant levelcitations
- 2019Thermoelectric properties of the tetrahedrite–tennantite solid solutions Cu 12 Sb 4−x As x S 13 and Cu 10 Co 2 Sb 4−y As y S 13 (0 ≤ x, y ≤ 4)citations
- 2019Electronic Band Structure and Transport Properties of the Cluster Compound Ag3Tl2Mo15Se19citations
- 2019Electronic Band Structure and Transport Properties of the Cluster Compound Ag3Tl2Mo15Se19citations
- 2019Electronic Transport in Alloys with Phase Separation (Composites)citations
- 2019Comprehensive study of the low-temperature transport properties of polycrystalline Sn1+xTe (x=0 and 0.03)citations
- 2019Thermoelectric properties of the tetrahedrite–tennantite solid solutions Cu 12 Sb 4−x As x S 13 and Cu 10 Co 2 Sb 4−y As y S 13 (0 ≤ x , y ≤ 4)citations
- 2019Electronic Band Structure and Transport Properties of the Cluster Compound Ag 3 Tl 2 Mo 15 Se 19citations
- 2018An Sn-induced resonant level in β-As 2 Te 3citations
- 2018Influence of S and Te substitutions on the thermoelectric properties of the cluster compound Ag3.8Mo9Se11citations
- 2018Improved ZT in ball‐milled and spark plasma sintered Cu 15 As 30 Te 55 glass ceramicscitations
- 2018Stabilization of Metastable Thermoelectric Crystalline Phases by Tuning the Glass Composition in the Cu–As–Te Systemcitations
- 2018Stabilization of Metastable Thermoelectric Crystalline Phases by Tuning the Glass Composition in the Cu–As–Te Systemcitations
- 2018Crystal Structure and Transport Properties of the Homologous Compounds (PbSe) 5 (Bi 2 Se 3 ) 3 m ( m = 2, 3)citations
- 2017Thermoelectric properties and stability of glasses in the Cu-As-Te systemcitations
- 2017Thermoelectric properties and stability of glasses in the Cu-As-Te systemcitations
- 2017Structural and Electrical Properties Characterization of Sb 1.52 Bi 0.48 Te 3.0 Melt-Spun Ribbonscitations
- 2017Synthesis, Crystal Structure, and Transport Properties of the Hexagonal Mo9 Cluster Compound Ag3RbMo9Se11citations
- 2017Structural and Electrical Properties Characterization of Sb1.52Bi0.48Te3.0 Melt-Spun Ribbonscitations
- 2017Structural and Electrical Properties Characterization of Sb1.52Bi0.48Te3.0 Melt-Spun Ribbonscitations
- 2017Improved Thermoelectric Properties in Melt-Spun SnTecitations
- 2017Effect of Isovalent Substitution on the Electronic Structure and Thermoelectric Properties of the Solid Solution α‑As2Te3−xSex (0 ≤ x ≤ 1.5) citations
- 2017Effect of Isovalent Substitution on the Electronic Structure and Thermoelectric Properties of the Solid Solution α‑As2Te3−xSex (0 ≤ x ≤ 1.5)citations
- 2017Effect of Isovalent Substitution on the Electronic Structure and Thermoelectric Properties of the Solid Solution α‑As 2 Te 3−x Se x (0 ≤ x ≤ 1.5)citations
- 2017Stabilization of Metastable Thermoelectric Crystalline Phases by Tuning the Glass Composition in the Cu–As–Te Systemcitations
- 2017Thermoelectric properties in double-filled Ce0.3InyFe1.5Co2.5Sb12 p-type skutteruditescitations
- 2017High Temperature Transport Properties of Colusite Cu 24 T 2 V 2 Ge 6 S 32 ( T = Ni, Co)citations
- 2017HPHT synthesis of highly doped InxCo4Sb12 – Experimental and theoretical studycitations
- 2017Mesostructured thermoelectric Co1−yMySb3 (M = Ni, Pd) skutteruditescitations
- 2017Mesostructured thermoelectric Co1−yMySb3 (M = Ni, Pd) skutteruditescitations
- 2016Synthesis, crystal structure and high-temperature transport properties of the new cluster compound Rb2Mo15Se19citations
- 2016Cu Insertion Into the Mo 12 Cluster Compound Cs 2 Mo 12 Se 14 : Synthesis, Crystal and Electronic Structures, and Physical Propertiescitations
- 2016Fast and scalable preparation of tetrahedrite for thermoelectrics via glass crystallizationcitations
- 2016Low-Temperature Transport Properties of Bi-Substituted b-As2Te3 Compoundscitations
- 2016Electronic structure, low-temperature transport and thermodynamic properties of polymorphic b-As2Te3citations
- 2016Low-Temperature Transport Properties of Bi-Substituted β-As 2 Te 3 Compoundscitations
- 2016Electronic structure, low-temperature transport and thermodynamic properties of polymorphic β-As 2 Te 3citations
- 2016Cu Insertion Into the Mo12 Cluster Compound Cs2Mo12Se14: Synthesis, Crystal and Electronic Structures, and Physical Propertiescitations
- 2016Cu Insertion Into the Mo12 Cluster Compound Cs2Mo12Se14: Synthesis, Crystal and Electronic Structures, and Physical Propertiescitations
- 2016Synthesis, crystal structure and high-temperature transport properties of the new cluster compound Rb 2 Mo 15 Se 19citations
- 2016Electrical, Thermal, and Magnetic Characterization of Natural Tetrahedrites–Tennantites of Different Origin.citations
- 2015Crystal structure, electronic band structure and high-temperature thermoelectric properties of Te-substituted tetrahedrites Cu 12 Sb 4-x Te x S 13 (0.5 <= x <= 2.0)citations
- 2015Effective medium theory based modeling of the thermoelectric properties of composites: comparison between predictions and experiments in the glass-crystal composite system Si10As15Te75–Bi0.4Sb1.6Te3citations
- 2015A round Robin test of the uncertainty on the measurements o the thermoelectric dimensionless figure of merite of Co0.87Ni0.03Sb3citations
- 2015Crystal structure, electronic band structure and high-temperature thermoelectric properties of Te-substituted tetrahedrites Cu12Sb4-xTexS13 (0.5 <= x <= 2.0)citations
- 2015Effective medium theory based modeling of the thermoelectric properties of composites: comparison between predictions and experiments in the glass-crystal composite system Si 10 As 15 Te 75 –Bi 0.4 Sb 1.6 Te 3citations
- 2014X‑ray Characterization, Electronic Band Structure, and Thermoelectric Properties of the Cluster Compound Ag2Tl2Mo9Se11citations
- 2014Assessment of the thermoelectric performance of polycrystalline p-type SnSecitations
- 2014Thermoelectric properties of In0.2Co4Sb12 skutterudites with embedded PbTe or ZnO nanoparticlescitations
- 2013Electronic band structure, magnetic, transport and thermodynamic properties of In-filled skutterudites In x Co 4 Sb 12citations
- 2013A comprehensive study of the crystallization of Cu-As-Te glasses: microstructure and thermoelectric propertiescitations
- 2013Electronic band structure, magnetic, transport and thermodynamic properties of In-filled skutterudites InxCo4Sb12citations
- 2013Electronic band structure, magnetic, transport and thermodynamic properties of In-filled skutterudites InxCo4Sb12citations
- 2013Effect of Nanostructuring on the Thermoelectric Properties of Co0.97Pd0.03Sb3citations
- 2013Thermal stability and thermoelectric properties of CuxAs40−xTe60−ySey semiconducting glassescitations
- 2013High temperature thermoelectric properties of CoSb3 skutterudites with PbTe inclusionscitations
- 2013Superiority of ion irradiation over annealing for enhancing the thermopower of PbTe thin filmscitations
- 2013Thermal stability and thermoelectric properties of Cu x As 40−x Te 60−y Se y semiconducting glassescitations
- 2012Low temperature thermoelectric properties of PbTe–CoSb3 compositescitations
- 2012Synthesis, Crystal and Electronic Structures and Thermoelectrical Properties of the Novel Cluster Compound Ag3In2Mo15Se19citations
- 2012Synthesis, Crystal and Electronic Structures and Thermoelectrical Properties of the Novel Cluster Compound Ag3In2Mo15Se19citations
- 2012Synthesis, Crystal and Electronic Structures and Thermoelectric Properties of the Novel Cluster Compound Ag 3 In 2 Mo 15 Se 19citations
- 2012Optimization of Bulk Thermoelectrics: Influence of Cu Insertion in Ag3.6Mo9Se11citations
- 2012Optimization of Bulk Thermoelectrics: Influence of Cu Insertion in Ag3.6Mo9Se11citations
- 2011Promising thermoelectric properties in AgxMo9Se11 compounds (3.4 ≤ x ≤ 3.9)citations
- 2011Promising thermoelectric properties in AgxMo9Se11 compounds (3.4 ≤ x ≤ 3.9)citations
- 2011Cage-Shaped Mo9 Chalcogenides: Promising Thermoelectric Materials with Significantly Low Thermal Conductivitycitations
- 2010Crystal structure and transport properties of Ba 8 Ge 43 □ 3citations
- 2010Transport and magnetic properties of Mo2.5Ru0.5Sb7−xTexcitations
- 2010Transport and magnetic properties of Mo 2.5 Ru 0.5 Sb 7−x Te xcitations
- 2010High thermoelectric power factor in Fe-substituted Mo3Sb7citations
- 2010High thermoelectric power factor in Fe-substituted Mo 3 Sb 7citations
- 2009Neutron Diffraction, Electronic Band Structure, and Electrical Resistivity of Mo 3−x Ru x Sb 7citations
- 2005Beneficial effect of Ni substitution on the thermoelectric properties in partially filled CayCo4−xNixSb12 skutteruditescitations
- 2005Experimental setup for the measurement of the electrical resistivity and thermopower of thin films and bulk materialscitations
- 2004Transport properties of Ti-Ni-Zr films grown by pulsed laser depositioncitations
- 2000Preparation and transport properties of polycrystalline Bi and Bi–SiO2 nanocompositescitations
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article
Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO 2 ceramics: from polarons to Nb–Nb dimers
Abstract
Rutile is the most common and stable polymorph form of titanium oxide TiO<sub>2</sub> at all temperatures. The doping of rutile TiO<sub>2</sub> with a small amount of niobium is reknown for being responsible for a large increase of the electrical conductivity by several orders of magnitude, broadening its technological interest towards new emerging fields such as the thermoelectric conversion of waste heat. The electronic conduction has been found to be of a polaronic nature with strongly localized charges around the Ti<sup>3+</sup> centers while, on the other side, the relatively high value of the thermal conductivity implies the existence of lattice heat carriers, i.e. phonons, with large mean free paths which makes the nanostructuration relevant for optimizing the thermoelectric efficiency. Here, the use of a high-pressure and high-temperature sintering technique has allowed to vary the grain size in rutile TiO<sub>2</sub> pellets from 300 to 170 nm, leading to a significant reduction of the lattice thermal conductivity. The thermoelectric properties (electrical conductivity, Seebeck coefficient and thermal conductivity) of Nb-doped rutile nanostructured ceramics, namely Nb<sub>x</sub>Ti<sub>1−x</sub>O<sub>2</sub> with x varying from 1 to 5%, are reported from room temperature to ∼900 K. With the incorporation of Nb, an optimum in the thermoelectric properties together with an anomaly on the tetragonal lattice constant c are observed for a concentration of ∼2.85%, which might be the fingerprint of the formation of short Nb dimers.