693.932 PEOPLE
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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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| 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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Linderoth, Søren
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (48/48 displayed)
- 2016On the Challenges of Reducing Contact Resistances in Thermoelectric Generators Based on Half-Heusler Alloyscitations
- 2016On the Challenges of Reducing Contact Resistances in Thermoelectric Generators Based on Half-Heusler Alloyscitations
- 2016Scandium-doped zinc cadmium oxide as a new stable n-type oxide thermoelectric materialcitations
- 2015Effects of Yttrium and Iron co-doping on the high temperature thermoelectric properties of Ca3Co4O9+δcitations
- 2014High temperature thermoelectric properties of Ca3Co4O9+δ by auto-combustion synthesis and spark plasma sinteringcitations
- 2013High Temperature Thermoelectric Properties of Y and Fe codopants in Ca 3 Co 4 O 9+δ
- 2013High Temperature Thermoelectric Properties of Y and Fe codopants in Ca3Co4O9+δ
- 2013The Influence of α- and γ-Al 2 O 3 Phases on the Thermoelectric Properties of Al-doped ZnOcitations
- 2013The Influence of α- and γ-Al2O3 Phases on the Thermoelectric Properties of Al-doped ZnOcitations
- 2012On the origin of metallic conductivity at the interface of LaAlO3/SrTiO3citations
- 2012Effects of Synthesis and Processing on the Thermoelectric Properties of Ca3Co4O9+δ
- 2012High-temperature segmented thermoelectric oxide module using p-type Ca3Co4O9 and n-type ZnAlO/CaMn0.95Nb0.05O3 legs
- 2012Microstructure and thermoelectric properties of screen-printed thick-films of misfit-layered cobalt oxides with Ag additioncitations
- 2012High-temperature segmented thermoelectric oxide module using p -type Ca 3 Co 4 O 9 and n -type ZnAlO/CaMn 0.95 Nb 0.05 O 3 legs
- 2011Epitaxial growth of atomically flat gadolinia-doped ceria thin films by pulsed laser depositioncitations
- 2011Nanostructured PLD-grown gadolinia doped ceria: Chemical and structural characterization by transmission electron microscopy techniquescitations
- 2011Metallic and Insulating Interfaces of Amorphous SrTiO3-Based Oxide Heterostructurescitations
- 2011The effects of thermal annealing on the structure and the electrical transport properties of ultrathin gadolinia-doped ceria films grown by pulsed laser depositioncitations
- 2011Shrinkage reduction of dental composites by addition of expandable zirconia fillercitations
- 2010Epitaxial growth of atomically flat gadolinia-doped ceria thin films by pulsed laser deposition
- 2010Solid Oxide Fuel Cell
- 2010Solid Oxide Fuel Cell:A method for producing a reversible solid oxid fuel cell
- 2010Factors controlling the microstructure of Ce0.9Gd0.1O2-δ films in pulsed laser deposition process
- 2010A method of producing a multilayer barrier structure for a solid oxide fuel cell
- 2010A method of producing a multilayer barrier structure for a solid oxide fuel cell
- 2010Pulsed laser deposition of gadolinia doped ceria layers at moderate temperature – a seeding approach
- 2009Effects of Heat-treatments on the Mechanical Strength of Coated YSZ: An Experimental Assessmentcitations
- 2009Factors controlling the microstructure of Ce0.9Gd0.1O2-δ films in pulsed laser deposition process
- 2007Inter-diffusion between Co3O4 coatings and the oxide scale on Fe-22Crcitations
- 2007Solid Oxide Fuel Cell Development at Topsoe Fuel Cell A/S and Risø National Laboratorycitations
- 2007Characterization of yttria-stabilized zirconia thin films grown by pulsed laser deposition (PLD) on various substratescitations
- 2007The spatial thickness distribution of metal films produced by large area pulsed laser depositioncitations
- 2007Oxidation of Fe–22Cr Coated with Co3O4: Microstructure Evolution and the Effect of Growth Stressescitations
- 2007Inter-diffusion between Co 3 O 4 coatings and the oxide scale on Fe-22Crcitations
- 2007Formation of thin films of yttria-stabilized zirconia thin films grown by pulse laser deposition (PLD) on various substrates
- 2006Thickness determination of large-area films of yttria-stabilized zirconia produced by pulsed laser depositioncitations
- 2005Oxidation behaviour of newly developed ferritic chromium steels for interconnects in solid oxide fuel cells
- 2005Electrical and structural properties of La0.8Sr0.2Mn0.5Co0.5O3±δ films produced by pulsed laser depositioncitations
- 2005Co3O4 protective coatings prepared by Pulsed Injection Metal Organic Chemical Vapour Depositioncitations
- 2005Thickness determination of large-area films of yttria-stabilized zirconia produced by pulsed laser ablation
- 2003Inter-Diffusion between NiO Coating and the Oxide Scale on Fe-22Cr Alloy
- 2003High temperature oxidation of Fe-Cr alloy in O 2 -H 2 -H 2 O atmospheres; microstructure and kineticscitations
- 2002Direct and indirect measurement of the magnetocaloric effect in a La0.6Ca0.4MnO3 ceramic perovskitecitations
- 2002Interdiffusion between Co3O4 coating and the oxide scale of Fe-22Cr alloy
- 2002Direct and indirect measurement of the magnetocaloric effect in a La 0 . 6 Ca 0 . 4 Mn O 3 ceramic perovskitecitations
- 2000Bulk amorphous alloys: Preparation and properties of (Mg 0 . 9 8 Al 0 . 0 2 ) x (Cu 0 . 7 5 Y 0 . 2 5 ) 1 0 0 - xcitations
- 2000Preparation and Properties of Mg-Cu-Y-Al bulk Amorphous Alloys
- 2000Bulk amorphous alloys: Preparation and properties of (Mg0.98Al0.02)x(Cu0.75Y0.25)100-xcitations
Places of action
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article
The Influence of α- and γ-Al2O3 Phases on the Thermoelectric Properties of Al-doped ZnO
Abstract
A systematic investigation on the microstructure and thermoelectric properties of Al-doped ZnO using α- and γ-Al2O3 as dopants was conducted in order to understand the doping effect and its mechanism. The samples were prepared by the spark plasma sintering technique from precursors calcined at various temperatures. Clear differences in microstructure and thermoelectric properties were observed between the samples doped with α- and γ-Al2O3. At any given calcination temperature, γ-Al2O3 resulted in the formation of a larger amount of the ZnAl2O4 phase in the Al-doped ZnO samples. The average grain size was found to be smaller for the γ-Al2O3-doped samples than that for the α-Al2O3-doped ones under the same sintering condition. It is proposed that the ZnAl2O4 phase is the reason for the observed suppression of grain growth and also for the slightly reduced lattice thermal conductivity exhibited by these samples. The γ-Al2O3 promoted the substitution for donor impurities in ZnO, thus resulting in shrinkage of the unit cell volume and an increase in the electrical conductivity compared with the α-Al2O3-doped ZnO. At a calcination temperature of 1173K, the γ-Al2O3-doped sample showed a ZT value of 0.17 at 1173K, which is 27% higher than that of the α-Al2O3-doped sample.