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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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Mori, T.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2021Investigation on the power factor of skutterudite smy(FexNi1-x)4Sb12 thin films: Effects of deposition and annealing temperaturecitations
- 2016Thermoelectric properties of the chalcopyrite Cu1-xMxFeS2-y series (M = Mn, Co, Ni)citations
- 2014Thermal conductivity of layered boridescitations
- 2013Residual stress relief due to fatigue in tetragonal lead zirconate titanate ceramicscitations
- 2012Work hardening induced by martensite during transformation-induced plasticity in plain carbon steelcitations
- 2010Microstructural and chemical aspects of working-temperature aged Ca-doped CeO2citations
- 2008Micromechanics of domain switching in rhombohedral PZT ceramicscitations
- 2008Comparison using neutron diffraction of martensitic transformation in Fe-Mn-Si shape memory alloys with and without VN precipitatescitations
- 2007In-situ neutron diffraction study of the rhombohedral to orthorhombic phase transformation in lead zirconate titanate ceramics produced by uniaxial compressioncitations
- 2006Analysis of elastic strain and crystallographic texture in poled rhombohedral PZT ceramicscitations
- 2006Plastic strain-induced rafting of gamma prime precipitates in Ni superalloys: Elasticity analysiscitations
- 2005Texture of poled tetragonal PZT detected by synchrotron X-ray diffraction and micromechanics analysiscitations
- 2005Structures and physical properties of new ??-BEDT-TTF tris-oxalatometallate (III) salts containing chlorobenzene and halomethane guest moleculescitations
- 2005Micromechanics of residual stress and texture development due to poling in polycrystalline ferroelectric ceramicscitations
- 2005Structures and physical properties of new β′-BEDT-TTF tris-oxalatometallate (III) salts containing chlorobenzene and halomethane guest moleculescitations
- 2004Neutron diffraction study of stress-induced martensitic transformation and variant change in Fe-Pd shape memory alloycitations
- 2003Neutron diffraction study of stress-induced martensitic transformation and variant change in Fe-Pdcitations
- 2003Mechanical energy criterion for stress-induced Martensitic Transformationcitations
- 2002Neutron-diffraction study of stress-induced martensitic transformation in TRIP steelcitations
- 2001Steady-state creep of a compositecitations
- 2000Model-neutron diffraction strain measurement comparisons for steady state creep of metal matrix compositescitations
Places of action
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article
Microstructural and chemical aspects of working-temperature aged Ca-doped CeO2
Abstract
Aging behavior investigation can provide a necessary basis for evaluating the suitability of doped ceria as the electrolyte material for intermediate temperature solid oxide fuel cells under working circumstances. In the current study, the microstructural and chemical variations of Ca-doped CeO2 with various aging conditions have been systematically investigated by means of transmission electron microscopy (TEM), electron energy-loss spectroscopy (EELS), X-ray photoemission spectroscopy (XPS) and X-ray diffractometry (XRD). TEM shows that crystal defects in terms of microdomain and superstructure are alleviated by the aging processing. Reduction of the tetravalent Ce can be induced by high temperature aging, and the reduction fraction has been quantitatively determined within a broad temperature range. A new cerium oxide phase with a crystal structure of primitive monoclinic (a = 1.31 +/- 0.013 nm, b = 0.38 +/- 0.004 nm, c = 3.52 +/- 0.035 nm, and beta = 0. 94.7 +/- 0.3 degrees) has been determined in the high temperature aged specimens. The possible effects of the evolutions in the microstructure and material chemistry on the ionic conductivity are discussed. (C) 2010 Elsevier Ltd. All rights reserved.