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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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Azad, Abul Kalam
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2019Biodegradation of reactive textile dye Novacron Super Black G by free cells of newly isolated Alcaligenes faecalis AZ26 and Bacillus spp obtained from textile effluents.citations
- 2017Studies on the crystal structure, magnetic and conductivity properties of titanium oxycarbide solid solution (TiO1-xCx)citations
- 2016Studies on the crystal structure, magnetic and conductivity properties of titanium oxycarbide solid solution (TiO 1-x C x )citations
- 2016Studies on the crystal structure, magnetic and conductivity properties of titanium oxycarbide solid solution (TiO1-xCx)citations
- 2015A 60-second microwave-assisted synthesis of nickel foam and its application to the impregnation of porous scaffoldscitations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln 2 CuO 4citations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln2CuO4citations
- 2009Synthesis, structure and magnetic properties of Sr2Fe1-xGaxMoO6 (0 ≤ x ≤ 0.6) double perovskitescitations
- 2009Location of Deuterium Positions in the Proton-Conducting Perovskite BaCe0.4Zr0.4Sc0.2O2.90·x D2Oby Neutron Powder Diffractioncitations
- 2009Location of Deuterium Positions in the Proton-Conducting Perovskite BaCe 0.4 Zr 0.4 Sc 0.2 O 2.90 · x D 2 Oby Neutron Powder Diffractioncitations
- 2009Synthesis, structure and magnetic properties of Sr 2 Fe 1-x Ga x MoO 6 (0 ≤ x ≤ 0.6) double perovskitescitations
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article
Location of Deuterium Positions in the Proton-Conducting Perovskite BaCe0.4Zr0.4Sc0.2O2.90·x D2Oby Neutron Powder Diffraction
Abstract
<p>Structural studies from X-ray and high-resolution neutron powder diffraction data collected on deuterated and nondeuterated BaCe0.4Zr0.4Sc0.2O2.9 center dot x(D2O) have been carried out. Although X-ray diffraction suggested that a sample of the nominal composition was single phase cubic, neutron diffraction showed the structure as single phase orthorhombic in the space group Pbnm. The structural distortion can be related to the determination of accurate oxygen positions in the structure by neutron diffraction. Rietveld refinement of the neutron diffraction data and subsequent Fourier nuclear density maps have proved to be successful in locating the deuterium (D) positions despite the low occupancies present, with a final composition of BaCe0.4Zr0.4Sc0.2O2.90 center dot 0.10(D2O) and the D position associated with the O1 position in the Ba-containing plane. TGA analysis in dry air on the deuterated sample shows the 0.70% weight loss for heating from room temperature to 900 C which corresponds to the D2O loss of 0.10/formula unit. The unit-cell volume for the deuterated phase was found to be higher than the nondeuterated phase (i.e., dry) at 295 K, i.e., V = 311.59(5) angstrom(3) compared with 310.91(5) angstrom(3). The O1-D distance was found to be 1.06(1) angstrom. The presence of anisotropic displacements for oxygen was observed during the refinement.</p>