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dc.creatorVega Castillo, Jesus Eduardo-
dc.creatorBuvat, Gaëtan-
dc.creatorCorbel, Gwenaël-
dc.creatorKassiba, Abdelhadi-
dc.creatorLacorre, Philippe-
dc.creatorCaneiro, Alberto-
dc.date2018-10-30T18:35:19Z-
dc.date2018-10-30T18:35:19Z-
dc.date2017-05-
dc.date2018-10-22T17:59:13Z-
dc.date.accessioned2019-04-29T15:27:49Z-
dc.date.available2019-04-29T15:27:49Z-
dc.date.issued2018-10-30T18:35:19Z-
dc.date.issued2018-10-30T18:35:19Z-
dc.date.issued2017-05-
dc.date.issued2018-10-22T17:59:13Z-
dc.identifierVega Castillo, Jesus Eduardo; Buvat, Gaëtan; Corbel, Gwenaël; Kassiba, Abdelhadi; Lacorre, Philippe; et al.; On the local order of amorphous La2Mo2O6.7; Royal Society of Chemistry; Dalton Transactions; 46; 22; 5-2017; 7273-7283-
dc.identifier1477-9226-
dc.identifierhttp://hdl.handle.net/11336/63325-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/294605-
dc.descriptionThe amorphous reduction product of the oxide ion conductor La2Mo2O9 was previously shown to be a good, sulphur-tolerant, anode material for solid oxide fuel cell devices (X. C. Lu, J. H. Zhu, J. Electrochem. Soc., 2008, 155(10), B1053). In this paper, we study the local order of amorphous La2Mo2O6.7 using X-ray absorption spectroscopy analyses and electronic paramagnetic resonance. The extended X-ray absorption fine structure analysis of local arrangements around Mo in La2Mo2O6.7 is first carried out on the basis of strong distortions from three crystalline models of La2Mo2O9, La7Mo7O30 and La2Mo2O7. The extended X-ray absorption fits obtained from both La2Mo2O9 and La7Mo7O30 yield similar atomic arrangements in the amorphous phase, upon large atomic displacements. However it is also possible to fit the spectrum using the paths of La2Mo2O7, in better agreement with EPR results suggesting the presence of Mo-Mo pairs. Simpler arrangements, built from theoretical single scattering paths, are considered. All models are discussed and compared. A most probable short range structure around Mo in this amorphous phase is proposed. It both fulfills EPR results and appears coherent with the presence of ionic conductivity.-
dc.descriptionFil: Vega Castillo, Jesus Eduardo. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina. Universite Bretagne-Loire; Francia-
dc.descriptionFil: Buvat, Gaëtan. Universite Bretagne-Loire; Francia-
dc.descriptionFil: Corbel, Gwenaël. Universite Bretagne-Loire; Francia-
dc.descriptionFil: Kassiba, Abdelhadi. Universite Bretagne-Loire; Francia-
dc.descriptionFil: Lacorre, Philippe. Universite Bretagne-Loire; Francia-
dc.descriptionFil: Caneiro, Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherRoyal Society of Chemistry-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://pubs.rsc.org/en/content/articlelanding/2017/dt/c7dt00637c-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1039/C7DT00637C-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectLAMOX-
dc.subjectEXAFS-
dc.subjectSOFC-
dc.subjectANODE-
dc.subjectRecubrimientos y Películas-
dc.subjectIngeniería de los Materiales-
dc.subjectINGENIERÍAS Y TECNOLOGÍAS-
dc.titleOn the local order of amorphous La2Mo2O6.7-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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