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dc.contributor.author
Alonso, José Antonio
dc.contributor.author
Mayer, Sergio Federico
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Falcon, Horacio
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Turrillas, Xabier
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Fernández Díaz, María Teresa
dc.date.available
2020-02-14T17:01:43Z
dc.date.issued
2017-01-13
dc.identifier.citation
Alonso, José Antonio; Mayer, Sergio Federico; Falcon, Horacio; Turrillas, Xabier; Fernández Díaz, María Teresa; Potassium disorder in the defect pyrochlore KSbTeO6: A neutron diffraction study; MDPI AG; Crystals; 7; 1; 13-1-2017; 1-7
dc.identifier.issn
2073-4352
dc.identifier.uri
http://hdl.handle.net/11336/97574
dc.description.abstract
KSbTeO6 defect pyrochlore has been prepared from K2C2O4, Sb2O3, and 15% excess TeO2 by solid-state reaction at 850 °C. Direct methods implemented in the software EXPO2013 allowed establishing the basic structural framework. This was followed by a combined Rietveld refinement from X-ray powder diffraction (XRD) and neutron powder diffraction (NPD) data, which unveiled additional structural features. KSbTeO6 is cubic, a = 10.1226(7) Å, space group Fd3m, Z = 8 and it is made of a mainly covalent framework of corner-sharing (Sb,Te)O6 octahedra, with weakly bonded K+ ions located within large cages. The large K-O distances, 3.05(3)–3.07(3) Å, and quite large anisotropic atomic displacement parameters account for the easiness of K+ exchange for other cations of technological importance.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
MDPI AG
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AB2O6
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ASBTEO6
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IONIC DIFFUSION
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NEUTRON POWDER DIFFRACTION
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PYROCHLORES
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Cerámicos
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Potassium disorder in the defect pyrochlore KSbTeO6: A neutron diffraction study
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-02-12T17:47:41Z
dc.identifier.eissn
2073-4352
dc.journal.volume
7
dc.journal.number
1
dc.journal.pagination
1-7
dc.journal.pais
Suiza
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Basel
dc.description.fil
Fil: Alonso, José Antonio. Instituto de Ciencia de Materiales de Madrid; España
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Fil: Mayer, Sergio Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación en Nanociencia y Nanotecnología; Argentina
dc.description.fil
Fil: Falcon, Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación en Nanociencia y Nanotecnología; Argentina
dc.description.fil
Fil: Turrillas, Xabier. ALBA Synchrotron; España. Consejo Superior de Investigaciones Científicas. Instituto de Ciencia de los Materiales de Barcelona; España
dc.description.fil
Fil: Fernández Díaz, María Teresa. Institut Laue Langevin; Francia
dc.journal.title
Crystals
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.mdpi.com/2073-4352/7/1/24
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/cryst7010024
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