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Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/121165
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dc.contributor.authorQuesada Cabrera, Raúlen_US
dc.contributor.authorSalamat, Ashkanen_US
dc.contributor.authorBarkalov, Oleg I.en_US
dc.contributor.authorLeynaud, Olivieren_US
dc.contributor.authorHutchins, Peteren_US
dc.contributor.authorDaisenberger, Dominiken_US
dc.contributor.authorMachon, Denisen_US
dc.contributor.authorSella, Andreaen_US
dc.contributor.authorLewis, Dewi W.en_US
dc.contributor.authorMcMillan, Paul F.en_US
dc.date.accessioned2023-03-15T08:23:36Z-
dc.date.available2023-03-15T08:23:36Z-
dc.date.issued2009en_US
dc.identifier.issn0022-4596en_US
dc.identifier.urihttp://hdl.handle.net/10553/121165-
dc.description.abstractThe high-pressure behaviour of NaSi has been studied using Raman spectroscopy and angle-dispersive synchrotron X-ray diffraction to observe the onset of structural phase transformations and potential oligomerisation into anionic Si nanoclusters with extended dimensionality. Our studies reveal a first structural transformation occurring at 8-10 GPa, followed by irreversible amorphisation above 15 GPa, suggesting the formation of Si-Si bonds with oxidation of the Si- species and reduction of Na+ to metallic sodium. We have combined our experimental studies with DFT calculations to assist in the analysis of the structural behaviour of NaSi at high pressure. © 2009 Elsevier Inc. All rights reserved.en_US
dc.languageengen_US
dc.relation.ispartofJournal of Solid State Chemistryen_US
dc.sourceJournal of Solid State Chemistry [ISSN 0022-4596], v. 182(9), p. 2535-2542en_US
dc.subject220406 Fenómenos de alta presiónen_US
dc.subject230117 Espectroscopia Ramnen_US
dc.subject221104 Cristalografíaen_US
dc.subject.otherSodium silicideen_US
dc.subject.otherZintl phaseen_US
dc.subject.otherHigh-pressure transitionen_US
dc.subject.otherSynchrotron X-ray diffractionen_US
dc.subject.otherPressure-induced amorphisationen_US
dc.subject.otherRaman spectroscopyen_US
dc.subject.otherDensity functional calculationen_US
dc.titlePressure-induced structural transformations of the Zintl phase sodium silicideen_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.identifier.doi10.1016/j.jssc.2009.06.037en_US
dc.identifier.scopus2-s2.0-69249202326-
dc.identifier.isiWOS:000274638600029-
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dc.identifier.issue9-
dc.relation.volume182en_US
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.identifier.external20436855-
dc.utils.revisionSíen_US
dc.identifier.ulpgcNoen_US
dc.contributor.buulpgcBU-BASen_US
dc.description.jcr2,34
dc.description.jcrqQ2
dc.description.scieSCIE
item.grantfulltextopen-
item.fulltextCon texto completo-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.orcid0000-0002-6288-9250-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.fullNameQuesada Cabrera, Raúl-
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