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dc.contributor.authorPanchal, V.
dc.contributor.authorErrandonea, D.
dc.contributor.authorManjón, F.J.
dc.contributor.authorMuñoz, A.
dc.contributor.authorRodríguez-Hernández, P.
dc.contributor.authorAchary, S.N.
dc.contributor.authorTyagi, A.K.
dc.date.accessioned2017-03-30T07:45:06Z
dc.date.available2017-03-30T07:45:06Z
dc.date.issued2017
dc.identifier.issn0022-3697
dc.identifier.urihttp://riull.ull.es/xmlui/handle/915/4395
dc.identifier.urihttp://dx.doi.org/10.1016/j.jpcs.2016.10.001
dc.description.abstractHigh-pressure Raman-scattering measurements and ab initio calculations on NdVO4 have been carried out up to 30 GPa. Our combined experimental and theoretical study confirms that beyond 5.9 GPa NdVO4 undergoes an irreversible zircon to monazite transition. The coexistence of zircon and monazite phases is experimentally observed up to ~8 GPa (which agrees with the theoretical transition pressure), stabilizing the monazite phase as a single phase around 10 GPa. Calculations additionally predict the existence of a second high-pressure phase transition at 12.4 GPa. This reversible phase transition has been experimentally observed beyond 18.1 GPa and remains stable up to 30 GPa. The post-monazite phase is predicted to have a monoclinic structure isomorphic to the BaWO4-II type structure. The calculated structure for the three polymorphs of NdVO4 is reported and the pressure dependence of their Raman modes is discussed.es_ES
dc.format.mimetypeapplication/pdf
dc.language.isoenes_ES
dc.publisherElsevieres_ES
dc.relation.ispartofseriesJournal of Physics and Chemistry of Solids;100, 2017
dc.rightsLicencia Creative Commons (Reconocimiento-No comercial-Sin obras derivadas 4.0 internacional)es_ES
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es_ES
dc.subjectEspectroscopiaes_ES
dc.subjectAlta presiónes_ES
dc.titleHigh-pressure lattice-dynamics of NdVO4es_ES
dc.typeinfo:eu-repo/semantics/article


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