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Experimental and theoretical study of α–Eu2(MoO4)3 under compression

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Experimental and theoretical study of α–Eu2(MoO4)3 under compression

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dc.contributor.author Guzmán-Afonso, C. es_ES
dc.contributor.author León-Luis, S.F. es_ES
dc.contributor.author Sans-Tresserras, Juan Ángel es_ES
dc.contributor.author González -Silgo, C. es_ES
dc.contributor.author Rodríguez-Hernández, Plácida es_ES
dc.contributor.author Radescu, S. es_ES
dc.contributor.author  Muñoz, A. es_ES
dc.contributor.author López-Solano, J. es_ES
dc.contributor.author Errandonea, D. es_ES
dc.contributor.author Manjón, F.J. es_ES
dc.contributor.author Rodríguez-Mendoza, U.R. es_ES
dc.contributor.author  Lavín, V. es_ES
dc.date.accessioned 2017-07-06T17:33:14Z
dc.date.available 2017-07-06T17:33:14Z
dc.date.issued 2015-11-25
dc.identifier.issn 0953-8984
dc.identifier.uri http://hdl.handle.net/10251/84613
dc.description.abstract The compression process in the α-phase of europium trimolybdate was revised employing several experimental techniques. X-ray diffraction (using synchrotron and laboratory radiation sources), Raman scattering and photoluminescence experiments were performed up to a maximum pressure of 21 GPa. In addition, the crystal structure and Raman mode frequencies have been studied by means of first-principles density functional based methods. Results suggest that the compression process of α-Eu2(MoO4)3 can be described by three stages. Below 8 GPa, the α-phase suffers an isotropic contraction of the crystal structure. Between 8 and 12 GPa, the compound undergoes an anisotropic compression due to distortion and rotation of the MoO4 tetrahedra. At pressures above 12 GPa, the amorphization process starts without any previous occurrence of a crystalline-crystalline phase transition in the whole range of pressure. This behavior clearly differs from the process of compression and amorphization in trimolybdates with β′-phase and tritungstates with α-phase. es_ES
dc.description.sponsorship We thank Diamond Light Source for access to beamline I15 (EE1746) that contributed to the results presented here. Part of the diffraction measurements were performed at the 'Servicio Integrado de Difraccion de Rayos X (SIDIX)' of University of La Laguna. This work has been supported by Ministerio de Economia y Competitividad of Spain (MINECO) for the research projects through the National Program of Materials (MAT2010-21270-C04-01/02/03/04, MAT2013-46649-C41/2/3/4-P and MAT2013-43319-P), the Consolider-Ingenio 2010 MALTA (CSD2007-00045), the project of Generalitat Valenciana (GVA-ACOMP/2014/243) and by the European Union FEDER funds. C Guzman-Afonso wishes to thank ACIISI and FSE for a fellowship. J A Sans thanks the FPI and 'Juan de la Cierva' programs for fellowships. en_EN
dc.language Inglés es_ES
dc.publisher IOP Publishing es_ES
dc.relation.ispartof Journal of Physics: Condensed Matter es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject High pressure es_ES
dc.subject X-ray diffraction es_ES
dc.subject Raman scaterring es_ES
dc.subject Photoluminescence es_ES
dc.subject Rare earth trimolybdates es_ES
dc.subject α-phase es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title Experimental and theoretical study of α–Eu2(MoO4)3 under compression es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1088/0953-8984/27/46/465401
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2013-43319-P/ES/CORRELACION ESTABILIDAD ESTRUCTURAL Y PROPIEDADES NO LINEALES DE DIELECTRICOS MULTIFUNCIONALES/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEC//CSD2007-00045/ES/MATERIA A ALTA PRESION/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//ACOMP%2F2014%2F243/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//MAT2010-21270-C04-04/ES/CRECIMIENTO Y CARACTERIZACION DE NANOESTRUCTURAS DE OXIDOS METALICOS BAJO ALTAS PRESIONES/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//MAT2010-21270-C04-01/ES/SINTESIS Y CARACTERIZACION OPTICA, ELECTRONICA, ESTRUCTURAL Y VIBRACIONAL DE NUEVOS MATERIALES BAJO CONDICIONES/ EXTREMAS DE PRESION Y TEMPERATURA/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//MAT2010-21270-C04-02/ES/SINTESIS Y CARACTERIZACION DE MATERIALES CON IONES LUMINESCENTES BAJO CONDICIONES EXTREMAS DE PRESION Y TEMPERATURA/ EXTREMAS DE PRESION Y TEMPERATURA/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Diseño para la Fabricación y Producción Automatizada - Institut de Disseny per a la Fabricació i Producció Automatitzada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.description.bibliographicCitation Guzmán-Afonso, C.; León-Luis, S.; Sans-Tresserras, JÁ.; González -Silgo, C.; Rodríguez-Hernández, P.; Radescu, S.;  muñoz, A.... (2015). Experimental and theoretical study of α–Eu2(MoO4)3 under compression. Journal of Physics: Condensed Matter. 27(46):465401-1-465401-11. https://doi.org/10.1088/0953-8984/27/46/465401 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1088/0953-8984/27/46/465401 es_ES
dc.description.upvformatpinicio 465401-1 es_ES
dc.description.upvformatpfin 465401-11 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 27 es_ES
dc.description.issue 46 es_ES
dc.relation.senia 297730 es_ES
dc.identifier.eissn 1361-648X
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Ministerio de Educación y Ciencia es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Agencia Canaria de Investigación, Innovación y Sociedad de la Información es_ES
dc.contributor.funder European Regional Development Fund es_ES
dc.contributor.funder European Social Fund es_ES


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