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High-pressure study of the behavior of mineral barite by X-ray diffraction

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High-pressure study of the behavior of mineral barite by X-ray diffraction

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dc.contributor.author Santamaría-Pérez, D. es_ES
dc.contributor.author Gracia, L. es_ES
dc.contributor.author Garbarino, G. es_ES
dc.contributor.author Beltrán, A. es_ES
dc.contributor.author Chuliá-Jordán, R. es_ES
dc.contributor.author Gomis Hilario, Oscar es_ES
dc.contributor.author Errandonea, D. es_ES
dc.contributor.author Ferrer-Roca, Ch. es_ES
dc.contributor.author Martínez-García, D. es_ES
dc.contributor.author Segura, A. es_ES
dc.date.accessioned 2015-03-06T10:03:59Z
dc.date.available 2015-03-06T10:03:59Z
dc.date.issued 2011-08-02
dc.identifier.issn 1098-0121
dc.identifier.uri http://hdl.handle.net/10251/47798
dc.description.abstract In this paper, we report the angle-dispersive x-ray diffraction data of barite, BaSO 4, measured in a diamond-anvil cell up to a pressure of 48 GPa, using three different fluid pressure-transmitting media (methanol-ethanol mixture, silicone oil, and He). Our results show that BaSO 4 exhibits a phase transition at pressures that range from 15 to 27 GPa, depending on the pressure media used. This indicates that nonhydrostatic stresses have a crucial role in the high-pressure behavior of this compound. The new high-pressure (HP) phase has been solved and refined from powder data, having an orthorhombic P2 12 12 1 structure. The pressure dependence of the structural parameters of both room- and HP phases of BaSO 4 is also discussed in light of our theoretical first-principles total-energy calculations. Finally, a comparison between the different equations of state obtained in our experiments is reported. © 2011 American Physical Society. es_ES
dc.description.sponsorship Financial support from the Spanish Consolider Ingenio 2010 Program (Project No. CDS2007-00045) is acknowledged. The work was also supported by Spanish MICCIN under Projects No. CTQ2009-14596-C02-01 and No. MAT2010-21270-C04-01 as well as from Comunidad de Madrid and European Social Fund: S2009/PPQ-1551 4161893 (QUIMAPRES). The ESRF is acknowledged for provision of beamtime. en_EN
dc.language Inglés es_ES
dc.publisher American Physical Society es_ES
dc.relation Spanish Consolider Ingenio [CDS2007-00045] es_ES
dc.relation Spanish MICCIN [CTQ2009-14596-C02-01, MAT2010-21270-C04-01] es_ES
dc.relation Comunidad de Madrid es_ES
dc.relation European Social Fund [S2009/PPQ-1551 4161893 (QUIMAPRES)] es_ES
dc.relation.ispartof Physical Review B es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject BASO4 es_ES
dc.subject Density es_ES
dc.subject Cations es_ES
dc.subject Oxides es_ES
dc.subject Temperature es_ES
dc.subject Transition es_ES
dc.subject Raman es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title High-pressure study of the behavior of mineral barite by X-ray diffraction es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1103/PhysRevB.84.054102
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Centro de Tecnologías Físicas: Acústica, Materiales y Astrofísica - Centre de Tecnologies Físiques: Acústica, Materials i Astrofísica es_ES
dc.description.bibliographicCitation Santamaría-Pérez, D.; Gracia, L.; Garbarino, G.; Beltrán, A.; Chuliá-Jordán, R.; Gomis Hilario, O.; Errandonea, D.... (2011). High-pressure study of the behavior of mineral barite by X-ray diffraction. Physical Review B. 84:54102-1-54102-8. doi:10.1103/PhysRevB.84.054102 es_ES
dc.description.accrualMethod Senia es_ES
dc.relation.publisherversion http://journals.aps.org/prb/pdf/10.1103/PhysRevB.84.054102 es_ES
dc.description.upvformatpinicio 54102-1 es_ES
dc.description.upvformatpfin 54102-8 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 84 es_ES
dc.relation.senia 193449
dc.identifier.eissn 1550-235X


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