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dc.contributor.author | Errandonea, Daniel | es_ES |
dc.contributor.author | Kumar, R.S. | es_ES |
dc.contributor.author | Achary, S.N. | es_ES |
dc.contributor.author | Gomis Hilario, Oscar | es_ES |
dc.contributor.author | Manjón Herrera, Francisco Javier | es_ES |
dc.contributor.author | Shukla, R. | es_ES |
dc.contributor.author | Tyagi, A.K. | es_ES |
dc.date.accessioned | 2014-02-21T12:32:43Z | |
dc.date.available | 2014-02-21T12:32:43Z | |
dc.date.issued | 2012-03-08 | |
dc.identifier.issn | 0021-8979 | |
dc.identifier.uri | http://hdl.handle.net/10251/35868 | |
dc.description.abstract | In this paper we report a new high-pressure rhombohedral phase of Ce2Zr2O8 observed in high-pressure angle-dispersive x-ray diffraction and Raman spectroscopy studies up to nearly 12 GPa. The ambient-pressure cubic phase of Ce2Zr2O8 transforms to a rhombohedral structure beyond 5 GPa with a feeble distortion in the lattice. The pressure evolution of the unit-cell volume showed a change in compressibility above 5 GPa. The unit-cell parameters of the high-pressure rhombohedral phase at 12.1 GPa are a h = 14.6791(3) Å, c h = 17.9421(5) Å, and V = 3348.1(1) Å3. The structure relations between the parent cubic (P213) and rhombohedral (P32) phases were obtained via group-subgroup relations. All the Raman modes of the cubic phase showed linear evolution with pressure, with the hardest one at 197 cm¿1. Some Raman modes of the high-pressure phase have a non-linear evolution with pressure, and softening of one low-frequency mode with pressure is found. The compressibility, equation of state, and pressure coefficients of Raman modes of Ce2Zr2O8 are also reported. © 2012 American Institute of Physics | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | American Institute of Physics (AIP) | es_ES |
dc.relation.ispartof | Journal of Applied Physics | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | high pressure | es_ES |
dc.subject | Crystal structure | es_ES |
dc.subject | x-ray diffraction | es_ES |
dc.subject | powders | es_ES |
dc.subject | fluorite | es_ES |
dc.subject | raman spectra | es_ES |
dc.subject | phase transitions | es_ES |
dc.subject | Oxidation | es_ES |
dc.subject | Equations of state | es_ES |
dc.subject | rietveld refinement | es_ES |
dc.subject.classification | FISICA APLICADA | es_ES |
dc.title | New high-pressure phase and equation of state of Ce2Zr2O8 | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1063/1.3692807 | |
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.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.description.bibliographicCitation | Errandonea, D.; Kumar, R.; Achary, S.; Gomis Hilario, O.; Manjón Herrera, FJ.; Shukla, R.; Tyagi, A. (2012). New high-pressure phase and equation of state of Ce2Zr2O8. Journal of Applied Physics. 111:535191-5351910. doi:10.1063/1.3692807 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1063/1.3692807 | es_ES |
dc.description.upvformatpinicio | 535191 | es_ES |
dc.description.upvformatpfin | 5351910 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 111 | es_ES |
dc.relation.senia | 213439 | |
dc.identifier.eissn | 1089-7550 | |
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