- -

New high-pressure phase and equation of state of Ce2Zr2O8

RiuNet: Institutional repository of the Polithecnic University of Valencia

Share/Send to

Cited by

Statistics

New high-pressure phase and equation of state of Ce2Zr2O8

Show simple item record

Files in this item

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


This item appears in the following Collection(s)

Show simple item record