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dc.contributor.authorSilkin, Viatcheslav M.es_ES
dc.contributor.authorChernov, I. P.es_ES
dc.contributor.authorEchenique, Pedro M.es_ES
dc.contributor.authorKoroteev, Yuri M.es_ES
dc.contributor.authorChulkov, Eugene V.es_ES
dc.date.accessioned2020-12-15T10:46:39Z-
dc.date.available2020-12-15T10:46:39Z-
dc.date.issued2007-
dc.identifier.citationPhysical Review B 76(24): 245105 (2007)es_ES
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10261/224915-
dc.description.abstractA theoretical study of electronic excitation spectra in Pd and PdH is reported. The calculations were performed with full inclusion of the electron band structure obtained within self-consistent pseudopotential approach. We demonstrate that the complicated Pd electronic structure at the Fermi level is reflected in a numerous peak structure of the excitation spectra. The evolution of the energy-loss spectrum with momentum and its anisotropy are analyzed. Strong modification of the excitation spectra upon hydrogen absorption is found. We also study the role of intra- and interband transitions in the formation of dominating plasmon peak both in pure Pd and PdH. In Pd, this peak is mainly determined by intraband transitions. The downward shift of this peak from ∼7.2eV in pure Pd to ∼4.2eV in PdH is mainly explained by interband transitions from occupied Pdd bands to unoccupied hydrogen-modified sp states in the 7–13eV energy range.es_ES
dc.description.sponsorshipWe acknowledge the partial support from the University of the Basque Country 9/UPV 00206.215-13639/2001, the Departamento de Educación del Gobierno Vasco, and the Spanish Ministerio de Ciencia y Tecnología MCyT FIS 2004-06490-C03-01.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.titleInfluence of hydrogen absorption on low-energy electronic collective excitations in palladiumes_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevB.76.245105-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevB.76.245105es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/es_ES
dc.contributor.funderUniversidad del País Vascoes_ES
dc.contributor.funderEusko Jaurlaritzaes_ES
dc.contributor.funderMinisterio de Ciencia y Tecnología (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003086es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100006280es_ES
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