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dc.contributor.authorKilimis, D. A.en
dc.contributor.authorPapageorgiou, D. G.en
dc.date.accessioned2015-11-24T17:33:05Z-
dc.date.available2015-11-24T17:33:05Z-
dc.identifier.issn0166-1280-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13817-
dc.rightsDefault Licence-
dc.subjectpalladiumen
dc.subjectsilveren
dc.subjectclustersen
dc.subjectdensity functional theoryen
dc.subjectelectronic propertiesen
dc.subjectpalladium clustersen
dc.subjectelectronic-structureen
dc.subjectphotoelectron-spectroscopyen
dc.subjectsilver clustersen
dc.subject1st principlesen
dc.subjectliquid-phaseen
dc.subjecttransitionen
dc.subjectenergyen
dc.subjectadsorptionen
dc.subjectmagnetismen
dc.titleDensity functional study of small bimetallic Ag-Pd clustersen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.theochem.2009.09.048-
heal.identifier.secondary<Go to ISI>://000279200100018-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0166128009006654/1-s2.0-S0166128009006654-main.pdf?_tid=36e635fb3632ba78e9939f2c2b03a963&acdnat=1339753134_558e9d4f3d0ee56720c38f2231eaa39f-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2010-
heal.abstractThe geometric and electronic properties of small Ag(m)Pd(n) clusters with m + n = 2-5 are studied within the framework of density functional theory in conjunction with two hybrid and one GGA exchange-correlation functional. For every composition, the global minimum is identified by using geometry optimization for a collection of initial structures. Results indicate that, for bimetallic tetramers and pentamers, the clusters shift from two-dimensional to three-dimensional structures with the addition of a second Pd atom. Ag(2)Pd(2) is identified as the most stable tetramer by the calculation of the excess energy and second energy difference of bimetallic clusters. Concerning the fragmentation channels it is seen that the most favourable route in the majority of cases is via the evaporation of a single atom. Density of states calculations reveal that the increase of Pd content depletes the isolated s states close to the Fermi level, while at the same time shifts the d states to higher energies. (C) 2009 Elsevier B.V. All rights reserved.en
heal.publisherElsevieren
heal.journalNameJournal of Molecular Structure-Theochemen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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