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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/14308
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dc.contributor.authorMatenoglou, G. M.en
dc.contributor.authorKoutsokeras, L. E.en
dc.contributor.authorLekka, C. E.en
dc.contributor.authorAbadias, G.en
dc.contributor.authorCamelio, S.en
dc.contributor.authorEvangelakis, G. A.en
dc.contributor.authorKosmidis, C.en
dc.contributor.authorPatsalas, P.en
dc.date.accessioned2015-11-24T17:37:00Z-
dc.date.available2015-11-24T17:37:00Z-
dc.identifier.issn0021-8979-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14308-
dc.rightsDefault Licence-
dc.subjectab initio calculationsen
dc.subjectabsorption coefficientsen
dc.subjectband structureen
dc.subjectcrystal field interactionsen
dc.subjectdensity functional theoryen
dc.subjectelectrical conductivityen
dc.subjectfermi levelen
dc.subjectlattice constantsen
dc.subjectpulsed laser depositionen
dc.subjectstoichiometryen
dc.subjecttantalum compoundsen
dc.subjectthin filmsen
dc.subjectatomic layer depositionen
dc.subjectdelta-tan layersen
dc.subjectthin-filmsen
dc.subjectspectroscopic ellipsometryen
dc.subjectpreferred orientationen
dc.subjectelectronic-propertiesen
dc.subjectcopper metallizationen
dc.subjectdiffusion-barriersen
dc.subjecttransport-propertiesen
dc.subjectepitaxial-growthen
dc.titleOptical properties, structural parameters, and bonding of highly textured rocksalt tantalum nitride filmsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDoi 10.1063/1.3043882-
heal.identifier.secondary<Go to ISI>://000262225100131-
heal.identifier.secondaryhttp://link.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000104000012124907000001-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2008-
heal.abstractTantalum nitride is an interesting solid with exceptional properties and it might be considered as a representative model system of the d(3)s(2) transition metal nitrides. In this work highly textured, stoichiometric, rocksalt TaN(111) films have been grown on Si(100) by pulsed laser deposition. The films were under a triaxial stress, which has been determined by the sin(2) psi method. The stress-free lattice parameter was found to be 0.433 +/- 0.001 nm, a value which has been also determined by ab initio calculations within the local spin density approximation. The optical properties of TaN have been studied using spectroscopic ellipsometry and detailed band structure calculations. The electron conductivity of TaN is due to the Ta 5dt(2g) band that intercepts the Fermi level and is the source of intraband absorption. The plasma energies of fully dense rocksalt TaN were found to be 9.45 and 9.7 eV based on the experimental results and ab initio calculations, respectively. Additional optical absorption bands were also observed around 1.9 and 7.3 eV and attributed to be due to crystal field splitting of the Ta 5d band (t(2g)-> e(g) transition) and the N p -> Ta d interband transition, respectively.en
heal.publisherAmerican Institute of Physicsen
heal.journalNameJournal of Applied Physicsen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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