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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/14335
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dc.contributor.authorPanagiotopoulos, N. T.en
dc.contributor.authorKarras, G.en
dc.contributor.authorLidorikis, E.en
dc.contributor.authorKoutsogeorgis, D. C.en
dc.contributor.authorKosmidis, C.en
dc.contributor.authorPatsalas, P.en
dc.date.accessioned2015-11-24T17:37:17Z-
dc.date.available2015-11-24T17:37:17Z-
dc.identifier.issn0257-8972-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14335-
dc.rightsDefault Licence-
dc.subjectamorphous carbonen
dc.subjectlaser processingen
dc.subjectpecvden
dc.subjectoptical propertiesen
dc.subjectoptical spectroscopyen
dc.subjectelectron spectroscopyen
dc.subjecta-c-hen
dc.subjectenergy-loss spectroscopyen
dc.subjectdiamond-like carbonen
dc.subjectthin-filmsen
dc.subjectelectronic-structureen
dc.subjectrefractive-indexen
dc.subjectalpha-cen
dc.subjectdensityen
dc.subjectirradiationen
dc.subjectsurfaceen
dc.titlePhotosensitivity and optical performance of hydrogenated amorphous carbon films processed by picosecond laser beamsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.surfcoat.2011.02.019-
heal.identifier.secondary<Go to ISI>://000297086700019-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0257897211001198/1-s2.0-S0257897211001198-main.pdf?_tid=4e4f81965fd018630d24f8125d11faab&acdnat=1339755898_2bf62113571f6017da08b7f2beb1d7bb-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2011-
heal.abstractIn this work we investigate the photosensitivity of hydrogenated amorphous Carbon films (a-C:H) and the changes in their structural features and optical properties, when they are exposed to picosecond laser beams of various wavelengths (Nd:YAG, 1st harmonic, lambda=1064 nm and 4th harmonic, lambda=266 nm). The different light matter interactions, which take place for the various laser wavelengths, are considered and discussed. The main findings include the formation of SiC at the a-C:H film/Si interface and the film graphitization, when the 1064 nm and 266 nm beams, respectively, are used. Finally we managed to vary locally the refractive index in the range of 1.60-1.95 (20% variations) by laser processing, a fact that is very important for various applications in photonics. (C) 2011 Elsevier B.V. All rights reserved.en
heal.publisherElsevieren
heal.journalNameSurface & Coatings Technologyen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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