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dc.creatorŠiljegović, Milorad
dc.creatorKačarević-Popović, Zorica M.
dc.creatorStchakovsky, M.
dc.creatorRadosavljević, Aleksandra
dc.creatorKorica, S.
dc.creatorNovaković, Mirjana M.
dc.creatorPopović, Maja
dc.date.accessioned2018-03-02T00:04:21Z
dc.date.available2018-03-02T00:04:21Z
dc.date.issued2014
dc.identifier.issn0969-806X (print)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/5943
dc.description.abstractThe optical properties of 150 keV N+ implanted ethylene-norbornene (TOPAS 6017S-04) copolymer were investigated using phase modulated spectroscopic ellipsometry (PMSE) and ultraviolet-visible (UV-Vis) spectroscopy in the ranges of 0.6-6.5 eV and of 1.5-6.2 eV, respectively. The single-effectiveoscillator model was used to fit the calculated data to the experimental ellipsometric spectra. The results show that the oscillator and dispersion energies decrease with increasing ion fluence up to 10(15) cm(-2), and then these parameters increase with further fluence increasing. Analysis of the UV-Vis absorption spectra revealed the presence of indirect electronic transitions with the band gap energy in the range of 1.3 to 2.8 eV. It was found that both the band gap energy and the energy width of the distribution of localized band tail states decrease, while the values of Tauc coefficient increase with increasing the ion fluence. From the ellipsometric data we found that the real part of the dielectric function increased about 7% after irradiation with 10(15) cm(-2), and decreased about 10% in samples modified with 10(16) cm(-2).en
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45006/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45005/RS//
dc.rightsrestrictedAccessen
dc.sourceRadiation Physics and Chemistryen
dc.subjectIon irradiationen
dc.subjectEthylene-norborneneen
dc.subjectEllipsometryen
dc.subjectUV-Visen
dc.subjectSingle effective oscillatoren
dc.titleSpectroscopic ellipsometry study of N+ ion-implanted ethylene-norbornene filmsen
dc.typearticleen
dc.rights.licenseARR
dcterms.abstractРадосављевић Aлександра; Поповиц, М.; Стцхаковскy, М.; Корица, С.; Шиљеговић Милорад; Новаковић Мирјана; Качаревић-Поповић Зорица М;
dc.citation.volume98
dc.citation.spage7
dc.citation.epage13
dc.identifier.wos000333796200002
dc.identifier.doi10.1016/j.radphyschem.2013.12.023
dc.citation.rankM21
dc.identifier.scopus2-s2.0-84892646384


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