Optical band gap and dispersion of optical constants of Cu-Ga-S thin films

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dc.authoridCoskun, Emre/0000-0002-6820-3889
dc.authoridGullu, Hasan Huseyin/0000-0001-8541-5309
dc.authoridIsik, Mehmet/0000-0003-2119-8266
dc.contributor.authorIsik, M.
dc.contributor.authorGullu, H. H.
dc.contributor.authorCoskun, E.
dc.contributor.authorGasanly, N. M.
dc.date.accessioned2025-01-27T21:04:15Z
dc.date.available2025-01-27T21:04:15Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThermally deposited Cu-Ga-S thin films were optically characterized by means of experimental techniques of transmission measurements. The analyses of transmittance spectra were accomplished by derivative spectrophotometry analyses to get gap energies of thin films. The transmittance spectra of thin films annealed at different temperatures presented interference fringes which were analyzed by Swanepoel envelope method. The wavelength dependencies of optical parameters; refractive index (n), real part of complex dielectric function (epsilon(re)) and extinction coefficient (k) were reported in the weak absorption region. The photon energy dependencies of n and epsilon(re) were analyzed using single-oscillator and Spitzer-Fan models, respectively.
dc.description.sponsorshipAtilim University [ATU-BAD-1718-04]
dc.description.sponsorshipThis work was financed by Atilim University under Grant No. ATU-BAD-1718-04.
dc.identifier.doi10.1016/j.ijleo.2019.04.035
dc.identifier.endpage154
dc.identifier.issn0030-4026
dc.identifier.scopus2-s2.0-85064628250
dc.identifier.scopusqualityQ1
dc.identifier.startpage147
dc.identifier.urihttps://doi.org/10.1016/j.ijleo.2019.04.035
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27594
dc.identifier.volume186
dc.identifier.wosWOS:000482696600019
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Gmbh
dc.relation.ispartofOptik
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectOptical properties
dc.subjectI-III-VI type semiconductors
dc.subjectSwanepoel method
dc.titleOptical band gap and dispersion of optical constants of Cu-Ga-S thin films
dc.typeArticle

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