Effects of SeO2 epilayer on the structural, morphological, optical and dielectric properties of nanocrystalline ZnSe thin films

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dc.authoridAtef Fayez Qasrawi / 0000-0001-8193-6975en_US
dc.authorscopusidAtef Fayez Qasrawi / 6603962677
dc.authorwosidAtef Fayez Qasrawi / R-4409-2019en_US
dc.contributor.authorQasrawi, Atef Fayez
dc.contributor.authorSulaimana, Suzan Kh
dc.date.accessioned2022-09-05T05:28:24Z
dc.date.available2022-09-05T05:28:24Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Bölümüen_US
dc.description.abstractHerein the effects of SeO2 coating on the physical properties of thermally evaporated nanocrystalline (NC) ZnSe thin film substrates are explored. The formed ZnSe films showed nanocrystalline Zincblende phase. They contained excess selenium (ZnSe1.07) with relatively large defect density and displayed band gap of value of 3.48?eV, energy band tails of width of 1.2?eV and dielectric quality factor () less than 100. Coating NC-ZnSe with SeO2 induced the crystallization of tetragonal SeO2 and enhanced the light absorbability of SeO2. It also reduced the defect density and stacking faults, increased the crystallites sizes, narrowed the width of band tails, increased the dielectric constant and increase the factor up to ?400 of NC-ZnSe. In addition, analysis of the optical conductivity spectra for the NC-ZnSe/SeO2 bilayers has shown that the drift mobility, plasmon frequency and free carrier density can reach values of 30.42?cm2/Vs, 5.07?GHz and 8.0? cm?3, respectively.en_US
dc.identifier.citationQasrawi, A.F., Sulaimana, S. K. (2022). Effects of SeO2 epilayer on the structural, morphological, optical and dielectric properties of nanocrystalline ZnSe thin films. Physica B: Physics of Condensed Matter.en_US
dc.identifier.doi10.1016/j.physb.2022.414309en_US
dc.identifier.issn0921-4526en_US
dc.identifier.scopus2-s2.0-85137171354en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.physb.2022.414309
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3115
dc.identifier.wosWOS:000855545300004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofPhysica B: Physics of Condensed Matteren_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectNC-ZnSe/SeO2en_US
dc.subjectBand Offseten_US
dc.subjectInduced Crystallizationen_US
dc.subjectDielectricen_US
dc.subjectOptical Receiveren_US
dc.titleEffects of SeO2 epilayer on the structural, morphological, optical and dielectric properties of nanocrystalline ZnSe thin filmsen_US
dc.typeArticleen_US

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