Effects of Pb nanosheets substrates on the optical and electrical properties CrSe thin films

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dc.authoridAtef Fayez Qasrawi / 0000-0001-8193-6975en_US
dc.authorscopusidAtef Fayez Qasrawi / 6603962677en_US
dc.authorwosidAtef Fayez Qasrawi / R-4409-2019en_US
dc.contributor.authorAljaloud, Amjad Salamah M.
dc.contributor.authorQasrawi, Atef Fayez
dc.contributor.authorAlfhaid, Latifah Hamad Khalid
dc.date.accessioned2023-10-22T12:45:17Z
dc.date.available2023-10-22T12:45:17Z
dc.date.issued2023en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractHerein the effects of lead nanosheets substrates on the optical and electrical properties of chromium selenide thin films were studied. Chromium selenide thin films were grown by vacuum thermal evaporation technique onto glass and 100 nmthick lead nanosheets substrates. The effects of Pb nanosheets on the structural, morphological, compositional, optical and electrical properties was explored. While films grown onto glass substrates showed compositional stoichiometry forming CrSe2 phase those coated onto Pb substrates preferred the growth CrSe phase. Both films were of amorphous structure and exhibited direct and indirect allowed optical transitions. Pb nanosheets enhanced the optical absorption of chromium selenide in the visible and ultraviolet ranges of light. Formation of films onto Pb nanosheets resulted in band gaps and band tails narrowing and decreased the room temperature electrical conductivity (s) as well. Deep analyses of the s - T variations in the range of 25–340 Kshowed that the electronic transport is dominated by the thermal excitation and variable range hopping of charge carriers. It was observed that Pb nanosheets increased the average hopping energy and hopping range, decreased the density of localized states near the Fermi level and increased the degree of state disorder. The features of glass/CrSe2 and Pb/CrSe films are promising for using then in optoelectronic technologyen_US
dc.identifier.citationAljaloud, A. S. M., Qasrawi, A. F., & Alfhaid, L. H. K. (2023). Effects of Pb nanosheets substrates on the optical and electrical properties CrSe thin films. Physica Scripta.en_US
dc.identifier.doi10.1088/1402-4896/acfe60en_US
dc.identifier.scopus2-s2.0-85175960731en_US
dc.identifier.urihttps://doi.org/10.1088/1402-4896/acfe60
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3988
dc.identifier.volume98en_US
dc.identifier.wosWOS:001085680100001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherPhysica Scriptaen_US
dc.relation.ispartofPhysica Scriptaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCrSe2 thin films, Pb nanosheets, optical transitions, electrical conduction,VRHen_US
dc.subjectCrSe2 Thin Filmsen_US
dc.subjectPb Nanosheetsen_US
dc.subjectOptical Transitionsen_US
dc.subjectElectrical Conductionen_US
dc.subjectVRHen_US
dc.titleEffects of Pb nanosheets substrates on the optical and electrical properties CrSe thin filmsen_US
dc.typeArticleen_US

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