Pb/FeSe interfaces designed for optical communication technology

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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.authorAlharbi, Seham R.
dc.contributor.authorQasrawi, Atef Fayez
dc.contributor.authorAlgarni, Sabah E.
dc.date.accessioned2024-02-21T07:51:37Z
dc.date.available2024-02-21T07:51:37Z
dc.date.issued2023en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractHerein, thin films of FeSe are coated onto glass and semitransparent Pb substrate of thicknesses of 200 nm. The produced glass/FeSe (GFS) and Pb/FeSe (PFS) are structurally, compositionally, and optically characterized. It is observed that Pb substrates induced the crystallinity of cubic FeSe and cubic PbSe. On average, 21% of the phases in FeSe films are identified as PbSe. Due to the strong orbital overlapping between Pb and FeSe, Pb substrate increases the light absorption, the dielectric constant, the optical conductivity, and the terahertz cutoff frequency by ?150 %, 180 %, 263 %, and 101 %, respectively. In addition the direct and indirect energy bandgaps shrink from 2.49 and 2.80 to 2.41 and 2.50 eV, respectively. Moreover, treating GFS and PFS as terahertz optical resonators have shown that Pb substrates enhanced the drift mobility and increased the plasmon frequency making it adequate for 6G technology applications. An important feature of the PFS optical resonator is the stability of the terahertz cutoff frequency at 16 THz in the visible range of light. This feature together with the enhanced optical absorption in the visible light region makes the PFS films attractive for visible light communication technology.en_US
dc.identifier.citationQasrawi, A., Alharbi, S., & Algarani, S. (2023). Pb/FeSe Interfaces Designed for Optical Communication Technology.en_US
dc.identifier.doi10.1002/crat.202300266en_US
dc.identifier.issn1521-4079en_US
dc.identifier.issn0232-1300en_US
dc.identifier.scopus2-s2.0-85180482182en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://doi.org/10.1002/crat.202300266
dc.identifier.urihttps://hdl.handle.net/20.500.12713/4016
dc.identifier.wosWOS:001129455700001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofCrystal Research and Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPb/FeSeen_US
dc.subjectDielectricen_US
dc.subjectOptical Conductionen_US
dc.subjectTerahertzen_US
dc.titlePb/FeSe interfaces designed for optical communication technologyen_US
dc.typeArticleen_US

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