Pt/PbSe optoelectronic receivers designed for 6G and terahertz communication technologies

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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.authorAlkhamisi, M.M
dc.contributor.authorQasrawi, Atef Fayez
dc.contributor.authorKhanfar, Hazem K.
dc.contributor.authorAlgarni, Sabah E.
dc.date.accessioned2023-02-03T07:51:09Z
dc.date.available2023-02-03T07:51:09Z
dc.date.issued2023en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractHerein PbSe thin films are coated onto glass and semitransparent platinum substrates. The films which are treated as optoelectronic signal receivers are deposited by the thermal evaporation technique under a vacuum pressure of 10?5 mbar. The structural investigations have shown that (glass, Pt)/PbSe films are of polycrystalline nature. Optically, Pt substrates increased the transparency and reflectivity of PbSe films. The energy band gap of PbSe is also increased by 0.12 eV when films are coated onto Pt substrates. In addition the dielectric constant also increased as a result of strong interaction between Pt plasmonic particles and lead selenide. On the other hand, fitting of the imaginary part of the dielectric constant using Drude–Lorentz model has shown that coating of PbSe onto semitransparent Pt substrates increased the drift mobility of lead selenide by four times. Pt substrates resulted in a decrease in the density of free charge carriers and increases the scattering time constant at femtosecond levels. (Glass, Pt)/PbSe optoelectronic receivers displayed plasmon frequencies up to?~?13 GHz and showed terahertz cutoff frequency of?~?1.0 THz. In addition, allowing the propagation of an ac signal of low amplitude in the Pt/PbSe/Pt receivers has shown that the devices exhibit wide range of resistance tunability. The microwave cutoff frequency also reached 14 GHz. Both of the optical and electrical measurements proved the suitability of the Pt/PbSe devices for 6G and terahertz communication technologies.en_US
dc.identifier.citationAlkhamisi, M.M., Qasrawi, A.F., Khanfar, H.K. et al. Pt/PbSe optoelectronic receivers designed for 6G and terahertz communication technologies. Opt Quant Electron 55, 156 (2023). https://doi.org/10.1007/s11082-022-04434-9en_US
dc.identifier.doi10.1007/s11082-022-04434-9en_US
dc.identifier.issue156en_US
dc.identifier.scopus2-s2.0-85145353358en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1007/s11082-022-04434-9
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3867
dc.identifier.volume55en_US
dc.identifier.wosWOS:000906194600002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.ispartofOptical and Quantum Electronicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPbSeen_US
dc.subjectThermal Evaporationen_US
dc.subjectNegative Capacitanceen_US
dc.subjectMicrowaveen_US
dc.subject6G Technologyen_US
dc.titlePt/PbSe optoelectronic receivers designed for 6G and terahertz communication technologiesen_US
dc.typeArticleen_US

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