Pt/SeO2 optical receivers designed for terahertz and 5G/6G technologies

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dc.authoridAtef Fayez Qasrawi / 0000-0001-8193-6975en_US
dc.authorscopusidAtef Fayez Qasrawi / 6603962677
dc.authorwosidAtef Fayez Qasrawi / R-4409-2019
dc.contributor.authorAlfhaid, Latifah
dc.contributor.authorQasrawi, Atef Fayez
dc.date.accessioned2022-04-20T12:34:57Z
dc.date.available2022-04-20T12:34:57Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Bölümüen_US
dc.description.abstractSelenium oxide thin films are highly transparent optical layers proper for optoelectronic technology. However, SeO2 films are rarely studied and observed suffering from clustery surface morphology, low light absorbability and low dielectric constant. For this reason herein, in an attempt to enhance its properties, platinum nanosheets (10-50 nm) are used as plasmonic substrates to grow transparent selenium oxide thin films. The films are deposited onto glass and Pt substrates using thermal evaporation technique under a vacuum pressure of 10-5 mbar. Both films of the glass/SeO2 and Pt/SeO2 are characterized by the techniques of X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, optical spectrophotometry and impedance spectroscopy. While no significant effect of Pt nanosheets on the amorphous nature of structure of SeO2 is observed, remarkable enhancements in the light absorbability by 50 times and in dielectric constant by three times are achieved. In addition, Pt nanosheets form plasmonic interfaces resulting in improving the plasmon frequency, drift mobility and free carrier density of the films. Pt/SeO2 films showed plasmon frequency larger than 6.0 GHz and free carrier density of 1018 cm-3. Moreover, analysis of the terahertz cutoff frequency and impedance spectra have shown that the Pt/SeO2 interfaces can also be employed as terahertz receivers and as low pass filters suitable for 5G/6G technologies.en_US
dc.identifier.citationAlfhaid, L.,Qasrawi, A F. (2022).Pt/SeO2 optical receivers designed for terahertz and 5G/6G technologies. Physica Scripta.en_US
dc.identifier.doi10.1088/1402-4896/ac6545en_US
dc.identifier.scopus2-s2.0-85129359663en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1088/1402-4896/ac6545
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2645
dc.identifier.wosWOS:000787617200001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherIOPscienceen_US
dc.relation.ispartofPhysica Scriptaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject2/Pten_US
dc.subjectPt/SeO2en_US
dc.subjectPlasmonen_US
dc.subjectMicrowave Cavityen_US
dc.subjectOptical Conductionen_US
dc.subjectBand Filtersen_US
dc.titlePt/SeO2 optical receivers designed for terahertz and 5G/6G technologiesen_US
dc.typeArticleen_US

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