Iron selenide nanowire bundles for microwave 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.authorToubasi, Ahmad J.
dc.contributor.authorQasrawi, Atef Fayez
dc.date.accessioned2023-10-16T09:57:46Z
dc.date.available2023-10-16T09:57:46Z
dc.date.issued2023en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractHerein stacked layers of FeSe2 deposited onto ytterbium substrates using the thermal evaporation technique under a vacuum pressure of 10-5 mbar are observed to form nanowire bundles (NB). Structural investigations on these NBs have shown the preferred growth of orthorhombic FeSe2 in addition to hexagonal ytterbium selenide as a minor phase in the structure of FeSe2. Impedance spectroscopy analyses conducted in the frequency domain of 0.01-1.80 GHz shown that FeSe2 stacks can exhibit a negative capacitance effect and band stop filter characteristics. For these band stop filters, the refection coefficient (S11), the voltage standing wave ratios (VSWR) and the return loss (Lr) spectra displayed optimum values at a notch frequency of 0.87 GHz. In addition, computational analysis using Lorentz Oscillator (LO) Model has shown that the negativity of the capacitance is dominated by two oscillators centered at 0.08 GHz and 1.25 GHz. On the other hand, the insertion of aluminum nanosheets between the stacked layers of FeSe2 has been observed to decrease the negativity of the capacitance, increase the values of S11 and Lr and bring the VSWR closer to ideality. FeSe2 nanowire bundles resulting from FeSe2 stacks comprising Al nanosheets are considered suitable for microwave communication technology.en_US
dc.identifier.citationQasrawi, A.F. and Toubasi, A.J. (2023), Iron selenide nanowire bundles for microwave communication technology. Phys. Status Solidi A. Accepted Author Manuscript. https://doi.org/10.1002/pssa.202300450en_US
dc.identifier.doi10.1002/pssa.202300450en_US
dc.identifier.issn1862-6319en_US
dc.identifier.scopus2-s2.0-85177198127en_US
dc.identifier.startpage202300450en_US
dc.identifier.urihttps://doi.org/10.1002/pssa.202300450
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3978
dc.identifier.wosWOS:001108092600001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofPhys. Status Solidi Aen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBand Filtersen_US
dc.subjectFeSe2en_US
dc.subjectMicrowave Resonatorsen_US
dc.subjectNanowire Bundlesen_US
dc.subjectThermal 17 Evaporationen_US
dc.titleIron selenide nanowire bundles for microwave communication technologyen_US
dc.typeArticleen_US

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