Browsing by Department "İstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Bölümü"
Now showing items 1-20 of 42
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Amorphous WO3 thin films designed as gigahertz/terahertz dielectric lenses
(Springer Link, 2022)Herein, tungsten oxide thin films comprising excess oxygen are treated as optical resonator suitable for gigahertz/terahertz applications. WO3 thin films which are prepared by the thermal evaporation technique under a ... -
Au nanosheets-assisted structural phase transitions, in situ monitoring of the enhanced crystallinity, and their effect on the optical and dielectric properties of CuSe/Au/CuSe thin films
(Wiley, 2022)Herein, stacked layers of copper selenide thin films comprising Au nanosheets in its structure are fabricated and characterized. The CuSe/Au/CuSe (CAC) thin films are prepared by the thermal evaporation technique under a ... -
Au/CdBr2/SiO2/Au Straddling-Type heterojunctions designed as microwave multiband pass filters, negative capacitance transistors and current rectifiers
(Wiley, 2021)Herein, nanosheets of SiO2 of thicknesses of 25-100 nm are employed to enhance the performance of Au/CdBr2 Schottky barriers. The Au/CdBr2/SiO2/Au straddling type heterojunction devices is prepared by the thermal evaporation ... -
Band offsets, dielectric dispersion and some applications of CdSe/GeO2 heterojunctions
(Elsevier GmbH, 2021)Herein, the formation, structural, morphological, compositional, optical, dielectric, photoelectrical and electrical properties of the CdSe/GeO2 heterojunctions are explored. While the surface displayed formation of deficient ... -
Band offsets, electron affinities and optical dynamics at the CdBr2/SiO2 interfaces
(Elsevier GmbH, 2021)Indexed keywords Funding details Abstract Herein, the structural, optical, dielectric and optical conductivity parameters of the CdBr2/SiO2 interfaces are reported. Thin films of CdBr2 are coated with 50 nm thick SiO2 ... -
Band offsets, optical conduction, photoelectric and dielectric dispersion in InSe/Sb2 Te3 heterojunctions
(SciELO, 2021)InSe based heterojunction devices gain importance in optoelectronic applications in NIR range as multipurpose sensors. For this reason, InSe/Sb2 Te3 heterojunctions are constructed as NIR sensors by the thermal ... -
Bulk-boundary correspondence in soft matter
(Amer Physical Soc, 2019)Bulk-boundary correspondence is the emergence of features at the boundary of a material that are dependent on and yet distinct from the properties of the bulk of the material. The diverse applications of this idea in ... -
Characterization and applications of ITO/SeO2 interfaces
(Springer Link, 2022)Herein, indium tin oxide (ITO) thin film substrates are employed to fabricate ITO/SeO2 multifunctional interfaces. The effects of ITO substrates on the physical properties of SeO2 thin films are explored by the structural, ... -
A critical assessment of consumer reviews: A hybrid NLP-based methodology
(Elsevier B.V., 2022)Online reviews are integral to consumer decision-making while purchasing products on an e-commerce platform. Extant literature has conclusively established the effects of various review and reviewer related predictors ... -
Design and characterization of (Yb, Al, Cu, Au)/GeO2/C As MOS field effect transistors, negative capacitance effect devices and band pass/reject filters suitable for 4G technologiet
(Springer Link, 2022)Herein, the efect of Yb, Al, Cu and Au metal substrates on the electrical performance of germanium oxide-based devices is reported. Back-to-back Schottky-type metal-insulator-metal (MIM) electronic devices with the ... -
Design and characterization of MoO3/In2Se3 heterojunctions as terahertz/gigahertz band filters suitable for visible light communications and 3G/4G technologies
(IOP Publishing, 2021)Abstract Herein, MoO3/In2Se3 (MI) heterojunctions are fabricated by a vacuum deposition technique for use as wideband filters. The MI devices are composed of optical and electrical parts to detect visible light spectra ... -
Design and characterization of n -Si/p -CdO broken gap heterojunctions as high frequency PMOSFETs and microwave resonators
(Institute of Electrical and Electronics Engineers Inc., 2021)Herein, p -type CdO thin films coated onto n -type Si crystals are employed to form metal oxide semiconductor field effect transistors (MOSFET). In the broken gap design, the valence band edge of Si substrates centered at ... -
Design and characterization of Yb/p− SiO2/(Yb, In) thin-film transistors for 5G resonators
(Springer Link, 2022)Herein, Yb/ p−SiO2/(Yb, In) multifunctional thin-film transistors (TFTs) are designed and characterized. The TFT devices are fabricated in a vacuum thermal evaporation technique under a vacuum pressure of 10− ... -
Design and characterization of ZnSe/GeO2 heterojunctions as bandstop filters and negative capacitance devices
(Wiley-VCH Verlag, 2021)Herein, polycrystalline films of ZnSe which are coated onto Au substrates and recoated with amorphous layers of GeO2 are used as active material to perform as bandstop filters. The stacked layers of Au/ZnSe/GeO2 are coated ... -
Design of Au/Cdbr2/Au as negative capacitance devices and as band filters suitable for 4G technologies
(SciELO, 2021)Herein, cadmium bromide thin film devices are designed for possible use in communication technology. The 1.0 thin layer of CdBr2 is sandwiched between two Au (1.0 thick) layers using the thermal evaporation technique ... -
Effect of lanthanum substrates on the structural, optical and electrical properties of copper selenide thin films designed for 5G technologies
(Springer Link, 2022)In this work, copper selenide thin films coated onto glass and transparent lanthanum substrates are studied. The (glass, La)/CuSe thin films which are prepared by the thermal evaporation technique under a vacuum pressure ... -
Effect of transparent Pb substrates on the structural, optical, dielectric and electrical properties of copper selenide thin films
(Forum of Chalcogeniders, 2022)Herein, copper selenide thin films are coated onto transparent lead substrates. Pb/CuSe stacked layers is fabricated by the thermal evaporation technique under a vacuum pressure of 10-5 mbar. They are structurally, ... -
Effects of Ag2O nanosheets on the structural, optical, and dielectric properties of GeO2 stacked layers
(Wiley-VCH Verlag, 2021)Herein, the effects of insertion of Ag2O nanosheets of thicknesses 25–75 nm between stacked layers of GeO2 on the structural, morphological, and optical properties of germanium dioxide are explored. While the stacking of ... -
Effects of polycrystalline GeO2 substrates on the structural, optical and electrical properties of ZnSe thin films
(IOPScience, 2021)Herein, the effects of polycrystalline germanium dioxide substrates on the structural, morphological, optical and electrical properties of zinc selenide thin films are reported. Thin films of ZnSe coated onto GeO2 are ... -
Effects of si slabs on the performance of cdO thin films designed for optoelectronic applications
(SciELO, 2022)Herein, the structural, morphological, optical and electrical properties of CdO stacked layers comprising Si slabs of thickness of 100 nm are investigated. The performance of the stacked layers, which are prepared by the ...
