Browsing by Author "Daragme, Rana B."
Now showing items 1-7 of 7
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Amorphous WO3 thin films designed as gigahertz/terahertz dielectric lenses
Qasrawi, Atef Fayez; Abu Alrub, Shatha N.; Daragme, Rana B. (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 ... -
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
Qasrawi, Atef Fayez; Daragme, Rana B. (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 ... -
Fabrication and characterization of Se/WO3 heterojunctions designed as terahertz/gigahertz dielectric resonators
Qasrawi, Atef Fayez; Daragme, Rana B. (Elsevier, 2022)In this work, Selenium (Se) thin film substrates are coated with tungsten oxide thin layers. The Se/WO3 interfaces are fabricated using a vacuum deposition technique. The substrates displayed stable polycrystalline structure ... -
Transparent In/SeO2 thin film transistors designed for gigahertz/terahertz technologies
Qasrawi, Atef Fayez; Daragme, Rana B. (Springer Link, 2022)Herein, thin films of selenium oxide are coated onto transparent indium substrates with thickness of 150 nm under vacuum pressure of 10–5 mbar. In/SeO2 optical receivers are structurally, optically and electrically ... -
YB/SE/WO3/YB thin film transistors as rectifiers, 2 n-channel metal oxide semiconductor capacitors, 3 laser sensors, and microwave bandstop filters
Qasrawi, Atef Fayez; Daragme, Rana B. (Wiley, 2022)Herein, Yb/p–Se/p–WO3/Yb heterojunctions are employed as multifunctional 6 devices. The devices which show back-to-back Schottky (BBS) diode character 7 istics are prepared by the thermal evaporation method under a vacuum ... -
Yb/WO3/Yb back to back Schottky barriers designed as voltage controlled rectifiers and as microwave resonators
Qasrawi, Atef Fayez; Daragme, Rana B. (Forum of Chalcogeniders, 2022)Herein, p −WO3 thin films coated onto ytterbium thin film substrates are used as active layers to fabricate a back to back Schottky (BBS) barriers. The Schottky contacts and the tungsten oxide active layers are grown ... -
Yb/WO3/Yb back to back Schottky barriers designed as voltage controlled rectifiers and as microwave resonators
Qasrawi, Atef Fayez; Daragme, Rana B.; Qasrawi, Atef Fayez (S.C. Virtual Company of Phisics S.R.L, 2022)Herein, p -WO3 thin films coated onto ytterbium thin film substrates are used as active layers to fabricate a back to back Schottky (BBS) barriers. The Schottky contacts and the tungsten oxide active layers are grown by ...
