Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 41-60
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The effects of air, oxygen and water exposure on the sub-bandgap absorption, the electronic conductivity and the ambipolar diffusion length in highly crystalline microcrystalline silicon films for photovoltaic applications
(Springer, 2020)Reversible and irreversible changes due to long term air and short term de-ionized water (DIW) or pure oxygen exposure were investigated in about 1 mu m thick hydrogenated microcrystalline silicon (mu c-Si:H) films deposited ... -
The effects of native and light induced defects on optoelectronic properties of hydrogenated amorphous silicon-germanium (a-SiGe:H) alloy thin films
(Springer, 2010)Effects of native and light induced defects states in hydrogenated amorphous silicon-germanium alloy thin films with different Ge concentrations have been investigated by using steady-state photoconductivity, dual beam ... -
The effects of preparation temperature on the main electrical parameters of Al/TiO2/p-Si (MIS) structures by using sol-gel method
(Springer, 2009)In this study, the forward bias current-voltage (I-V) and capacitance-voltage (C-V) characteristics of the Al/TiO2/p-Si (MIS) structures derived using the sol-gel method have been investigated and compared at various ... -
The Effects of Structural, Thermal, and Magnetic Properties of Hexylbenzene-Doped MgB2 Superconductor
(Springer, 2017)The effects of the amount of hexylbenzene additive (C12H18) on the structural, thermal, and magnetic properties of MgB2 superconductor are examined in this study. Pure and hexylbenzene-doped MgB2 bulk samples were produced ... -
Effects of supersymmetric CP phases on chargino-pair production via the Drell-Yan process at the CERN LHC
(Amer Physical Soc, 2004)We compute the rates for pp annihilation into chargino pairs via the Drell-Yan process taking into account the effects of supersymmetric soft phases, at a proton-proton collider. In particular, the phase of the mu parameter ... -
Electrical and photoresponse properties of metal–polymer–semiconductor device with TMPTA interface material
(Springer, 2023)is study presents the pioneering fabrication of a metal–polymer–semiconductor (MPS) device, where trimethylolpropane triacrylate (TMPTA) was employed as the interface material for the first time. TMPTA offers significant ... -
The electrical characterization of metal–insulator–semiconductor device with β-naphthol orange interface
(Springer, 2022)his study was formed by the β-naphthol orange/p-Si metal–insulator–semiconductor (MIS) structure by obtaining β-naphthol orange on the p-Si surface using the sol–gel and spin-coating techniques. FTIR, EDX, and NMR analyzes ... -
Electrical measurements of Hg1 - xMnxTe films grown by metalorganic vapour phase epitaxy
(Elsevier, 1996)Preliminary electrical measurements of mercury manganese telluride (MMT) films, grown by metalorganic vapour phase epitaxy (MOVPE), are reported. The epitaxial films were grown on insulating (100)GaAs substrates with a ... -
Electrically tunable polarisation-independent blue-phase liquid crystal binary phase grating via phase-separated composite films
(Taylor & Francis Ltd, 2017)A simple method for fabricating polarisation-independent blue-phase liquid crystal phase grating is demonstrated by implementing photopolymerisation-induced phase separation through a binary photomask. The dynamic focusing ... -
Electrochemical Properties of Coumarin 500 Encapsulated in a Liquid Crystal Guided Electrospun Fiber Core and Their Supercapacitor Application
(AMER CHEMICAL SOC, 2022)Here, we first report a study on coumarin 500 and liquid crystal including polyacrylonitrile nanofibers in terms of synthesis, characterizations, and supercapacitor performances. SEM, POM, FTIR, and DSC measurements showed ... -
Electronic aspects of the martensitic transition in Ni-Mn based Heusler alloys
(Elsevier, 2007)The martensitic transformation temperature Ms depends linearly on the valence electron concentration for Ni-Mn-X Heusler systems where X is a group III-group V element. However, the slopes of the linearity are different ... -
Electrospun fibers of liquid crystal mixtures
(SPRINGER, 2022)Electrospinning is a powerful and promising technique in production of nano-materials namely nano-fibers. Nano-sized materials show properties apart from their macroscopic/bulk sizes, and enable us to fabricate materials ... -
Electrostatic screening and experimental evidence of a topological phase transition in a bulk quantum Hall liquid
(Iop Publishing Ltd, 2009)The electrostatic screening of a medium disordered quantum Hall liquid was investigated using an electric field penetration (EFP) technique. At sufficiently low temperatures and at magnetic fields corresponding to the ... -
Enhancing the c-TiO2 based perovskite solar cell performance via modification by a serial of boronic acid derivative self-assembled monolayers
(Elsevier, 2017)Morphological control of MAPbI(3) crystal growth is one of the most important factor to fabricate high efficient perovskite solar cells. Herein, different boronic acid derivative self-assemble monolayers were used for ... -
Eu@PMMA and Sm@PMMA nanofibers prepared by electrospinning: structure, morphology, luminescence and magnetic properties
(Royal Soc Chemistry, 2020)In this work, the Eu(III) and Sm(III) coordination polymers {[Eu(2-stp)(2)(HO)(6)]center dot 2(4,4'-bipy)center dot 4(H2O)), denoted as (1), and {[Sm(2-stp)(2)(H2O)(2)]center dot 2(4,4'-bipy)center dot 5(H2O))(n), denoted ... -
Exact analytical solution of the diode ideality factor of a pn junction device using Lambert W-function model
(2007)The paper presents a new analytical method for extracting the diode ideality factor of a p-n junction device using Lambert W-function model and the dark current-voltage data. The extracted values are found to be in good ... -
Extended investigation of intermartensitic transitions in Ni-Mn-Ga magnetic shape memory alloys: A detailed phase diagram determination
(Amer Inst Physics, 2013)Martensitic transitions in shape memory Ni-Mn-Ga Heusler alloys take place between a high temperature austenite and a low temperature martensite phase. However, intermartensitic transformations have also been encountered ... -
Ferromagnetic interactions in new double end-on-azide-bridged dinuclear Ni(II) complex: Synthesis, crystal structures, magnetic and photoluminescence properties
(Elsevier Science Bv, 2017)A new double end-on azide-bridged dinuclear nickel(II) Schiff base complex, [Ni-2(mu(1,1)-N-3)(2)(HL)(2)(MeOH)(2)], [HL = 2-[(2-hydroxypropylimino)methyl)-3,5-chlorophenoll has been synthesized and characterized by elemental ... -
Forward and reverse current-voltage-temperature characteristics of a typical BPW34 photodiode
(Pergamon-Elsevier Science Ltd, 2006)The dark forward and reverse current-voltage characteristics of a typical BPW34 silicon photodiode have been investigated in the temperature range 80-300 K. We propose that tunnelling enhanced recombination at or close to ... -
Functionalized organic semiconductor molecules to enhance charge carrier injection in electroluminescent cell
(Elsevier Science Bv, 2017)Organic semiconductor (OSC) materials as a charge carrier interface play an important role to improve the device performance of organic electroluminescent cells. In this study, 4,4"-bis(diphenyl amino)-1,1':3',1"-terphen ...