Güncel Gönderiler: Fizik Bölümü Koleksiyonu
Toplam kayıt 189, listelenen: 21-40
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Production and characterization of liquid crystal/polyacrylonitrile nano-fibers by electrospinning method
(Springer Link, 2021)We present that high birefringent nematic liquid crystal, 4-n-pentyl-4'-cyanobiphenyl, was incorporated into the polyacrylonitrile precursor which has a strong polar cyano group so as to produce electrospun nano-fibers, ... -
Improvement effect of the MoO3 interface layer on the p- Si-based Schottky diode
(Springer, 2021)The aim of this study is to compare the effects of the molybdenum trioxide (MoO3) used as an interface layer in a p-type Si-based metal–semiconductor (MS) junction with and without this layer. For this purpose, Al/p-Si and ... -
Magnetic measurements on HgMnTe epitaxial layers
(Amer Inst Physics, 1997)Magnetization measurements have been performed on epitaxial layers of Hg1−xMnxTe (MMT) using an alternating gradient field magnetometer (AGFM). The layers, which have a Mn concentration in the range 0.05<x<0.20, and ... -
4,4- bipiridin ve 2-amino-1,4-benzendikarboksilik asit tabanlı yeni bileşiğin sentezlenmesi ve hidrojen bağlı 3D polimerik yapısı
(2018)Yeni bileşik, [NH2-BDC][4,4-bpy], (NH2-BDC = 2-amino-1,4-benzen dikarboksilik asit, 4,4-bipy = 4,4-bipiridin) sentezlendi ve tek kristal X-ışını kırınım metodu ile karakterize edildi. Kristalin yapısal analizi bileşiğin ... -
Searching for Color Octet Leptons in Lepton-Hadron Collisions
(2003)We study the resonance production of color octet leptons ${l_8}$ predicted by composite preon models of leptons and quarks at lepton-hadron colliders such as TESLA x HERA,$\mu p$ and Linac-LHC with the energy of about 1-10 ... -
Determination of defect distribution in a Ga-rich ZnO/CdS/Cu (In, Ga) $Se_2$ solar cell by admittance spectroscopy
(2005)This article presents a study on the energy distribution of defects in efficient thin film ZnO/CdS/Cu(In,Ga)$Se_2$ heterojunction solar cell by the use of admittance spectroscopy. The capacitance spectra of the device has ... -
Real gamma scattering at TESLA x N collider
(2001)The proposal for measurement of polarized gluon and quark distributions in scattering of polarized real y beam on polarized nuclear target have been considered. High energy y beam is obtained by backscattering of laser ... -
Admittance and impedance spectroscopy on Cu(In,Ga)Se2 solar cells
(2003)The present work reports some experimental results on the electrical properties of high efficiency ZnO/CdS/Cu(In,Ga)Se2 heterojunction solar cells. Admittance spectroscopy has been employed for characterisation of the bulk ... -
Raman scattering in layered CdInGaS4
(2004)Raman scattering spectra of CdInGaS4 crystals grown by the chemical transport method were measured at room and liquid-nitrogen temperatures. Band pairs at 29-38, 43-48 and 60-65 $cm^{-1}$ are reported for the first time. ... -
Air moisture sensing properties of ZnCr2O4−K2CrO4 composites
(2005)Crystalline structure, surface morphology and the response to air moisture of ceramic system of composition $ZnCr_2O_4-K_2CrO_4$ formed by solid state reaction at elevated temperatures were investigated. The fired ceramic ... -
$ZnCr_2O_4$'in nem algılama davranışlarının $K_2CrO_4$ eklenerek geliştirilmesi
(2005)Spinel $ZnCr_2O_4$ seramiğine çeşitli yüzdesel oranlarda potasyum kromatla yapılan katkılandırmanın neme karşı davranışı ile ilgili etkileri çalışılmıştır. Numuneler arasında sadece %20 $K_2CrO_4$ içeren $ZnCr_2O_4$ seramik ... -
SYNTHESIS AND OPTICAL PROPERTIES OF THE NOVEL Ho(5-SSA), (5-SSA = 5-SULFOSALICYLIC ACID) CAGE STRUCTURE
(2018)In recent years, intensive studies have been made on metal-organic frameworks (MOFs) which is kind of spongy structures having excellent original architectures formed by ligands in organic forms and metal centers classified ... -
n -CdS/ p-Cu (In, Ga)Se2 heteroeklem güneş pilinde akım iletim mekanizmasının belirlenmesi
(2001)Bu çalışmada Stuttgart Üniversitesi IPE laboratuarlarında hazırlanan ve emici tabakasını oluşturan materyallerin göreli ağırlık oranları; %22.26 Cu, %19.46 In,"%7.27 Ga ve %51.02 Se olan n-CdS/p-Cu(In,Ga)Se2 heteroeklem ... -
Indirect dating of an olive tree planting event using luminescence of the sediments lying beneath the roots of the tree: a pilot study in the south-western part of Anatolia, Turkey
(John Wiley and Sons Ltd, 2020)The aim of the present study is to attempt assessing the age of a monumental olive tree located between the Antique Cities of Militus (Didim-Aydın region) and Iasos (Milas-Muğla region). Wood from the trunk of an olive ... -
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 ... -
Structural and Optical Characterisation of Vacuum Deposited CdTe Thin Films
(1998)The structural and optical properties of vacuum deposited CdTe thin films on glass substrates were investigated. The effect of the heat treatment in air over the former properties of the layers was also examined. Grain ... -
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 ... -
Properties of ZnO layers deposited by ''photo-assisted'' spray pyrolysis
(Elsevier Science Bv, 1996)Layers of ZnO have been deposited onto glass substrates by ''photo-assisted'' spray pyrolysis using zinc chloride and zinc acetate as precursors in aqueous and non-aqueous solutions. The structure of these films has been ... -
Reflective light modulator based on epsilon-GaSe crystal
(Optical Soc Amer, 2002)We report the results of investigating a low-voltage, polarization-insensitive, reflective-type modulator based on an epsilon -GaSe crystal and operated at the 1.960-eV line of a He-Ne laser. We demonstrate that the ... -
Interdependence of absorber composition and recombination mechanism in Cu(In,Ga)(Se,S)(2) heterojunction solar cells
(Amer Inst Physics, 2002)Temperature-dependent current-voltage measurements are used to determine the dominant recombination path in thin-film heterojunction solar cells based on a variety of Cu(In,Ga)(Se,S)(2) alloys. The activation energy of ...
