Güncel Gönderiler: Bildiri Koleksiyonu
Toplam kayıt 95, listelenen: 41-60
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Some structural properties of CdO : F films produced by ultrasonic spray pyrolysis method
(Elsevier Science Sa, 2007)The fluorine doped cadmium oxide (CdO:F) samples have been deposited at 250 degrees C by ultrasonic spray pyrolysis method. Cadmiumacetatdihydrat and ammonium fluoride have been taken as a source of cadmium and fluorine-dopant ... -
Electrical properties of ZnO/Au/ZnS/Au films deposited by ultrasonic spray pyrolysis
(Elsevier Science Sa, 2007)Polycrystalline ZnS semiconducting films have been prepared by ultrasonic spray pyrolysis technique in the form of planar and sandwich configurations using amorphous and ZnO coated glass substrates. Deposition of ZnS films ... -
Dielectric properties of some cationic forms of laponite clay
(Trans Tech Publications LTD, 2004)Laponite is synthetic smectite clay. It resembles the natural clay mineral hectorite. They have same structure and composition. Laponite is layered hydrous magnesium silicate, which is hydrothermally synthesized from simple ... -
The investigation of dielectric properties of pyrophyllite
(Trans Tech Publications LTD, 2004)Pyrophyllite, a clay mineral, is hydrous aluminum silicate which has a chemical formula of Al2Si4O10(OH)(2). Such properties of high dielectric constant (permittivity) and low electrical conductivity make it useful for ... -
Theoretical investigation of the derivatives of favipiravir (T-705) as potential drugs for Ebola virus
(Walter De Gruyter GMBH, 2019)Density functional theory (DFT) method was used to compute the structural and vibrational parameters of favipiravir (T-705) in the gas phase. The functional used was B3LYP in conjuction with the 6-311++G(d,p) basis set. ... -
Performance study of SQW GaInNAs fabry-perot lasers
(Wiley-V C H Verlag GMBH, 2007)The work presented here is concerned with studies of the operational characteristics of single-quantum-well GaInNAs/GaAs Fabry-Perot lasers, where identical layer structures with differing cavity lengths are evaluated both ... -
Superconductivity in MBE grown InN
(Wiley-V C H Verlag GMBH, 2011)We present the experimental investigation of superconductivity in unintentionally doped MBE grown InN samples with various InN film thicknesses. A significant change in resistivity was observed at 3.82K, for an 1080 nm InN ... -
Optical absorption and spectroscopic properties of thulium doped (TeO2)(Nb2O5)(TiO2) glasses
(Wiley-V C H Verlag GMBH, 2011)A type of thulium doped tellurite based optical glasses was prepared through conventional melt quenching technique. In the experiments, the effect of different Tm3+ ion concentration and glass composition on optical ... -
Thermal, Optical Properties and Structural Investigation of Tm3+ doped TeO2-ZnO-TiO2 Glass System
(E D P Sciences, 2010)Tellurite based infrared glasses in the Tm3+ doped TeO2-ZnO-TiO2 system were prepared and its optical properties and crystallization kinetics investigated by using UV-VIS-NIR spectrophometer and differential thermal analysis ... -
Characterization of NiO films deposited by homemade spin coater
(Pergamon-Elsevier Science LTD, 2016)NiO films were fabricated by sol gel spin coating technique. The deposited films annealed in air, oxygen, nitrogen and argon atmospheres. The influence of the annealing atmospheres on the structural, morphological, optical ... -
Investigation of carbon produced by methane pulsed discharge
(Wiley-V C H Verlag GMBH, 2007)Pulsed discharges of methane gas at atmospheric pressure were generated using high voltage power supply (20 kV-25 kHz) to produce the carbon. The pulsed discharge of methane gas was generated between two sharp wolfram ... -
Molecular structure, NMR analyses, density functional theory and ab initio Hartree-Fock calculations of 3-phenylpropylamine
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2009)H-1, C-13, DEPT, COSY, NOESY and HETCOR NMR spectra of 3-phenylpropylamine (3-PPA) have been reported in chloroform-d, dichloromethane-d, methanol-d, dimethylsulfoxide-d and acetone-d. Solvent effects on nuclear magnetic ... -
Nanolabel for TNF-alpha determination
(Elsevier Science BV, 2013)Tumor necrosis factor-alpha (TNF-alpha), also known as cachectin, is one of the most important regulatory cytokines and mediates a variety of cell functions, including the stimulation of nitric oxide (NO) production which ... -
Some physical properties of Cd1-xSnxS films used as window layer in heterojunction solar cells
(Pergamon-Elsevier Science LTD, 2009)CdS has been proved to be an ideal material for use as the window layer for heterojunction solar cells especially with n-CdS/p-CdTe. CdS, Cd0.9Sn0.1S and Cd0.8Sn0.2S films were deposited onto glass substrates at 300 degrees ... -
Electro-Fenton treatment of aqueous Clopyralid solutions
(Taylor & Francis LTD, 2010)The removal of Clopyralid (CLPYD) from aqueous solutions was performed by the electro-Fenton process in which hydroxyl radicals are produced electrocatalytically and used to degrade the persistent organic pollutants. The ... -
Adsorption characteristics of lead(II) ions onto the clay/poly(methoxyethyl)acrylamide (PMEA) composite from aqueous solutions
(Elsevier Science BV, 2008)The presence of heavy metals in the aquatic environment has been a big deal to scientists due to their increased discharge, toxic nature, and other adverse effects on receiving waters. Even a very low concentration of lead ... -
Photochemistry of six- and five-membered-ring alpha,beta-unsaturated lactones in cryogenic matrices
(Wiley, 2008)The photochemistry of representative six and five-membered alpha,beta-unsaturated lactones [alpha-pyrone and some of its derivatives, including coumarin and 3-acetamidocoumarin, 2(SH)-furanone] isolated in cryogenic inert ... -
In situ direct photoproduction of ketenes from substituted coumarins isolated in solid argon: The case of N-(2-oxo-2H-chromen-3-yl)acetamide
(Elsevier Science BV, 2009)In this study, the infrared spectrum of N-(2-oxo-2H-chromen-3-yl)acetamide (3-acetamidocoumarin; 3AC) isolated in solid argon, at 10 K, was obtained and assigned. In consonance with the relative energies of the three ... -
Electronic and optical properties of 4.2 mu m"N" structured superlattice MWIR photodetectors
(Elsevier Science BV, 2013)We report on the development of a new structure for type II superlattice photodiodes that we call the "N" design. In this new design, we insert an electron barrier between InAs and GaSb in the growth direction. The barrier ... -
Determination of Adsorption and Kinetic Parameters for Synthesis of Isobutyl Acetate Catalyzed by Amberlite IR-122
(Taylor & Francis Inc, 2009)In the present study, the kinetics of esterification of acetic acid with isobutanol was studied by using Amberlite IR-122 as an acid catalyst. Experiments were carried out in a stirred batch reactor in dioxane at different ...
