Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 421-440
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Comparison of gel swelling under organic vapor and in organic solvent
(Photoenergy Center Ain Shams Univ, 2005)A Fast Transient Fluorescence Technique (FTRF) was employed for studying swelling of disc shaped poly (methyl methacrylate) (PMMA) gels, which were prepared by free radical copolymerization of methyl (methacrylate) (MMA) ... -
Sputtered fecl/cu multilayer thin films: effect of different thicknesses of cu layer
(Natl Inst Optoelectronıcs, 2014)A series of FeCl/Cu multilayer thin films was deposited with different thicknesses of Cu layer. The multilayers were sputtered with a two dc magnetrons system. The effect of different thicknesses of Cu layer on the properties ... -
Hybrid functional calculated optical and electronic structures of thin anatase TiO2 nanowires with organic dye adsorbates
(Elsevier Science BV, 2015)The electronic and optical properties of thin anatase TiO2 (1 0 1) and (0 0 1) nanowires have been investigated using the screened Coulomb hybrid density functional calculations. For the bare nanowires with sub-nanometer ... -
Monte Carlo calculations of low energy positrons in silicon
(Inst Nuclear Chemistry Technology, 2005)Theoretical data for positron scattering from a thin silicon film and semi-infinite silicon are presented as a function of incident and outgoing angles and energies. These theoretical data of the scattering processes of ... -
Characterization and gas sensing properties of langmuir-blodgett thin films of poly(CINOEMA-co-DEAEMA
(American Scientific Publishers, 2016)2-(4-chloro-1-naphtyloxy)-2-oxoethyl methacrylate (CINOEMA) was synthesized by reacting 4-Chloro-1-naphthyloxychloromethylketonewith sodiummethacrylate in acetonitrile solvent at 70 °C. The free-radical initiated ... -
Anatase TiO2 nanowires functionalized by organic sensitizers for solar cells: A screened Coulomb hybrid density functional study
(Amer Inst Physics, 2015)The adsorption of two different organic molecules cyanidin glucoside (C21O11H20) and TA-St-CA on anatase (101) and (001) nanowires has been investigated using the standard and the range separated hybrid density functional ... -
A tunable hot-electron light emitter
(IOP Publishing LTD, 1997)We demonstrate the operation of a novel tunable wavelength surface emitting device. The device is based on a p-GaAs and n-Ga1-xAlxAs heterojunction containing an inversion layer on the p-side, and GaAs quantum wells on the ... -
Monte Carlo calculations of medium energy positrons in metals
(Pergamon-Elsevier Science Ltd, 1997)The Monte Carlo code, which has been used previously to simulate the transport of positrons in aluminium and copper, was modified for simulating the positron transport in silver, tin, gold and lead with incident positron ... -
X-ray characterization and magnetic properties of dioxygen-bridged CuII and MnIII Schiff base complexes
(International Union of Crystallography, 2016)The coordination chemistry of multinuclear metal compounds is important because of their relevance to the multi-metal active sites of various metalloproteins and metalloenzymes. Multinuclear Cu-II and Mn-III compounds are ... -
A simple way to obtain high saturation magnetization for superparamagnetic iron oxide nanoparticles synthesized in air atmosphere: Optimization by experimental design
(Elsevier Science Bv, 2016)Orthogonal design technique was applied to obtain superparamagnetic iron oxide nanoparticles with high saturation magnetization, Ms. Synthesis of the nanoparticles were done in air atmosphere according to the orthogonal ... -
Monte-Carlo calculations of low energy positrons in copper
(Pergamon-Elsevier Science Ltd, 1996)An analogue Monte-Carlo code has been used to simulate the transport of positrons in copper with an incoming energy range of 60 eV-30 keV. The simulation technique is based mainly on the screened Rutherford differential ... -
Crystal structure of a mu-oxo-bridged dimeric iron(III) complex
(Maık Nauka/Interperıodıca/Sprınger, 2015)A dimeric [{Fe(5-ClL1)}(2)(mu-O)], [H-2-5-ClL1 = N,N'-bis(5-chloro-2-hydroxybenzylidene)-2-methylpropane-1,2-diamine] tetradentate Schiff-base complex, 1, has been synthesized and its crystal structure has been determined ... -
A new tetranuclear distorted open-cubane copper(II) Schiff base complex: Structural, spectral and magnetic characterizations
(Pleiades Publishing Inc, 2015)A new tetranuclear complex [Cu-4(L)(4)] (1) (H2L = N-(2-hydroxyethyl)-3-metoxysalicylaldimine) has been synthesized and characterized by crystal structure analysis and magnetic susceptibility. Single-crystal X-ray diffraction ... -
Crystal structure and magnetic properties of dinuclear iron(III) complex with ONNO-donor ligand
(Maik Nauka/Interperiodica/Springer, 2015)A new dinuclear Fe(III) complex, [Fe(5-MeOL1)(OH)(0.86)(CH3O)(0.14)](2)aEuro cent 2(CH3OH), [H-2-5-MeOL1 = N,N'-bis(5-methoxy-2-hydroxybenzylidene)-2,2-dimethylpropane-1,3-diamine], 1 has been synthesized and characterized ... -
Beneficiation of quartz waste by flotation and by ultrasonic treatment
(Oficyna Wydawnicza Politechniki Wroclawskiej, 2011)Quartz is one of the most important industrial minerals used in glass and ceramic industries and high quality quartz are preferred. Impurities from quartz are usually removed by magnetic separation or flotation. This study ... -
Electrodeposited cobalt films: alteration caused by the electrolyte ph
(Springer, 2011)Cobalt (Co) films were electrodeposited on polycrystalline copper substrates at different pH values. It is observed that the crystal structure of the films converts from hexagonal close-packed (hcp) to a mixed phase of ... -
Properties of iron oxide nanoparticles synthesized at different temperatures
(Springer, 2011)Iron oxide nanoparticles were synthesized by co-precipitation in air atmosphere at different temperatures and their structural and magnetic properties were investigated. The mean particle sizes of iron oxide nanoparticles ... -
The use of [Fe(dithiooxalate)(2)(NO)](2-) as a tecton in crystal engineering
(Royal Soc Chemistry, 2011)A series of crystalline salts based on the complex dianion [Fe(dto)(2)(NO)](2-) (dto = 1,2-dithiooxalate) with hydrogen-bond donor cations have been synthesised. The preparation and structural characterisation of the new ... -
Mono- and dinuclear Fe(III) complexes with the N2O2 donor 5-chlorosalicylideneimine ligands; synthesis, X-ray structural characterization and magnetic properties
(Elsevier Science Sa, 2011)Two novel monomeric [C18H17Cl3N2O2Fe] (1) and dimeric [C38H36N4O4Cl6Fe2] (2) Fe(III) tetradentate Schiff base complexes have been synthesized and their crystal structures have been determined by single crystal X-ray ... -
The effect of different chemical compositions caused by the variation of deposition potential on properties of Ni-Co films
(Elsevier Science Bv, 2011)The magnetic and microstructural properties of Ni-Co films electrodeposited at different cathode potentials were investigated. The compositional analysis revealed that the Ni content increases from 13 at.% to 44 at.% in ...
