Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 666, listelenen: 421-440
-
Synthesis, crystal structure and magnetic properties of a novel Gd-III-Cu-II heterodinuclear complex
(Verlag Z Naturforsch, 2000)Preparation, crystal structure and magnetic properties of a heterodinuclear complex, LCu(Me2CO) Gd (NO3)(3) (L = (N,N'-bis(3-methoxysalicylidene)propane-1,2-diamine) are reported. The crystal structure of the complex was ... -
Investigation of radiation sensitivity of some tartrate compounds
(Oxford Univ Press, 2014)Potential electron spin resonance (ESR) dosimetric application of different compounds of sodium tartrate, such as sodium tartrate dihydrate, sodium bitartrate monohydrate and potassium sodium tartrate tetrahydrate, was ... -
Synthesis and characterization of monomeric Mn (IV) and pseudo-tetrameric Mn (III) complexes: Magnetic properties of Mn (III) complex
(Pergamon-Elsevier Science Ltd, 2014)Two novel monomer Mn (IV) [Mn(3,5-ClL1)(2)]center dot(CH3OH), (1), [3,5-ClL1H(2) = N-(2-hydroxyethyl)-3,5-dichlorosalicylaldimine] (1) and hydrogen-bonded pseudo-tetramer Mn (III) [Mn(5-BrL2)(H2O)(2)](2)center dot[Mn(5-B ... -
3,9-dimethyl-1,11-diphenyl-4,8-diaza-undecane-1,11-dione dihydrate
(Munksgaard Int Publ Ltd, 1999)The title compound, C23H26N2O2. 2H(2)O, displays strong intramolecular N-H ... O [2.637(2) Angstrom] and intermolecular O-H ... O [2.763(4) and 2.842(3) Angstrom] hydrogen bonds within each salicylideneimine unit and water ... -
Tunable wavelength light emission from longitudinally biased p-GaAs/n-Ga1-xAlxAs junction containing GaAs quantum wells: Non-linear dynamics
(Elsevier Science Bv, 1999)We report on the operation and non-linear dynamics of a hot electron device that emits light with wavelength tunability, The device consists of p-GaAs/n-Ga-1 -xAlxAs heterojunction containing an inversion layer on the ... -
The power absorption and the penetration depth of electromagnetic radiation in lead telluride under cyclotron resonance conditions
(Elsevier Science Bv, 1999)Cyclotron resonance absorption in n- and p-type PbTe was observed by Nii and was analysed under classical skin effect conditions. When the values of DC magnetic field corresponding to peaks are plotted against the held ... -
ESR dosimetry and radical kinetics of gamma-irradiated propyl gallate
(Elsevier Science Bv, 2014)Propyl gallate (PG) is one of the most effective synthetic antioxidant. In the present work, the effects of gamma radiation on powder PG were investigated by Electron Spin Resonance (ESR) spectroscopy. The experimental ... -
Doubly phenoxo-bridged M-Na (M = Cu(II), Ni(II)) complexes of tetradentate Schiff base: Structure, photoluminescence, EPR, electrochemical studies and DFT computation
(Pergamon-Elsevier Science Ltd, 2014)Phenoxo-bridged complexes [M(mu-L)Na(ClO4)(CH3OH)] (M = Cu(II) (1) and Ni(II) (2)) (H2L = N,N'-bis(3-methoxysalicylidenimino)-1,3-diaminopropane, C6H3(OMe)(OH)-CH = N-(CH2)(3)-N = CH-C6H3(OMe)(OH)) are structurally ... -
Fabrication of langmuir-blodgett thin film for organic vapor detection using a novel n,n '-dicyclohexyl-3,4:9,10-perylenebis (dicarboximide)
(Elsevier Science Sa, 2014)The Langmuir-Blodgett (LB) thin film fabrication and gas sensing properties of a novel N,N'-dicyclohexyl-3,4:9,10-perylenebis (dicarboximide) (FY2) is reported in this study. Surface pressure changes as a function of surface ... -
Linear attenuation coefficients of tissues from 1 keV to 150 keV
(Pergamon-Elsevier Scıence Ltd, 2014)The linear attenuation coefficients and three interaction processes have been computed for liver, kidney, muscle, fat and for a range of x-ray energies from 1 key to 150 keV. Molecular photoelectric absorption cross sections ... -
Treatment of the olive beta-glycosidase bound superparamagnetic nanoparticles onto green table olives
(Wiley-Blackwell, 2015)Treatment of oliveb-glucosidase bound superparamagnetic ironoxide nanoparticles (SPIONs) onto gren table olives were studied.The SPIONs were prepared by co-precipitation Fe+2and Fe+3ions in an ammonia solution at room ... -
Temperature dependent hot electron transport in slightly lattice mismatched AlInN/AlN/GaN heterostructures
(Natl Inst Optoelectronics, 2014)In this work, the hot-electron transport properties of AlInN/AlN/GaN HEMT structures with a high sheet electron density of 4.84x10(13) cm(-2) grown by MOCVD (Metal Organic Chemical Vapor Deposition) on sapphire substrate ... -
Different contributions in omega -> pi(0)eta gamma and rho -> pi(0)eta gamma decays
(Amer Physical Soc, 2004)We examine the radiative omega-->pi^(0)etagamma and rho-->pi^(0)etagamma decays in a phenomenological framework. We consider the vector meson dominance mechanism, chiral loops, intermediate a(0)-meson and rho-omega mixing. ... -
Azido bridge mediated catecholase activity, electrochemistry and magnetic behavior of a dinuclear copper(II) complex of a phenol based "end-off" compartmental ligand
(Elsevier Science SA, 2015)A dinuclear Cu(II) species [Cu2L2(H2O)(2)(N-3)](NO3)(2) (L = 2,6-bis(N-ethylpyrrolidine-iminomethyl)-4-methyl- phenolato) where two Cu centers are bridged by phenoxido and mu(1,1)-azido bridges with Cu-Cu separation of ... -
Rotation speed-induced uniaxial in-plane anisotropy in thin films deposited onto a rotating substrate
(Kluwer Academic/Plenum Publishers, 2004)The Rotating Cryostat system consists of a rapidly rotating, liquid-nitrogen-cooled drum, around which a substrate can be placed. The possibility of using multiport sources gives the system wide capabilities for producing ... -
First principles study of the structural, mechanical, phonon, optical, and thermodynamic properties of half-Heusler (HH) compound NbFeSb
(Iop Publishing Ltd, 2015)We studied the structural, mechanical, phonon, optical and thermodynamic properties of MgAgAs-based NbFeSb compound by means of first-principles based on the density functional theory. The calculated lattice constant is ... -
The influence of deposition parameters on production of soft Fe81Co13.5Si3.5C2 and Fe67Co18Si1B14 films
(Springer, 2004)Production parameters are important for the production of desirable type of magnetic materials. The feasibility of low coercivity amorphous films production using a novel rotating cryostat (RC) technique for sensor application ... -
Effect of thermal treatment on ZnO substrate for epitaxial growth
(Springer, 2004)ZnO is a highly efficient photon emitter, and has optical and piezoelectric properties that are attractive for a variety of applications in sensors and potentially optoelectronic devices such as emitters. Due to its identical ... -
The influence of production conditions on the magnetic properties of sputtered and laser deposited thin films
(Natl Inst Optoelectronics, 2004)A comparison between the magnetic properties of iron films deposited by dc sputtering and laser ablation is reported here. Results show that sputtered films generally exhibit isotropic behaviour when deposited on rigid ... -
Dislocation scattering effect on two-dimensional electron gas transport in GaN/AlGaN modulation-doped heterostructures
(Elsevier Science Bv, 2004)We present the effect of all standard scattering mechanisms, including scattering by acoustic and optical phonons, remote and background impurities and dislocation, on two-dimensional electron gas (2DEG) transport in ...
