Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 670, listelenen: 361-380
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Swelling behavior of pyrene-labelled polystyrene LB thin film exposed to various volatile organic vapors
(Elsevier Science Sa, 2014)In this work thin films of pyrene-labelled polystyrene (PS) prepared Langmuir-Blodgett (LB) film technique are characterized by UV-visible spectroscopy, Atomic Force Microscopy (AFM) and Surface Plasmon Resonance (SPR). ... -
Use of triethylene glycol monobutyl ether in synthesis of iron oxide nanoparticles
(Elsevier Science Bv, 2014)Superparamagnetic iron oxide nanoparticles were synthesized by thermal decomposition of iron-oleate complex using triethylene glycol monobutyl ether (TREGBE) as solvent for the first time for more mass of the nanoparticles. ... -
Pyroelectric and dielectric characterisation of alternate layer Langmuir-Blodgett films incorporating ions
(Elsevier Science Bv, 2007)Non-centrosymmetric Langmuir-Blodgett (LB) thin films exhibit a temperature-dependent electric polarisation, which is known as the pyroelectric effect. Alternate layer LB films were prepared by transferring polysiloxane ... -
Epr investigation of thermal decay of radiation-induced species of benzoic acid and its sodium and potassium salts
(Springer, 2015)The structural and kinetic features of the radiation-induced radicals of benzoic acid and its sodium and potassium salts were investigated using electron paramagnetic resonance (EPR) spectroscopy. Two main different radicals ... -
Syntheses, characterization, and magneto-structural analyses in 1,3-acetato-bridged tetracopper(ıı) and mu(1,3)- and mu(1,1,3)-acetato-bridged pentanickel(ıı) clusters
(Wiley-V C H Verlag Gmbh, 2014)Two pentanuclear NiII complexes, [Ni-5(L-1)(2)(CH3COO)(6)(OH)(2)(MeOH)(2)]- (1) and [Ni-5(L-2)(2)(CH3COO)(6)(OH)(2)(H2O)(2)] (2), and one tetranuclear CuII complex, [Cu-4(L-3)(2)(CH3COO)(4)(O)] (3), have been synthesized ... -
Generalized soft breaking leverage for the MSSM
(Amer Physical Soc, 2015)In this work we study implications of additional nonholomorphic soft breaking terms (mu', A(t)', A(b)', and A(t)') on the minimal supersymmetric extension of the standard model (MSSM) phenomenology. By respecting the ... -
Improvement of carrier injection symmetry and quantum efficiency in ıngan light-emitting diodes with mg delta-doped barriers
(Amer Inst Physics, 2015)The effect of delta-doping of In0.06Ga0.94N barriers with Mg on the quantum efficiency of blue light-emitting-diodes (LEDs) with active regions composed of 6 (hex) 3-nm In0.15Ga0.85N is investigated. Compared to the reference ... -
Formation of Langmuir-Blodgett thin film of a novel N-dodecylphthalimide
(Elsevier Science Bv,, 2006)The aim of this work is to investigate the Langmuir-Blodgett (LB) thin film preparation of a novel N-dodecylphthalimide (NDP). Langmuir properties of this new molecule are studied at the air-water interface recording ... -
Synthesis, structure, spectroscopic studies and ab-initio calculations on first hyperpolarizabilities of NN '-bis(2-hydroxy-1-naphthyl-methylidene)-1-methyl-1,2-diaminoethane-N,N ',O,O '-copper(II)
(Verlag Z Naturforsch, 2006)N,N'-Bis(2-hydroxy-1-naphthylmethylidene)-1-methyl-1,2-diaminoethane-N,N',O,O'-copper(II) has been synthesized, and characterized by FT-IR and UV/vis spectroscopies. Its crystal structure has been determined by X-ray ... -
Reordering of polystyrene gel due to multiple swelling in organic vapor - Fast transient fluorescence technique study
(Elsevier Science Sa, 2006)Reordering of disc-shaped polystyrene (PS) gels due to multiple swelling, under organic vapor was studied by using Fast Transient Fluorescence (FTRF) technique. Disc-sbaped polystyrene gels were prepared by free radical ... -
Characterizations of electrodeposited nicofe ternary alloys: Influence of deposition potential
(Springer, 2015)Microstructural, magnetoresistance and magnetic properties of electrodeposited NiCoFe ternary alloys were investigated in terms of deposition potentials changing from -1.8 to -3.0 V with respect to saturated calomel ... -
Chlorometallate-pyridinium boronic acid salts for crystal engineering: synthesis of one-, two-, and three-dimensional hydrogen bond networks
(Amer Chemical Soc, 2015)A series of new crystal structures of salts containing 3- and 4-pyridineboronic acid (3- and 4-pba) with chlorometallate have been prepared: [4-pbaH][MnCl2] (1), [4-pbaH][CdCl2], (2), [4-pbaH]2[CuCl4] (3), [4-pbaH]2[PdCl4] ... -
Characterization of 1,7-dibromo-N,N '-(bicyclohexyl)-3,4:9,10-perylendiimide langmuir-blodgett film for organic vapor sensing application
(Elsevier Science BV, 2015)1,7-Dibromo-N,N'-(bicyclohexyl)-3,4:9,10-perylendiimide material (FY3) was used as a sensor element in this work. Different number of LB thin film layer was deposited onto a gold-coated glass substrate to produce a thin ... -
Monte carlo study of medium-energy electron penetration in aluminium and silver
(Inst Nuclear Chemistry Technology, 2015)Monte Carlo simulations are very useful for many physical processes. The transport of particles was simulated by Monte Carlo calculating the basic parameters such as probabilities of transmitted-reflected and angular-energy ... -
Influence of deposition potentials applied in continuous and pulse waveforms on magnetic properties of electrodeposited nickel-iron films
(Elsevier Science Sa, 2006)The effect of the various cathode potentials applied in continuous and pulse waveforms on magnetic anisotropy of NiFe alloy films grown on (100) textured polycrystalline copper substrates has been studied. Magnetic ... -
Production and characterisations of thin films deposited by a novel vacuum coating plant (VCP)
(Elsevier Science Sa, 2006)This paper reports a novel vacuum coating plant (VCP) system to prepare magnetic thin films. The first step of this extensive investigation was to evaporate and characterise simple iron films on various substrate in order ... -
Characterization of a novel 1,3-bis(4-imino-3-hidroxy-benzoicacid)indane Langmuir-Blodgett film for organic vapour sensing
(Natl Inst Optoelectronics, 2007)A Langmuir-Blodgeft (LB) thin film deposition technique is used to characterise a novel 1,3-Bis(4-imino-3-hydroxylbenzoicacid) indane material on the water surface, and to transfer it as an ultra-thin LB film layer onto ... -
2-Acetyl-3-methyl-4H-1,4-benzothiazine: a redetermination at 100 K
(Wiley-Blackwell,, 2006)The structure of the title compound, C11H11NOS, has been reported previously at room temperature by Ferguson & Ruhl [Cryst. Struct. Commun. (1982), 11, 1033-1038]. We report here a redetermination, at 100 (2) K, with ... -
A study of Langmuir-Blodgett thin film for organic vapor detection
(Elsevier Science Bv, 2007)In this work, arachidic acid was deposited onto a quartz crystal using a standard Langmuir-Blodgett (LB) thin film deposition procedure. Quartz Crystal Microbalance (QCM) technique was used to monitor the reproducibility ... -
The applicability of a model to the degenerate InN
(Natl Inst Optoelectronics, 2007)This paper presents a theoretical study of the carrier mobility in Indium Nitride (InN) material system. We used a model, referred to as alpha-model, based on a simplified relationship between the donor and dislocation ...
