Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 461-480
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Pentacene multilayers on ag(111) surface
(Amer Chemıcal Soc, 2010)The structural profiles and electronic properties of pentacene (C22H14) multilayers on Ag(111) surface has been studied within the density functional theory framework. We have performed first-principle total energy ... -
Swelling behaviour of calixarene film exposed to various organic vapours by surface plasmon resonance technique
(Elsevier Science Sa, 2010)Calixarene molecules can be deposited using the Langmuir-Blodgett (LB) film technique as an active layer which can be utilised in the field of volatile organic vapour sensing applications. The sensing responses of the films ... -
Determination of texture orientation related magnetic properties of nickel-cobalt films
(Verlag Z Naturforsch, 2010)The determination of texture effects in nickel-cobalt (Ni-Co) films with different thickness, which were obtained by electrodeposition, has been investigated by the measurement of hysteresis loops at different angles. ... -
Mobility limiting scattering mechanisms in nitride-based two-dimensional heterostructures with the ıngan channel
(Iop Publishing Ltd, 2010)The scattering mechanisms limiting the carrier mobility in AlInN/AlN/InGaN/GaN two-dimensional electron gas (2DEG) heterostructures were investigated and compared with devices without InGaN channel. Although it is expected ... -
Drying process in vapor swollen heterogels
(Springer, 2010)Disk-shaped heterogels were prepared by combining methyl methacrylate (MMA) and styrene (S) with ethylene glycol dimethacrylate (EGDM) as a crosslinker agent in the presence of 2,2'-azobisisobutyronitrile (AIBN). Swelling ... -
N-[(E)-(9-Ethyl-9H-carbazol-3-yl)methyl-idene]aniline
(Wiley-Blackwell, 2010)The title compound, C(21)H(18)N(2), was obtained as the product of the reaction between 9-ethyl-9H-carbazole-3-carbaldehyde and aniline in ethanol. The crystal packing is stabilized mainly by C-H center dot center dot ... -
Characterization of Langmuir-Blodgett films of a calix[8]arene and sensing properties towards volatile organic vapors
(Elsevier Science SA, 2010)Within this article, we report the characterization and organic vapor sensing properties of Langmuir-Blodgett (LB) thin films of calix[8]arenes. Surface pressure-area isotherms show that very stable monolayers are formed ... -
The simulation of the two-dimensional ısing model on the creutz cellular automaton for the fractals obtained by using the model of diffusion-limited aggregation
(Verlag Z Naturforsch, 2010)The fractals are obtained by using the model of diffusion limited aggregation (DLA) for the lattice with L = 80 120, and 160 The values of the fractal dimensions are compared with the results of former studies As increasing ... -
Analytical differential cross section of electron elastically scattered by solid targets in the energy range up to 100 keV
(Pergamon-Elsevier Science Ltd, 2010)In this paper, we propose a new approach to determine the adjustable parameters of differential elastic cross-section of Bentabet et al. approximation. The resultant approximation is an analytical expression that can be ... -
Fabrication of pmma/arachidic acid lb films
(Natl Inst Optoelectronics, 2010)Fabrication of the polymethyl methacrylate (PMMA) molecules onto solid substrates in order to form Langmuir-Blodgett (LB) thin films have been studied in this paper. As a first step to determine the optimum conditions for ... -
Muon anomalous magnetic moment constraints on supersymmetric u(1)' models
(Amer Physical Soc, 2010)We study the anomalous magnetic moment of the muon in supersymmetric E-6 models and generic U(1)' models to probe the model reactions and to find constraints on the large parameter space of these models. For future searches, ... -
Tevatron higgs mass bounds: projecting u(1)' models to lhc domain
(Elsevier Science Bv, 2010)We study Higgs boson masses in supersymmetric models with an extra U(1) symmetry to be called U(1)'. Such extra gauge symmetries are urged by the mu problem of the MSSM, and they also arise frequently in low-energy ... -
The structural, electronic, elastic, vibrational, and thermodynamic properties of hoX (X=Sb, Bi)
(Elsevier Science Bv, 2010)We have predicted the structural, electronic, elastic, vibrational, and thermodynamic characteristics of HoX (X=Sb, Bi) compounds in NaCl type (B1) structure through the method of density functional theory within the ... -
A numeric application using diffusion limited aggregation model for the manganese dendrites
(Verlag Z Naturforsch, 2010)Black deposits known as manganese dendrites often mark the surfaces of magnesite ore. These have fractal appearance, but the origin and characteristics properties of this morphology and the numerical computation of its ... -
Synthesis, characterization and thermal properties of cobalt(ıı), nickel(ıı) and copper(ıı) complexes of 2,6-bis(3,4,5-trimethyl-n-pyrazolyl)pyridine): The crystal structure of [co(btmpp)(h2o)(2)(no3)]no3
(Springer, 2010)Co(II), Ni(II) and Cu(II) nitrate complexes with btmpp, namely ([Co(btmpp)(H2O)(2)(NO3)]NO3 (1), [Ni(btmpp)(H2O)(NO3)]NO3 (2) and [Cu(btmpp)(MeOH)(NO3)]NO3 (3), where btmpp = 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine), ... -
Effects of gamma radiation on solid trisodium citrate dihydrate: Radical kinetics, radiosensitivity and dosimetry
(Springer, 2010)In the present work, radiosensitivity and dosimetric potential of solid trisodium citrate dihydrate (SC) were explored through a detailed electron spin resonance (ESR) study performed at various temperatures. Irradiated ... -
Emulsifier-free emulsion polymerization of methyl methacrylate containing hydrophilic magnetite nanoparticles
(Polymer Soc Korea, 2010)Emulsifier-free emulsion polymerization of methyl methacrylate was carried out in the presence of hydrophilic magnetite nanoparticles using a persulfate initiator. Before the magnetic nanoparticles were placed into the ... -
Theoretical analysis of small pt particles on rutile tio2(110) surfaces
(Amer Physical Soc, 2010)The adsorption profiles and electronic structures of Pt-n(n = 1-4) clusters on stoichiometric, reduced and reconstructed rutile TiO2(110) surfaces were systematically studied using on site d-d Coulomb interaction corrected ... -
A simple way to synthesize superparamagnetic iron oxide nanoparticles in air atmosphere: Iron ion concentration effect
(IEEE-Inst Electrical Electronics Engineers Inc, 2010)We have synthesized iron oxide nanoparticles in air atmosphere by coprecipitation. The ratio of [Fe(+2)][Fe(+3)] was fixed at 2/3. The total amount of iron ions in the solution was varied from 250 mmol to 12.5 mmol. X-ray ... -
Composition dependence of structural and magnetic properties of electrodeposited Co-Cu films
(IEEE-Inst Electrical Electronics Engineers Inc, 2010)The structural and magnetic properties of Co-Cu films were studied in terms of Co content in the films. The surface morphology of the films showed that the film with the lowest Co content (3 wt. %) had dendritic structures, ...
