Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 666, listelenen: 481-500
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Radical kinetics and dosimetric features of gamma-irradiated disodium ethylenediaminetetraacetic acid
(Pergamon-Elsevier Science Ltd, 2011)Dosimetric potential and kinetic features of disodium ethylenediaminetetraacetic acid (NaEDTA) were explored through a detail electron spin resonance (ESR) study performed at various temperatures on samples irradiated at ... -
The first principles study on the TmSb compound
(Elsevier Science Bv, 2011)The structural, elastic, electronic, thermodynamic, and phonon properties of TmSb which crystallizes in NaCl (B1) phase were analyzed by performing ab-initio calculations based on density functional theory using the Vienna ... -
Superparamagnetic latex synthesized by a new route of emulsifier-free emulsion polymerization
(Wiley-Blackwell, 2011)The aim of this study was to design polymeric nanospheres containing magnetic nanoparticle which could display superparamagnetic behavior and thus find application in allied fields. First magnetite nanoparticles were ... -
Effects of methyl substituent on the charge-transfer complexations of dicarbazolylalkanes with p-chloranil, tetracyanoethylene and tetracyanoquinodimethane
(Pergamon-Elsevier Science Ltd, 2011)Series of 1,n-dicarbazolylalkanes and 1,n-di(3-methylcarbazolyl)alkanes (where n=1-5) were synthesized and the molar extinction coefficients, equilibrium constants, enthalpies, and entropies of their charge-transfer (CT) ... -
Energy relaxations of hot electrons in AlGaN/AlN/GaN heterostructures grown by MOCVD on sapphire and 6H-SiC substrates
(EDP Sciences S A, 2011)In this work, we investigated the hot-electron dynamics of AlGaN/GaN HEMT structures grown by MOCVD on sapphire and SiC substrates at 80 K. High-speed current-voltage measurements and Hall measurements over the temperature ... -
Optical reflectance anisotropy of the growth of Fe monolayers on W(110)
(Iop Publishing Ltd, 2011)We report measurements of the optical anisotropy of Fe layers grown on the W(110) surface using reflection anisotropy spectroscopy (RAS). As the first monolayer of Fe is deposited onto W(110), the resonance-like RAS profile ... -
Surface energy and excess charge in (1x2)-reconstructed rutile TiO2(110) from DFT plus U calculations
(Amer Physical Soc, 2011)Physically reasonable electronic structures of reconstructed rutile TiO2(110)-(1x2) surfaces were studied using density functional theory (DFT) supplemented with Hubbard U on-site Coulomb repulsion acting on the d electrons, ... -
A new hydrogen-bonded pseudo-dimer Mn(III) Schiff base complex. The synthesis, X-ray structure and spectroscopic studies
(Pergamon-Elsevier Science Ltd, 2011)A new hydrogen-bonded pseudo-dimer, [Mn(III)L1(CH3CH2OH)](2)(ClO4) (1) (L1 = N,N'-bis(2-hydroxy-1-naphthalidenato)-1,2-diaminopropane) has been synthesized and characterized by UV-vis, IR, elemental analysis and crystal ... -
Optical characterization and organic vapor sensing application of perylendiimide Langmuir-Blodgett thin films
(NATL INST Optoelectronics, 2016)The Langmuir-Blodgett (LB) technique was employed to produce thin LB films using N,N'-(glycine tert-butylester)-3,4,9,10-perylenediimide (FY1) material on gold coated glass. The characteristics of the perylenediimide FY1 ... -
Thin film characterization of novel phthalimide materials
(Natl Inst Optoelectronıcs,, 2011)Spin coating technique is employed to produce thin phthalimide films using novel p-phthalimidobenzoic acid (FIBA) and N-(phthalimido)-p-aminobenzoic acid (FIABA) materials. Several spin speeds and various solution ... -
Optical parameters of calix[4]arene films and their response to volatile organic vapors
(Elsevier Science Sa, 2011)The Langmuir-Blodgett (LB) technique was employed to produce thin LB films using an amphiphilic calix-4-resorcinarene onto different substrates such as quartz, gold coated glass and quartz crystals. The characteristics of ... -
The influence of the surface morphologies of Langmuir Blodgett (LB) thin films of porphyrins on their gas sensing properties
(Elsevier Science Sa, 2011)In this work, 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine (OEP) in its free base form and metalated with iron (III) chloride (FeOEP), magnesium(II) (MgOEP) and cobalt(II) (CoOEP) have been used to fabricate Langmuir-Blodgett ... -
Thin film characterization and vapor sensing properties of a novel perylenediimide material
(Elsevier Science, 2011)A novel N,N'-(glycine tert-butylester)-3,4,9,10-perylenediimide was chosen for the study of Langmuir-Blodgett (LB) thin film characterization and the sensing properties against selected volatile organic vapors. Different ... -
Plasma polymerized calixarene thin films and their sensing properties to chloroform vapors
(Taylor & Francis Ltd, 2010)The production of calixarene thin films via double discharge plasma technique and their sensitivity towards chloroform vapor are presented here in. The calixarene thin film is fabricated for the first time by plasma ... -
Magnetoresistance of conicu/cu multilayers electrodeposited from electrolytes with different ni ıon concentrations
(Electrochemical Soc Inc, 2010)A series of CoNiCu/Cu multilayers was potentiostatically electrodeposited on strong (100) textured Cu substrates from electrolytes with different Ni concentrations. X-ray diffraction patterns showed that all studied samples ... -
Dependence of magnetoresistance in electrodeposited CoNiCu/Cu multilayers on Ni composition
(Electrochemical Soc Inc, 2010)A series of CoNiCu/Cu multilayers was potentiostatically electrodeposited on strong (100) textured Cu substrates from the electrolytes with different Ni concentrations. The x-ray diffraction (XRD) data showed that all ... -
Fabrication of langmuir-blodgett thin films of porphyrins and investigation on their gas sensing properties
(Elsevier Science SA, 2010)In the present study, we report about the Langmuir-Blodgett thin film fabrication and gas sensing properties of metal free 2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphine and its derivatives containing iron chloride, cobalt ... -
Properties of Co-Fe films: Dependence of cathode potentials
(Ieee-Inst Electrical Electronics Engineers Inc, 2010)Co-Fe films were electrodeposited on Titanium substrates at the cathode potentials changing from -1.8 to -2.7 V with respect to saturated calomel electrode (SCE). The structural analysis by X-ray diffraction revealed that ... -
A new example of the diffusion-limited aggregation: Ni-Cu film patterns
(Elsevier Science Bv, 2010)The mechanism of the growth of the dendrites in the Ni-Cu films is studied by comparing them with the aggregates obtained by Monte Carlo (MC) simulations according to the diffusion-limited aggregation (DLA) model. The films ... -
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 ...
