Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 301-320
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A multi-channel temperature and humidity measurement system based on a micro-controller
(Natl Inst Optoelectronics, 2016)In recent years, microcontrollers are devices used widely for measuring physical quantities, processing measured values and controlling systems. Their specifications like conversion into embedded systems, quite convenient ... -
Preparation and gas sensing properties of Langmuir-Blodgett thin films of calix[n]arenes: Investigation of cavity effect
(Elsevİer Science Sa, 2014)Characterization and organic vapor sensing properties of Langmuir-Blodgett (LB) thin films of calix[n]arene (n=4, 6, 8) derivatives are reported in this work. Surface pressure-area isotherm graph shows that very stable ... -
A study of the density functional methods on the photoabsorption of bodipy dyes
(Elsevier Science Sa, 2014)Tunability of the photoabsorption and directional charge injection characteristics of Bodipy-based dye molecules with different carbonyl groups make them promising candidates for photovoltaic applications. In order to study ... -
Slow release of trapped homopolymers from a swelling polymeric gel: A fluorescence study
(Taylor & Francis Inc, 2008)In-situ steady-state fluorescence experiments were performed for studying slow release of pyrene-labeled polystyrene chains from polystyrene gels formed by free-radical crosslinking copolymerization. Atom transfer radical ... -
A dimeric Mn(III) complex of a quadridentate Schiff base ligand. Synthesis, structure and ferromagnetic exchange
(Verlag Z Naturforsch, 2008)The synthesis, crystal structure and magnetic properties of [Mn(III)L(H2O)](2)(H2O)(ClO4) (1) (L = N,N'-bis(rac-5-chlorosalicylidenato)-1,2-diaminopropane) are reported. Compound 1 consists of a structurally dinuclear ... -
Third-order nonlinear optic and optical limiting properties of a MN(III) transition metal complex
(World Scientific Publ Co Pte Ltd, 2007)N,N'-bis(5-bromosalicylidene)propane-1,2-diamine-O,O',N,N')-manganese(III) chloride transition metal complex has been synthesized and characterized by elemental analysis and UV-vis spectroscopy. Its crystal structure has ... -
Experimental and computational study on [2,6-bis(3,5-dimethyl-N-pyrazolyl)pyridine]-(dithiocyanato)mercury(II)
(Pergamon-Elsevier Science Ltd, 2007)The mercury complex of 2,6-bis(3,5-dimethyl-N-pyrazolyl)pyridine (bdmpp) has been synthesized and characterized by X-ray diffraction, IR, UV-Vis and TGA-DTA methods. The structure consists of units in which the mercury ... -
Nitrito complexes of nickel(II), copper(II) and cobalt(II) with tridentate pyrazole based planer ligand: Structure, spectroscopy, thermal properties and imitative nuclease activity
(Elsevier Science SA, 2015)Functional documentation of metal complexes are essential for various aspects including gene function/regulation and drug design for lethal diseases like cancer (Sigel and Martin (1982), Peters et al. (1997), Martin and ... -
Effect of hydrogenation on B/Si(001)-(1 x 2)
(Elsevier Science Bv, 2007)Ab initio calculations, based on pseudopotentials and density functional theory, have been performed to investigate the effect of hydrogenation on the atomic geometries and the energetics of substitutional boron on the ... -
The effect of ferromagnetic and non-ferromagnetic layer thicknesses on the electrodeposited cofe/cu multilayers
(Springer, 2015)A series of CoFe/Cu multilayer was electrodeposited as a function of ferromagnetic and non- ferromagnetic layer thicknesses on Ti substrates from a single electrolyte containing Co (from CoSO4), Fe (from FeSO4), Cu (from ... -
Electrodeposited cofecu films at high and low ph levels: structural and magnetic properties
(Springer, 2015)CoFeCu films were electrodeposited at high and low pH, and their structural, magnetic and magnetoresistance properties were studied. Current-time transients were recorded to observe the proper deposition of the films. ... -
Synthesis, crystal structure, spectroscopic studies and Ab-initio calculations on third-order optical nonlinearity of a five-coordinate chloroiron(III) complex
(World Scientific Publ Co Pte Ltd, 2007)A five-coordinate chloroiron(III) complex has been synthesized and characterized by X-ray diffraction analysis and UV-Vis spectroscopy. The maximum one-photon absorption ( OPA) wavelengths recorded by both linear optical ... -
EPR dosimetry intercomparison using smart phone touch screen glass
(Springer, 2014)This paper presents the results of an interlaboratory comparison of retrospective dosimetry using the electron paramagnetic resonance method. The test material used in this exercise was glass coming from the touch screens ... -
Self assembled thin films of poly(methyl methacrylate) for gas sensing
(Amer Scientific Publishers, 2007)Poly(methyl methacrylate) polymer is selected to produce a self assembled thin film onto a quartz crystal using self assembly deposition technique. The deposition of this poly(methyl methacrylate) film layer is characterized ... -
Electrical properties of a novel 1,3-bis-(p-iminobenzoic acid) indane langmuir-blodgett films containing ZnS nanoparticles
(Amer Scientific Publishers, 2007)ZnS nanoparticles have been formed in a newly synthesized 1,3-bis-(p-iminobenzoic acid) indane (IBI) by exposing Zn2+ doped multilayered Langmuir-Blodgett (LB) film to H2S gas after the growth. The formation of ZnS ... -
The role of stellar envelope convection in gravity-darkening and its relation to observational data
(Elsevier Science Bv, 2007)We study the role of convection in the surface heat flow of low mass stellar envelopes with the aid of Paczynski's public domain program program GOB. This role is important, for example, for the analysis of light curves ... -
Surface resonance transition of roughened Cu(110)
(Elsevier Science Bv, 2007)The temperature dependence of the reflection anisotropy spectroscopy (RAS) of a Cu(1 1 0) surface has been studied over the temperature range 700-1000 K. Because of the roughening transition at 900 K, the bimodal feature ... -
Scattering analysis of 2DEG carrier extracted by QMSA in undoped Al0.25Ga0.75N/GaN heterostructures
(Iop Publishing Ltd, 2007)Hall effect measurements on undoped Al0.25Ga0.75N/GaN heterostructures grown by a metalorganic chemical vapour deposition (MOCVD) technique have been carried out as a function of temperature (20-350 K) and magnetic field ... -
The analysis of scattering mechanisms in GaN by relaxation time approximation and the comparison by the transport to quantum scattering time ratios
(Edp Sciences S A, 2007)The effects of conventional scattering mechanisms on the electron Hall mobility in GaN are calculated and analysed. The ratios of the transport to quantum scattering time are also calculated and the ratio is evaluated in ... -
Effect of molecular and electronic structure on the light-harvesting properties of dye sensitizers
(Amer Chemical Soc, 2007)The systematic trends in structural and electronic properties of perylenediimide (PDI)-derived dye molecules have been investigated by DFT calculations based on the projector-augmented wave (PAW) method including ...