Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 281-300
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Stress distribution on the fe based amorphous toroidal transducer core
(Hindawi Publishing Corporation, 2014)The basic principles of sensors are the transmission of energy from one system to another. In general, an electrical signal is produced by the change of a physical property induced by the applied change of a second parameter. ... -
Modeling of vapor sorption in polymeric film studied by surface plasmon resonance spectroscopy
(Academic Press Inc Elsevier Science, 2008)Sorption process by surface plasmon resonance (SPR) was studied by exposing polymeric film made from anthracene labeled poly(methyl methacrylate) (An-PMMA) chains to various concentrations of saturated chloroform vapor. ... -
Characterization of PDPA-b-PDMA-b-PDPA triblock copolymer Langmuir-Blodgett films for organic vapor sensing application
(Taylor & Francis Inc, 2016)This study reports the synthesis, characterization, and gas sensing applications of the PDPA-b-PDMA-b-PDPA triblock copolymer material using NMR, UV-visible spectroscopy, atomic force microscopy (AFM), quartz crystal ... -
Benzene vapor detection using spun poly(methyl methacrylate) thin films
(Amer Scientific Publishers, 2008)A series of poly(methyl methacrylate) (PMMA) polymers of different molecular weights were synthesized using the Emulsifier-Free Emulsion polymerisation method. Using Atomic Force Microscopy (AFM) measurements the film ... -
Synthesis, characterization, antibacterial, and antifungal activities of one-dimensional O-H center dot center dot center dot O hydrogen-bonded Cu(II) and Ni(II) complexes
(Taylor & Francis Inc, 2016)Two Schiff base complexes, [Cu(HL)(2)], 1 and [Ni(HL)(2)], 2 [H2L = 2-((E)-(2-hydroxyethylimino)methyl)-1-naptaphenol] have been synthesized and characterized by elemental analysis, H-1 NMR, C-13 NMR, IR spectroscopy, and ... -
Comparison of Ni-Cu alloy films electrodeposited at low and high pH levels
(Elsevier Science Sa, 2008)Ni-Cu alloy films were potentiostatically electrodeposited from the electrolytes with low pH (2.0) and high pH (3.3) levels. The structural analysis of the films was carried out using the X-ray diffraction (XRD) and scanning ... -
Scattering mechanisms in InN
(Elsevier Science Bv, 2008)The effect of scattering mechanisms on the published Hall electron mobility data has been investigated, in detail, as a function of temperature. The important mechanisms of electron scattering considered are those by charged ... -
Phthalimide thin film for methanol vapor detection
(Amer Scientific Publishers, 2008)The thin film and sensing properties of a novel (N-phthalimido)-p-aminobenzoic acid (FIABA) compound against methanol vapor is investigated using Atomic Force Microscopy (AFM) and Surface Plasmon Resonance (SPR). AFM results ... -
The effect of GaN thickness inserted between two AlN layers on the transport properties of a lattice matched AlInN/AlN/GaN/AlN/GaN double channel heterostructure
(Elsevier Science Sa, 2014)One AlInN/AlN/GaN single channel heterostructure sample and four AlInN/AlN/GaN/AlN/GaN double channel heterostructure samples with different values of the second GaN layer were studied. The interface profiles, crystalline ... -
Organic vapor sensing properties of copolymer Langmuir-Blodgett thin film sensors
(Taylor & Francis Inc, 2016)In this study, a novel poly[Styrene (ST)-co-Glycidyl Methacrylate (GMA)] copolymer material is used to fabricate Langmuir-Blodgett (LB) thin films and investigate organic vapor sensing properties. Quartz Crystal Microbalance ... -
Effects of gamma radiation on tertiary butylhydroquinone and its dosimetric features
(Verlag Z Naturforsch, 2008)The effects of gamma radiation on tertiary butylhydroquinone (TBHQ) are reported using electron spin resonance (ESR) spectroscopy. While unirradiated (control) TBHQ exhibited no ESR signal, irradiated one presented an ESR ... -
Electronic surface states of Cu(110) surface
(Elsevier Science Bv, 2006)Surface states are a unique and important class of quantum states that shave an important effect on the electronic properties of Cu(110) surface. The Cu(110) surface has been studied using ultraviolet photoemission ... -
Growth and characterisation of electrodeposited Co/Cu superlattices
(Amer Scientific Publishers, 2008)Ferromagnetic/non-ferromagnetic Co/Cu superlattices were grown on polycrystalline Titanium (Ti) W from a single electrolyte by electrodeposition. Microstructure and magnetoresistance (MR) of the superlattices were investigated ... -
Fabrication of a novel 1,3-bis(p-hydrazonobenzoicacid) indane langmuir-blodgett film and organic vapor sensing properties
(Elsevier Science Sa, 2008)A novel 1,3-bis(p-hydrazonobenzoicacid)indane (HBI) molecule was synthesised for the study of monolayer properties at the air-water interface, the fabrication of a Langmuir-Blodgett film, and the investigation of organic ... -
Synthesis, spectroscopic studies and nonlinear optical behavior of N,N '-bis(2-hydroxy-1-naphthylmethylidene)-1-methyl-1, 2-diaminoethane-N,N ',O,O '-nickel(II)
(Elsevier Science Bv, 2006)A Schiff base complex N,N'-bis(2-hydroxy-1-naphthylmethylidene)-1-methyl-1,2- diaminoethane-N,N',O,O'-nickel(II) has been synthesized. The title compound has been characterized by FT-IR and UV-vis spectroscopies. The UV-vis ... -
Crack detection using fluxgate magnetic field sensor
(Polish Acad Sciences Inst Physics, 2014)In this study, the variation of the magnetic flux distribution in a magnetised ferromagnetic material which has in homogeneity as a crack is studied. An orthogonal fluxgate magnetic field sensor was used in the inspection ... -
Electrical characterisation of stearic acid/calix[4]amine Langmuir-Blodgett thin film
(Elsevier Science Sa, 2014)Within this work we deposited 16 monolayers of stearic acid alternated with 15 monolayers of calix[4] amine to form a non-centrosymmetric Langmuir-Blodgett (LB) thin film onto an aluminized (50 nm coated) glass microscopic ... -
Characterisations of CoFeCu films: Influence of Fe concentration
(Elsevier Science Sa,, 2014)The properties of electrodeposited CoFeCu films were studied with respect to Fe ion concentration in the electrolyte due to their interesting magnetic properties like high saturation magnetisation and low coercivity. The ... -
Substrate type and their rotation speed controlled magnetic anisotropy of iron films evaporated by a newly designed vacuum coating system
(Natl Inst Optoelectronics, 2014)A newly designed Vacuum Coating System (VCS) system has been used for the first time to prepare magnetic iron thin films on plastic kapton and rigid glass substrates at different rotation speeds (0 rpm, 30 rpm, 60 rpm, and ... -
Two tetranuclear copper( ıı) complexes with open cubane- like cu4o4 core framework and ferromagnetic exchange ınteractions between copper( ıı) ıons: structure, magnetic properties, and density functional study
(Wiley-V C H Verlag Gmbh, 2014)Two alkoxo-bridged copper(II) tridentate Schiff base complexes [{Cu(H(2)L1)}(4)] (1) [H(2)L1 = N-(2-hydroxyethyl)-3,5-di-tert-butylsalicylaldimine] and {Cu(H(2)L2)}(4) (2) [H(2)L2 = N-(2-hydroxyethyl)-4-methoxysalicylaldimine] ...