Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 670, listelenen: 321-340
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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] ... -
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 ...
