Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 541-560
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Non-destructive crack detection by capturing local flux leakage field
(Elsevier Science Sa, 2001)The crack detection in the industrial machine parts is very important. The non-destructive crack detection and evaluation of the these cracks are highly desirable from the viewpoint of safe and economic operation of installed ... -
Antiferromagnetic coupling in a (mu-hydroxo)(mu-pyrazolato)dicopper(II) complex. Synthesis, crystal structure, magnetic properties, and theoretical studies
(Verlag Z Naturforsch, 2001)Preparation, crystal structure and magnetic properties of a 3,5-dimethylpyrazolate bridged binuclear copper(II) complex [Cu-2(L-1)(3,5 prz)] (L-1 = 1,3-Bis(2-hydroxy-1-napthylideneamino)propan-2-ol) (1) are reported. ... -
Analysis of a hot electron light emitting device at low and high electric and magnetic fields
(Wiley-V C H Verlag GMBH, 2001)The electrical characterization of a tunable wavelength surface light-emitting device is reported. The device consists of p-GaAs and n-Ga1-xAlxAs heterojunction containing an inversion layer on the p-side, and GaAs quantum ... -
2-[1-(Hydroxyimino)ethyl]-2,5,5-tri- methylperhydropyrimidine-butane-2,3-dione monooxime (1/1)
(Munksgaard Int Publ Ltd, 2001)The title compound, C9H19N3O C4H7NO2, displays strong intramolecular O?H N [O N 2.6743 (13) AÊ ] and N? H N [N N 2.6791 (15) AÊ ] hydrogen bonds, and strong intermolecular O?H N [O N 2.7949 (15) AÊ ] and N? H ... -
Importance of orbital complementarity in spin coupling through two different bridging groups. Synthesis, crystal structure, magnetic properties and magneto-structural correlations in a dicopper(II) complex of endogenous alkoxo bridging ligand with exogenous pyrazolate
(Verlag Z Naturforsch, 2001)[Cu-2(L-3)(3,5-prz)] (L-3 = 1,3-bis(2-hydroxy-4-methoxybenzylideneamino)-propan-2-ol) (3) was synthesized and its crystal structure determined. The compound consists of discrete binuclear units, in which copper atoms are ... -
In-plane anisotropy and stress detection of films deposited by RC technique
(Springer-Verlag, 2001)A Novel Rotating Cryostat (RC) vacuum system originally designed to fabricate organic layers has,been developed in order to prepare magnetic materials for specific applications such as sensors. The RC sputtering system has ... -
Absolute parameters of young stars - II. V831 Centauri
(Oxford Univ Press, 2010)Literature photometry and new high-resolution spectroscopy of V831 Cen are presented and analysed. Light and radial velocity curve fittings confirm the central pair of this young multiple system to be close to contact. ... -
Photoionization study of deep centers in gan/algan multiple quantum wells
(A V S Amer Inst Physics, 2010)Transient photocapacitance (TPC) measurements were performed to investigate deep centers in GaN/AlGaN multiple quantum wells. The influence of the persistent photovoltaic effect was successfully separated during the TPC ... -
Characterisations of cocu films electrodeposited at different cathode potentials
(Elsevier Science Bv, 2010)Structural and magnetic properties of CoCu films electrodeposited on polycrystalline Cu substrates were investigated as a function of cathode potential used for their deposition. The compositional analysis, performed by ... -
Role of electrolyte ph on structural and magnetic properties of co-fe films
(Elsevier Science Bv, 2010)Co-Fe films were electrodeposited on polycrystalline Titanium substrates from the electrolytes with different pH levels. X-ray diffraction (XRD) was used to study the crystal structure of the films. The XRD patterns showed ... -
Contribution of electrolyte pH and deposition potentials to the magnetic anisotropy of electrodeposited nickel films
(Elsevier Science Bv, 2010)The influence of electrolyte pH and cathode potential on the magnetic properties of single layer Nickel films electrodeposited on polycrystalline titanium substrates was studied. The films were deposited at the electrolyte ... -
Fabrication of octyltriethoxysilane langmuir-blodgett thin film
(Natl Inst Optoelectronics, 2010)In the present work the monolayer properties at the air-water interface of Octyltriethoxysilane (C8TES) molecules are investigated using Langmuir isotherm graphs. Uniform and high quality Langmuir-Blodgett films of these ... -
P-phthalimidobenzoic thin film for volatile organic vapor detection
(Natl Inst Optoelectronics, 2010)Thin films of the molecule of p-phthalimidobenzoic acid (FIBA) have been deposited by spin coating and are studied for application as sensing membrane for the detection of alcohols. Atomic force microscopy (AFM) and surface ... -
A study of pyroelectric and dielectric properties of alternate layer fluorodeconoylmonoitaconate Langmuir-Blodgett films
(Elsevier Science Bv, 2002)The pyroelectric effect of H-1, H-1(1), 2H(1), 2H- per fluorodeconoylmonoitaconate monomer/eicosylamine and H-1, 1H(1), 2H(1), 2H- per fluorodeconoylmonoitaconate polymer/eicosylamine alternate layer LB films has been ... -
Investigation of deposition parameters and output functions, and production of low coercivity films
(E D P Sciences, 2002)The correlation of deposition parameters with output functions when using a novel rotating cryostat (RC) system to produce magnetic materials has been investigated here. In order to do this, an orthogonal design technique ... -
Characterisation of evaporated and laser-ablated 3% silicon-iron
(Elsevier Science Bv, 2002)A novel rotating cryostat vacuum system originally designed to fabricate organic layers has been used for the first time to evaporate 3% silicon-iron magnetic materials. Results of all films deposited on glass and silicon ... -
Factors affecting magnetic properties of evaporated iron films
(Elsevier Science Bv, 2002)The factors determining the magnetic properties of iron films evaporated from an evaporation source positioned around a novel rotating cryostat (RC) system have been discussed. Results show all films exhibit isotropic ... -
Magnetic properties of dc magnetron sputtered and evaporated amorphous films
(Springer, 2002)Compositions. of Fe81B13.5Si3.5C2, Fe67Co18Si1B14 and Fe5.85Co72.15Mo2B15Si5 were deposited on to rigid and flexible substrates for the first time using a dc sputtering source as part of a novel Rotating Cryostat (RC). The ... -
Impact of deposition rate on the structural and magnetic properties of sputtered ni/cu multilayer thin films
(Walter De Gruyter Gmbh, 2018)The structural and corresponding magnetic properties of Ni/Cu films sputtered at low and high deposition rates were investigated as there is a limited number of related studies in this field. 5[Ni(10 nm)/Cu(30 nm)] multilayer ... -
Energy and momentum relaxation of hot electrons in GaN/AlGaN
(IOP Publishing Ltd, 2002)We report the experimental studies of hot-electron energy and momentum relaxation in the steady state in GaN/AlGaN HEMT structures with a high two-dimensional electron density of n = 1.5 x 10(13) cm(-2). From the ...
