Güncel Gönderiler: Fizik-Makale Koleksiyonu
Toplam kayıt 620, listelenen: 341-360
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Monte carlo study of medium-energy electron penetration in aluminium and silver
(Inst Nuclear Chemistry Technology, 2015)Monte Carlo simulations are very useful for many physical processes. The transport of particles was simulated by Monte Carlo calculating the basic parameters such as probabilities of transmitted-reflected and angular-energy ... -
Influence of deposition potentials applied in continuous and pulse waveforms on magnetic properties of electrodeposited nickel-iron films
(Elsevier Science Sa, 2006)The effect of the various cathode potentials applied in continuous and pulse waveforms on magnetic anisotropy of NiFe alloy films grown on (100) textured polycrystalline copper substrates has been studied. Magnetic ... -
Production and characterisations of thin films deposited by a novel vacuum coating plant (VCP)
(Elsevier Science Sa, 2006)This paper reports a novel vacuum coating plant (VCP) system to prepare magnetic thin films. The first step of this extensive investigation was to evaporate and characterise simple iron films on various substrate in order ... -
2-Acetyl-3-methyl-4H-1,4-benzothiazine: a redetermination at 100 K
(Wiley-Blackwell,, 2006)The structure of the title compound, C11H11NOS, has been reported previously at room temperature by Ferguson & Ruhl [Cryst. Struct. Commun. (1982), 11, 1033-1038]. We report here a redetermination, at 100 (2) K, with ... -
A study of Langmuir-Blodgett thin film for organic vapor detection
(Elsevier Science Bv, 2007)In this work, arachidic acid was deposited onto a quartz crystal using a standard Langmuir-Blodgett (LB) thin film deposition procedure. Quartz Crystal Microbalance (QCM) technique was used to monitor the reproducibility ... -
The applicability of a model to the degenerate InN
(Natl Inst Optoelectronics, 2007)This paper presents a theoretical study of the carrier mobility in Indium Nitride (InN) material system. We used a model, referred to as alpha-model, based on a simplified relationship between the donor and dislocation ... -
Mn(II) complexes of different nuclearity: synthesis, characterization and catecholase-like activity
(Royal Soc Chemistry, 2016)Two "end-off" compartmental ligands, 2-formyl-4-chloro-6-N-ethylmorpholine-iminomethyl-phenol (HL1) and 2-formyl-4-methyl-6-N-ethylpyrrolidine-iminomethyl-phenol (HL2) have been designed and three complexes of Mn(II), one ... -
Monte Carlo simulations of positrons transmission and backscattering probabilities in nickel
(Elsevier Science Bv, 2006)Monte Carlo simulations for positron backscattering from the semi-infinite nickel with normal angle of incidence and the transmission through nickel foils of isotropically implanted positrons from a Na-22 beta(+) source ... -
Characterization of N-cyclohexylmethacrylamide LB thin films for room temperature vapor sensor application
(Taylor & Francis Inc, 2016)This study reports the synthesis, characterization and gas sensing applications of N-cyclohexylmethacrylamide (NCMA) monomer material using FT-IR, H-1 and C-13 NMR, UV-visible spectroscopy, Quartz Crystal Microbalance (QCM) ... -
Pyridinium boronic acid salts in crystal synthesis
(Royal Soc Chemistry, 2006)A series of salts of pyridinium boronic acids: [HNC5H4B(OH)(2)- 4](2)[M(S2C2O2)(2)] center dot 2H(2)O (M = Cu 1, Ni 2, Pd 3, Pt 4), [HNC5H4B(OH)(2)- 4](2)[Pt(O2C2O2)(2)] ( 5); [HNC5H4B(OH)(2)- 3](2) [M(S2C2O2)(2)] (M = Cu ... -
Cern lep indications for two light higgs bosons and the u(1)' model
(Amer Physical Soc, 2006)Reanalyses of LEP data have shown preference to two light CP-even Higgs bosons. We discuss implications of such a Higgs boson spectrum for the minimal supersymmetric model extended by a standard model singlet chiral ... -
Thermal behavior of the roughened Cu(110) surface
(Pergamon-Elsevier Science Ltd, 2006)The roughened Cu(110) surface was prepared by annealing the clean surface at various temperatures ranging from 700 to similar to 1000 K. A significant drop in intensity of reflection anisotropy spectroscopy (RAS) peak at ... -
Inverse photoemission spectroscopy of the unoccupied electronic structure of Na/Cu(110)
(Pergamon-Elsevier Science Ltd, 2006)The unoccupied electronic states of Na thin films on a Cu(110) substrate have been measured by inverse photoemission spectroscopy (WES). The WES spectrum provides the intensity of the unoccupied states, which decreases ... -
Specific power loss comparisons of magnetic strips using standard Epstein frame
(Korean Physical Soc, 2002)Amorphous magnetic materials are now competing in some of the markets traditionally monopolized by electrical steels. A variety of grain-oriented silicon-iron and amorphous magnetic materials have been under investigation. ... -
Mobility of two-dimensional electrons in an AlGaN/GaN modulation-doped heterostructure
(Wiley-V C H Verlag Gmbh, 2003)The results of experimental and theoretical studies concerning the temperature dependence of electron mobility in a two-dimensional electron gas (2DEG) confined near the interface of an AlGaN/GaN heterostructure are ... -
Synthesis, crystal structure and spectroscopic properties of a dinuclear nickel(II) complex bridged by an alkoxide and a mu-pyrazolate ligand
(Walter De Gruyter Gmbh, 2003)A nickel(II) complex, [Ni-2(L)(3,5-prz)1, (L = 1,3-bis(2-hydroxy-5-bromosalicylidene amino) propan-2-ol-, 3,5-prz = 3,5-dimethylpyrazolate), was synthesized and characterized by means of elemental analysis, infrared and ... -
Pyroelectric and conduction properties of Z-type calix[4] acid Langmuir-Blodgett films
(Amer Scientific Publishers, 2005)Non-centrosymmetric Z-type Langmuir-Blodgett (LB) films were prepared by transferring a calix[4] acid monolayer from a subphase of Millipore water (18 M Omega cm(-1)) onto aluminised glass substrates. Electrical measurements ... -
Formation of nanocomposite Langmuir-Blodgett alternate multilayers
(IEEE-Inst Elec Eng, 2003)Non-centrosymmetric alternate-layer Langmuir Blodgett (LB) films of stearic acid and eicosylamine molecules were treated with a twelve-hour-long exposure of hydrogen sulphide (H2S) gas. Surface plasmon resonance (SPR) ... -
GaN/AlGaN back-illuminated multiple-quantum-well Schottky barrier ultraviolet photodetectors
(Pergamon-Elsevier Science Ltd, 2003)We report on characterization and operation principle of a set of GaN/AlGaN multiple-quantum-well (MQW) photovoltaic detectors. The structures were grown by molecular beam epitaxy (MBE) on c-plane sapphire substrates and ... -
Electrodeposited cobalt films: The effect of deposition potentials on the film properties
(Natl Inst Optoelectronics, 2013)A series of cobalt films were deposited on copper substrates at different deposition potentials between -1.0 V and -1.6 V and their properties were investigated. The proper deposition potentials were obtained from the ...
