Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 18-37
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A comparative study on electrospun fibers of cyanobiphenyl liquid crystal homologues
(TAYLOR & FRANCIS INC, 2023)Cyanobiphenyl homologues are important liquid crystals to use in some applications since they exhibit intrinsic properties in a certain temperature interval including room temperature. Recently, generating composites with ... -
A comparison of the effect of CdCl2 and MgCl2 processing on the transport properties of n-CdS/p-CdTe solar cells and a simple approach to determine their back contact barrier height
(Pergamon-Elsevier Science Ltd, 2016)A simple approach, which can estimate the barrier height of non-Ohmic back contacts for CdS/CdTe solar cell by using its temperature dependent forward biased current-voltage data, is explained. The method involves modelling ... -
A comparison of the magnetism of cobalt-, manganese-, and nickel-ferrite nanoparticles
(Iop Publishing Ltd, 2018)The microstructure, composition and magnetism of CoFe2O4, MnFe2O4 and NiFe2O4 nanoparticles of comparable sizes (similar to 20 nm) and interparticle spacings (similar to 20 nm) have been characterized from 10 to 400 K. The ... -
Conduction Mechanism of an Infrared Emitting Diode: Impedance Spectroscopy and Current-Voltage Analysis
(Maik Nauka/Interperiodica/Springer, 2012)The bias dependent complex impedance spectra of a conventional GaAs based infrared emitting diode have been studied in the temperature range 150-300 K. It is found that for bias voltages lower than 0.7 V, the device behaves ... -
Corrected infrared Sellmeier coefficients for gallium selenide
(Amer Inst Physics, 2005)We have measured the room-temperature refractive indices of GaSe throughout the 0.7-1.4 and 2.4-5 mu m ranges using the minimum-deviation method of light through a prism with polarization either parallel (extraordinary ... -
Crystal Structure and Luminescence Properties of a New Two-Dimensional Gd(III) Complex
(Springer/Plenum Publishers, 2018)Gd(III) ions display fascinating luminescence properties. Therefore, a new two dimensional polymeric Gd(III) complex, {[Gd(2-stp)center dot 3(H2O)]center dot(H2O)}(n), [2-stp = 2-sulfoterephthalate] has been synthesized ... -
Crystal structure and photoluminescence properties of a new Cd-II coordination polymer catena-poly[bis[4-bromo-2-({[2-(pyrrolidin-1-yl)ethyl]imino}methyl)phenolato-kappa N-3,N ',O]di-mu(3)-chlorido-di-mu(2)-chlorido-bis(methanol-kappa O)tricadmium(II)]
(Int Union Crystallography, 2016)Schiff base-metal complexes have been used widely as catalysts for many organic reactions, such as ring-opening polymerization and oxidation. In view of the importance of Cd-II coordination polymers and in an effort to ... -
Crystal structure and photoluminescence properties of a new monomeric copper(II) complex: bis(3-{[(3-hydroxypropyl) imino] methyl}-4-nitro-phenolato-kappa O-3, N, O ') copper(II)
(Int Union Crystallography, 2017)Copper(II)-Schiff base complexes have attracted extensive interest due to their structural, electronic, magnetic and luminescence properties. The title novel monomeric Cu II complex, [Cu(C10H11N2O4)(2)], has been synthesized ... -
The current polarization rectification of the integer quantized Hall effect
(Elsevier Science Bv, 2010)We report on our theoretical investigation considering the widths of quantized Hall plateaus (QHPs) depending on the density asymmetry induced by the large current within the out-of-linear response regime. We solve the ... -
Current-direction-induced rectification effect on (integer) quantized Hall plateaus
(Edp Sciences S A, 2009)Current distribution across narrow Hall bars in out of linear response regime is studied within a self-consistent Hartree-type mean-field approximation for samples which are equally and unequally depleted laterally. The ... -
Cyan-Blue Luminescence and Antiferromagnetic Coupling of CN-Bridged Tetranuclear Complex Based on Manganese(III) Schiff Base and Hexacyanoferrate(III)
(Springer/Plenum Publishers, 2018)A new tetranuclear cyanide-bridged Mn-III-Fe-III complex based on manganese(III) Schiff base and hexacyanoferrate(III) units, [Mn(L)(MeOH)(2)][{Mn(L)}{Fe(CN)(6)}{Mn(L)(MeOH)}]center dot 2MeOH, [H2L=N,N'-bis(2-hydroxy-1-n ... -
Cyanide-bridged trinuclear Mn-III-Fe-III assembly: Crystal structure, magnetic and photoluminescence behavior
(Elsevier Science Sa, 2016)A trinuclear cyanide-bridged Mn-III-Fe-III compound, [NEt4][Mn(3,5-ClL)(2)(MeOH)](2)Fe(CN)(6)], [3,5-ClLH2 = N, N'-bis(3,5-chlorosalicylidenato)-1,2-diamino propane)], 1, has been characterized by X-ray analyses, magnetic ... -
Design, performance, and calibration of CMS forward calorimeter wedges
(Springer, 2008)We report on the test beam results and calibration methods using high energy electrons, pions and muons with the CMS forward calorimeter (HF). The HF calorimeter covers a large pseudorapidity region (3 <= vertical bar eta ... -
Determination of defect distribution in a Ga-rich ZnO/CdS/Cu (In, Ga) $Se_2$ solar cell by admittance spectroscopy
(2005)This article presents a study on the energy distribution of defects in efficient thin film ZnO/CdS/Cu(In,Ga)$Se_2$ heterojunction solar cell by the use of admittance spectroscopy. The capacitance spectra of the device has ... -
A different approach to solar cell simulation
(Pergamon-Elsevier Science Ltd, 2015)Zero barrier height inhomogeneity in the device is generally assumed to conform to Gaussian distribution in the literature. In this study, zero barrier height inhomogeneity has been adopted to obey random distribution. ... -
The double Gaussian distribution of barrier heights in Al/TiO2/p-Si (metal-insulator-semiconductor) structures at low temperatures
(Amer Inst Physics, 2008)The current-voltage (I-V) characteristics of Al/TiO2/p-Si metal-insulator-semiconductor (MIS) structures have been investigated in the temperature range of 80-300 K. An abnormal decrease in the zero bias barrier height ... -
Effect of a Trifluorophenyl-Based Monomer on the Electro-optic Performances of Polymer-Stabilized Blue Phase Liquid Crystals
(Springer, 2020)We synthesized one novel mono-functional acrylate monomer. The effect of the new monomer on blue phase liquid crystal stabilization and electro-optical properties was investigated with different reactive polymer concentration ... -
The effect of aging on the dark conductivity and noise in hydrogenated microcrystalline silicon thin films
(Wiley-V C H Verlag Gmbh, 2010)Aging hydrogenated microcrystalline silicon in air is found to affect both the dark conductivity and the 1/f noise. For a sample with a crystalline volume fraction of 0.39, the conductivity decreased by three orders of ... -
The effect of disorder on integer quantized Hall effect
(Elsevier, 2012)We study the effects of disorder on the integer quantized Hall effect within the screening theory, systematically. The disorder potential is analyzed considering the range of the potential fluctuations. The short-range ... -
Effect of Rashba spin-orbit coupling on the electronic, thermodynamic, magnetic and transport properties of GaAs, InAs and InSb quantum dots with Gaussian confinement
(Elsevier Science Bv, 2016)The effect of Rashba spin orbit interaction on the electronic, thermodynamic, magnetic and transport properties of a one-electron Gaussian quantum dot is investigated in the presence of a magnetic field and its interaction ...
