Yayın tarihi için Bildiri Koleksiyonu listeleme
Toplam kayıt 95, listelenen: 21-40
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Performance study of SQW GaInNAs fabry-perot lasers
(Wiley-V C H Verlag GMBH, 2007)The work presented here is concerned with studies of the operational characteristics of single-quantum-well GaInNAs/GaAs Fabry-Perot lasers, where identical layer structures with differing cavity lengths are evaluated both ... -
Electrical and optical properties of undoped and In-doped ZnO thin films
(Wiley-V C H Verlag GMBH, 2007)Transparent conducting undoped and indium-doped zinc oxide (ZnO) thin films have been deposited by the spray pyrolysis method at 350 degrees C substrate temperature. X-ray diffraction spectra of the films have shown that ... -
Broadband staircase quantum well infrared photodetector: working in long wavelength infrared range (LWIR)
(Wiley-V C H Verlag GMBH, 2007)We present a theoretical investigation of a staircase-like quantum well infrared photodetector (QWIP). it detects wavelength between 7.6 mu m and 13.5 mu m range at an applied electric field of F = 1.9x10(4) V/cm at 77 K. ... -
Electrical properties of ZnO/Au/ZnS/Au films deposited by ultrasonic spray pyrolysis
(Elsevier Science Sa, 2007)Polycrystalline ZnS semiconducting films have been prepared by ultrasonic spray pyrolysis technique in the form of planar and sandwich configurations using amorphous and ZnO coated glass substrates. Deposition of ZnS films ... -
Self-consistent calculations of isospin admixtures in the ground states of the N = Z nuclei in the mass region of 50-100
(Elsevier Science BV, 2007)In the present study, based on spherical shell-model wave functions and energies with the pairing and the residual Fermi interaction treated in pn QRPA, the isospin admixture probabilities in the ground state of N = Z ... -
Investigation of carbon produced by methane pulsed discharge
(Wiley-V C H Verlag GMBH, 2007)Pulsed discharges of methane gas at atmospheric pressure were generated using high voltage power supply (20 kV-25 kHz) to produce the carbon. The pulsed discharge of methane gas was generated between two sharp wolfram ... -
Band gap energies of CdO:F semiconductor films produced by ultrasonic spray pyrolysis method
(2007)The fluorine doped cadmium oxide (CdO:F) samples have been deposited by ultrasonic spray pyrolysis method (USP). The absorption spectra of the samples showed that CdO:F is a direct band gap material. The direct optical ... -
The Isospin Admixture of The Ground State and The Properties of The Isobar Analog Resonances In Deformed Nuclei
(Amer Inst Physics, 2008)Within quasiparticle random phase approximation (QRPA). Pyatov-Salamov method for the self-consistent determination of the isovector effective interaction strength parameter, restoring a broken isotopic symmetry for the ... -
Photochemistry of six- and five-membered-ring alpha,beta-unsaturated lactones in cryogenic matrices
(Wiley, 2008)The photochemistry of representative six and five-membered alpha,beta-unsaturated lactones [alpha-pyrone and some of its derivatives, including coumarin and 3-acetamidocoumarin, 2(SH)-furanone] isolated in cryogenic inert ... -
Adsorption kinetics of naphthalene onto organo-sepiolite from aqueous solutions
(Elsevier Science BV, 2008)In this study, the adsorption kinetics of naphthalene onto organically modified-sepiolite was investigated by means of the effects of pH, contact time, adsorbent dosage and temperature. The modification of natural sepiolite ... -
The isospin admixture of the ground state and the properties of the isobar analog resonances in deformed nuclei
(American Institute of Physics Inc., 2008)Within quasiparticle random phase approximation (QRPA), Pyatov-Salamov method for the self-consistent determination of the isovector effective interaction strength parameter, restoring a broken isotopic symmetry for the ... -
Adsorption characteristics of lead(II) ions onto the clay/poly(methoxyethyl)acrylamide (PMEA) composite from aqueous solutions
(Elsevier Science BV, 2008)The presence of heavy metals in the aquatic environment has been a big deal to scientists due to their increased discharge, toxic nature, and other adverse effects on receiving waters. Even a very low concentration of lead ... -
The effects of Al doping on the optical constants of ZnO thin films prepared by spray pyrolysis method
(Springer, 2008)Aluminum doped ZnO (AZO) thin films doped with different aluminum concentrations have been prepared by spray pyrolysis method onto glass substrates. The optical and structural properties of the films have been investigated ... -
Effect of Sn Dopant on the Crystalline Structure of Sol-Gel Coated ZnO Film.
(Int Union Crystallography, 2009)… -
Structural and Electrical Properties of Specular Spin Valve with CuOx Spacer.
(Int Union Crystallography, 2009)… -
Solvatochromic effect studies on the absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2-((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules
(Pergamon-Elsevier Science LTD, 2009)The electronic absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules in the nine different solvent variable electronic characters have been recorded. ... -
Influence of dopant concentration on the optical properties of ZnO: In films by sol-gel method
(Elsevier Science Sa, 2009)Undoped and in doped ZnO films have been deposited by sol-gel spin coating method. The effect of indium, incorporation on structural and optical properties of ZnO films has been investigated. X-ray diffraction patterns of ... -
Molecular structure, NMR analyses, density functional theory and ab initio Hartree-Fock calculations of 3-phenylpropylamine
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2009)H-1, C-13, DEPT, COSY, NOESY and HETCOR NMR spectra of 3-phenylpropylamine (3-PPA) have been reported in chloroform-d, dichloromethane-d, methanol-d, dimethylsulfoxide-d and acetone-d. Solvent effects on nuclear magnetic ... -
XRD Study of Indium Oxide Film Deposited by Sol-Gel Spin Coating.
(Int Union Crystallography, 2009)… -
Photovoltaic solar cell properties of CdxZn1-xO films prepared by sol-gel method
(Pergamon-Elsevier Science LTD, 2009)CdxZn1-xO films have been deposited by sol-gel spin-coating method onto glass substrates. The Cd/Zn ratio in solution was changed from 0 to 1. Zinc acetate dehydrates, cadmium acetate dehydrates, 2-methoxyethanol and ...