Browsing Bildiri Koleksiyonu by Title
Now showing items 74-93 of 95
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Optical properties of CdxZn((1-x))O films deposited by ultrasonic spray pyrolysis method
(Elsevier Science Sa, 2007)CdxZn(1-x)O (x=0, 0.59, 0.78 and 1) films have been produced by ultrasonic spray pyrolysis technique using aqueous solutions of CdCl2 H2O and ZnCl2 on the microscope glass substrate between 325 and 400 degrees C. The ... -
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 ... -
Phonon frequency variations in high quality InAs1-xSbx epilayers grown on GaAs
(Elsevier Science BV, 2014)Undoped InAs1-xSbx epilayers with different compositions (0.55 <= x <= 0.78) were grown by molecular beam epitaxy on semi-insulating GaAs (1 0 0) substrates. The quality of the samples was determined by high resolution ... -
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 ... -
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 ... -
Power-loss mechanisms in surface passivated AlGaN/AlN/GaN heterojunctions
(Institute of Electrical and Electronics Engineers Inc., 2016)The surface passivation effect on the power-loss mechanisms in AlGaN/AlN/GaN heterostructures was investigated. The electron temperatures of hot electrons was obtained from the temperature and the applied electric field ... -
Preparation of HDTMA-bentonite: Characterization studies and its adsorption behavior toward dibenzofuran
(Wiley, 2010)Bentonite is one of the most commonly used raw materials in the water treatment processes because of its low cost, easily availability and high mechanical and chemical stability. In this study, natural bentonite was modified ... -
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 ... -
Semiconductor shallow impurity level transitions for terahertz generation and detection
(Optical Society of America (OSA), 2014)[No abstract available] -
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. ... -
Some physical properties of Cd1-xSnxS films used as window layer in heterojunction solar cells
(Pergamon-Elsevier Science LTD, 2009)CdS has been proved to be an ideal material for use as the window layer for heterojunction solar cells especially with n-CdS/p-CdTe. CdS, Cd0.9Sn0.1S and Cd0.8Sn0.2S films were deposited onto glass substrates at 300 degrees ... -
Some structural properties of CdO : F films produced by ultrasonic spray pyrolysis method
(Elsevier Science Sa, 2007)The fluorine doped cadmium oxide (CdO:F) samples have been deposited at 250 degrees C by ultrasonic spray pyrolysis method. Cadmiumacetatdihydrat and ammonium fluoride have been taken as a source of cadmium and fluorine-dopant ... -
STRUCTURAL AND 'DIELECTRIC PROPERTIES OF (1-x) Li2TiO3 xMgO CERAMICS PREPARED BY THE SOLID STATE REACTION METHOD
(John Wiley & Sons Inc, 2017)In this study, (1-x) Li2TiO3 + xMgO (x= 0, 0.1, o.3, and 0.5) ceramic samples were prepared by the solid-state reaction method and characterized using X-ray diffraction spectra and Raman Spectroscopy. The samples sintered ... -
Structural and dielectric properties of (1-x) Li2TiO3 + xmgo ceramics prepared by the solid state reaction method
(American Ceramic Society, 2017)In this study, (1- x) Li2TiO3 + xMgO (x= 0, 0.1, 0.3, and 0.5) ceramic samples were prepared by the solid-state reaction method and characterized using X-ray diffraction spectra and Raman Spectroscopy. The samples sintered ... -
Structural and Electrical Properties of Specular Spin Valve with CuOx Spacer.
(Int Union Crystallography, 2009)… -
Structural and optical properties of Al2O3 with Si and Ge nanocrystals
(2007)Si and Ge nanocrystals were formed in Al2O3 matrix by ion implantation and subsequent annealing. The phase separation of the Si nanocrystals was observed using X-ray photoelectron spectroscopy by monitoring Si 2p electrons. ... -
Studies on solvatochromic behavior of some monoazo derivatives using electronic absorption spectra
(Pergamon-Elsevier Science LTD, 2009)The electronic absorption spectra of 2',4'-dihydroxy-2-methoxyazobenzene and 4,2',4'-trihydroxyazobenzene molecules have been investigated in solvents with different polarities. The solvent dependent UV-vis spectral shifts, ... -
Superconductivity in MBE grown InN
(Wiley-V C H Verlag GMBH, 2011)We present the experimental investigation of superconductivity in unintentionally doped MBE grown InN samples with various InN film thicknesses. A significant change in resistivity was observed at 3.82K, for an 1080 nm InN ... -
Theoretical investigation of the derivatives of favipiravir (T-705) as potential drugs for Ebola virus
(Walter De Gruyter GMBH, 2019)Density functional theory (DFT) method was used to compute the structural and vibrational parameters of favipiravir (T-705) in the gas phase. The functional used was B3LYP in conjuction with the 6-311++G(d,p) basis set. ... -
Thermal, Optical Properties and Structural Investigation of Tm3+ doped TeO2-ZnO-TiO2 Glass System
(E D P Sciences, 2010)Tellurite based infrared glasses in the Tm3+ doped TeO2-ZnO-TiO2 system were prepared and its optical properties and crystallization kinetics investigated by using UV-VIS-NIR spectrophometer and differential thermal analysis ...