Başlık için Bildiri Koleksiyonu listeleme
Toplam kayıt 95, listelenen: 9-28
-
Band gap energies of CdO : F semiconductor films produced by ultrasonic spray pyrolysis method
(Amer Inst Physics, 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 ... -
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 ... -
Broadband asymmetric quantum-well infrared photodetector in Long-Wavelength Infrared Range (LWIR)
(2007)A theoretical investigation of a GaAs-AlGaAs infrared detector consisting of three asymmetric quantum wells is presented. Each quantum well is sensitive to yield absorption and a photoresponse at peak wavelengths of 8 µm, ... -
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. ... -
Calculation of two neutrino double beta decay nuclear matrix elements for 128,130Te
(2006)Based on Pyatov-Salamov method, spin-isospin (Gamow-Teller) effective interaction strength parameter has been found self-consistently. Then, the problem has been solved within the framework of QRPA. Gamow-Teller matrix ... -
Calculation of two neutrino double beta decay nuclear matrix elements for Te-128,Te-130
(Amer Inst Physics, 2006)Based on Pyatov-Salamov method, spin-isospin (Gamow-Teller) effective interaction strength parameter has been found self-consistently. Then, the problem has been solved within the framework of QRPA. Gamow-Teller matrix ... -
Carbon synthesis in methane plasma
(Natl Inst Optoelectronics, 2007)In this paper, we report a new method to generate amorphous carbon. The growth of amorphous carbons was performed at atmospheric pressure using a high voltage pulsed power supply (20 kV and 25 kHz) under the methane flux. ... -
Characterization of a multilayer GaAs/AlGaAs broadband quantum well infrared photodetectors
(2010)In this study, we report on the investigation of two multilayer GaAs/AlGaAs quantum well infrared photodetectors designed for 8-12 µm spectral range detection. Fabricated devices were characterized by current-voltage and ... -
Characterization of NiO films deposited by homemade spin coater
(Pergamon-Elsevier Science LTD, 2016)NiO films were fabricated by sol gel spin coating technique. The deposited films annealed in air, oxygen, nitrogen and argon atmospheres. The influence of the annealing atmospheres on the structural, morphological, optical ... -
Determination of Adsorption and Kinetic Parameters for Synthesis of Isobutyl Acetate Catalyzed by Amberlite IR-122
(Taylor & Francis Inc, 2009)In the present study, the kinetics of esterification of acetic acid with isobutanol was studied by using Amberlite IR-122 as an acid catalyst. Experiments were carried out in a stirred batch reactor in dioxane at different ... -
Determination of dislocation densities in InN
(Wiley-V C H Verlag GMBH, 2012)The magneto-transport measurements, carried out at magnetic fields up to 11 T and in the temperature range between 1.8 K and 300 K, are used to investigate the scattering mechanisms in GaN/InN/AlN double heterojunctions. ... -
Determination of Oxalate Ion in Bayer Liquor Using Electrochemical Method
(John Wiley & Sons, 2011)bauxite with caustic liquor and the subsequent precipitation of hydrated alumina [1]. Most bauxite contains organic compounds in various amounts. Depending upon the digestion conditions, 5-10% of the organic carbon is ... -
Determination of the in-plane effective mass and quantum lifetime of 2D electrons in AlGaN/GaN based HEMTs
(Wiley-V C H Verlag GMBH, 2011)Magnetoresistance and Hall resistance measurements have been used to investigate the electronic transport properties of AlGaN/GaN based HEMTs. The Shubnikov-de Haas (SdH) oscillations from magnetoresistance, is obtained ... -
Development of Remote Controlled Mobile Robot for Planet Research Simulation Laboratory
(IEEE, 2017)In this study, a remote controlled mobile robot is developed for the educational studies at the Planet Researches Simulation Laboratory in the Anadolu University Yunusemre Gozlemevi. The main objective of the study is to ... -
Dielectric Properties of Isotactic Polypropylene and Montmorillonite Nanocomposites
(IEEE, 2010)Polymer nanocomposites typically consist of inorganic particles dispersed in a polymer matrix. Layered-silicate-based polymer nanocomposites have great potential as low-cost, highperformance materials with various engineering ... -
Dielectric properties of some cationic forms of laponite clay
(Trans Tech Publications LTD, 2004)Laponite is synthetic smectite clay. It resembles the natural clay mineral hectorite. They have same structure and composition. Laponite is layered hydrous magnesium silicate, which is hydrothermally synthesized from simple ... -
Dielectric, structural and spectroscopic properties of mg-doped CaCu3ti4o12 ceramics by the solid-state reaction method
(American Ceramic Society, 2017)Since the discovery of the gigantic dielectric constant in the CCTO supercapacitor in 2000, development of its practical application for energy storage has been of great interest. In this study, the CaCu3Ti4O12 (CCTO) and ... -
DIELECTRIC, STRUCTURAL AND SPECTROSCOPIC PROPERTIES OF Mg-DOPED CaCu3Ti4O12 CERAMICS BY THE SOLID-STATE REACTION METHOD
(John Wiley & Sons Inc, 2017)Since the discovery of the gigantic dielectric constant in the CCTO supercapacitor in 2000, development of its practical application for energy storage has been of great interest. In this study, the CaCuiTi.4012 (CCTO) and ... -
Effect of alpha- and gamma-alumina on the precipitation of positive electrolyte in vanadium redox battery
(Pergamon-Elsevier Science LTD, 2017)In this study, the effect of alpha-alumina (alpha-Al2O3) and gamma-alumina (gamma-Al2O3) on the precipitation of the positive electrolyte, which is one of the most important problems in vanadium redox battery (VRB) systems, ...
