Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 100-119
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Measurement and comparison of silicon p-i-n-photodiodes with ac impedance at different voltages
(Maik Nauka/Interperiodica/Springer, 2008)The dark alternating current (ac) parameters of commercially available silicon p-i-n-photodiodes are measured and compared at room temperature both in forward and reverse bias using the impedance spectroscopy technique. ... -
Microscopic theory of the activated behavior of the quantized Hall effect
(Elsevier Science Bv, 2010)The thermally activated behavior of the gate defined narrow Hall bars is studied by analyzing the existence of the incompressible strips within a Hartree-type approximation. We perform self-consistent calculations considering ... -
Monitoring the performance of single and triple junction amorphous silicon modules in two building integrated photovoltaic (BIPV) installations
(Elsevier Sci Ltd, 2013)Mugla is located in south west Turkey at 37 degrees 13'N latitude and 28 degrees 36'E longitude with yearly sum of horizontal global irradiation exceeding 1700 kWh per square meter. Mugla has a Mediterranean Climate which ... -
Morphologic Properties, Texture Transformations and Optical Refracting Properties: Aqueous Bicomponent Amphiphilic Lyotropic Systems
(Carl Hanser Verlag, 2018)The mesomorphic, morphologic and optical refracting properties of the bicomponent amphiphilic lyotropic systems have been investigated. Five amphiphiles with various concentration combinations as cationic - cationic, anionic ... -
Multiple energy synchrotron biomedical imaging system
(Iop Publishing Ltd, 2016)A multiple energy imaging system that can extract multiple endogenous or induced contrast materials as well as water and bone images would be ideal for imaging of biological subjects. The continuous spectrum available from ... -
Multiple Energy Synchrotron Biomedical Imaging System- Preliminary Results
(Springer Int Publishing Ag, 2015)The drive to improve and expand the amount of information extracted from various imaging modalities has led to the use of multiple (usually two) x-ray photon energies in computed tomography clinical systems. With the use ... -
n -CdS/ p-Cu (In, Ga)Se2 heteroeklem güneş pilinde akım iletim mekanizmasının belirlenmesi
(2001)Bu çalışmada Stuttgart Üniversitesi IPE laboratuarlarında hazırlanan ve emici tabakasını oluşturan materyallerin göreli ağırlık oranları; %22.26 Cu, %19.46 In,"%7.27 Ga ve %51.02 Se olan n-CdS/p-Cu(In,Ga)Se2 heteroeklem ... -
N-Acetylglucoseamine modified alginate sponges as scaffolds for skin tissue engineering
(Tubitak Scientific & Technical Research Council Turkey, 2017)In the treatment of dermal wounds, wound-dressing materials prepared from natural mucopolysaccharides are widely used because of their advantages such as nonirritation, nontoxicity, and ease in topical application. In the ... -
N-salicylidene anilines and their copper complexes: comparative investigations of mesomorphic, morphologic, thermotropic and thermodynamical properties
(Taylor & Francis Ltd, 2006)In this work comparative studies of the mesomorphic and morphologic properties and thermal behaviour of new Schiff base N-salicylidene aniline ligands and the effects of Cu(II) additions on these properties have been carried ... -
The native and metastable defects and their joint density of states in hydrogenated amorphous silicon obtained from the improved dual beam photoconductivity method
(American Institute of Physics Inc., 2023)In this study, undoped hydrogenated amorphous silicon (a-Si:H) thin films deposited under moderate dilution ratios of silane by radio frequency plasma-enhanced chemical vapor deposition (RF-PECVD) have been investigated ... -
New method for computing single diode model parameters of photovoltaic modules
(Pergamon-Elsevier Science Ltd, 2018)The objective of this paper is to calculate the single diode model parameters (A, R-s, R-sh, I-L, and I-0) of photovoltaic modules in most straightforward way no using iterative techniques and an additional information of ... -
A new method to simulate photovoltaic performance of crystalline silicon photovoltaic modules based on datasheet values
(Pergamon-Elsevier Science Ltd, 2017)Determination of photovoltaic performance based on single diode model and various methods requires iterative techniques, additional mandatory information and users with a certain level of knowledge. Further, the most of ... -
A new simulation model for inhomogeneous Au/n-GaN structure
(Pleiades Publishing Inc, 2016)The larger the device area, the more difficult to carry on homogeneity during the fabrication and following treatments. Structural inhomogeneity may indicate themselves in variations in local electronic device parameters. ... -
NOA61 photopolymer as an interface for Al/NOA61/p-Si/Al heterojunction MPS device
(Springer, 2021)The effect of the NOA61 photopolymer organic interlayer on the electrical and dielectric properties of the Al/NOA61/p-Si/Al metal-polymer-semiconductor (MPS) device has been reported the first time. The device parameters ... -
Non-isotropic angular distribution of Yb L alpha(1) and L alpha(2) lines following photoionization by linearly polarized radiation
(Iop Publishing Ltd, 2011)The angular distribution of Yb L alpha(1) and L alpha(2) lines after photoionization by a linearly polarized monochromatic photon beam from synchrotron radiation has been measured. The experiment was performed using a 5 x ... -
Numerical and experimental investigation of a solar absorber extension tube with turbulators for upgrading the performance of a solar dryer
(EMERALD GROUP PUBLISHING LTD, 2022)Purpose During the past several years, research and studies in the field of solar energy have been continuously increased. One of the substantial applications of solar energy is related to industrial utilization for the ... -
Observation of negative photoconductivity in (ZnO)(x)(CdO)(1-x) films
(Pergamon-Elsevier Science Ltd, 2009)In this study, (ZnO)(x)(CdO)(1-x) films were prepared by ultrasonic spray pyrolysis (USP) technique at a substrate temperature of 400 degrees C. X-ray diffraction patterns of the films indicate that the (ZnO)(x)(CdO)(1-x) ... -
Optical properties of selenium sulfide thin film produced via chemical dropping method
(Springer, 2018)This paper describes the production of selenium sulfide (SeS2) crystalline thin film on commercial glass substrates, via chemical bath deposition. Transmittance, absorption, dielectric constant and refractive index of the ... -
Optical refracting properties, birefringence and order parameter in mixtures of liquid crystals: Direct smectic A - Isotropic and reverse isotropic - Smectic A phase transitions
(Elsevier, 2022)Due to the physical anisotropic and self-assembling nature, liquid crystalline materials holdvery important place in theoretical, experimental and applied physics. Besides, liquid crystals are important materials as working ... -
Origins of Reverse Bias Currents in a Typical BPW34 Photodiode
(Scientific Technical Research Council Turkey-Tubitak, 2005)Measurements of the dark reverse current in a typical BPW34 silicon photodiode have been made in the temperature range 100-300 K at various reverse bias voltages ranging from 0 to 60 V. Various transport models have been ...
