Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 62-81
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Hg and Se Speciation in Liver Tissue of Marine Birds
(Iop Publishing Ltd, 2013)X-ray fluorescence microprobe maps of Hg and Se distribution were made on liver tissue slices from marine birds (Cormorants) from Florida's Everglades. The birds bio-concentrate these toxic pollutants that are ingested ... -
High magnetic entropy change in La0.70Ca0.21Ag0.09MnO3 compound
(Elsevier Science Sa, 2016)In this work, the structural, electrical, magnetic and magneto-caloric properties of the La0.70Ca0.21Ag0.09MnO3 compound were investigated. The compound was prepared by the sol gel method and sintered at 1000 degrees C for ... -
High resolution short focal distance Bent Crystal Laue Analyzer for copper K edge x-ray absorption spectroscopy
(Amer Inst Physics, 2011)We have developed a compact short focal distance Bent Crystal Laue Analyzer (BCLA) for Cu speciation studies of biological systems with specific applications to cancer biology. The system provides high energy resolution ... -
High-diffraction-efficiency Fresnel lens based on annealed blue-phase liquid crystal-polymer composite
(Taylor & Francis Ltd, 2019)We demonstrated a relatively simple and effective method to fabricate a periodically isolated polymer wall of blue-phase liquid crystal Fresnel lens (BPLCFL) by employing a single-masking process of the ultraviolet (UV) ... -
Hydrothermal synthesis, crystal structure and Photoluminescent properties; 3D Holmium(III) coordination polymer
(Elsevier Science Sa, 2016)A new coordination polymer, {[Ho(2-stp)(2)(H2O)(2)]center dot 2(4,4'-bipy)(1/2)center dot 5(H2O)}(n), 1, (2-stp = 2-sulfoterephthalate anion and 4,4'-bipy = 4,4'-bipyridine) has been synthesized by hydrothermal method and ... -
Improved photoluminescence properties of one-dimensional (1D) composite fibers of Ho@PVP and Yb@PVP prepared by electrospinning
(PERGAMON-ELSEVIER SCIENCE LTD, 2023)Two new Holmium3+ and Ytterbium3+ compounds, {Ho(4cba)3(phen)(H2O)} (1) and {Yb(4cba)3(phen)} (2) (4cba = 4-Cyanobenzoic acid, phen = 1,10-Phenanthroline) were synthesized. These compounds were then incorporated into a ... -
Improvement effect of the MoO3 interface layer on the p- Si-based Schottky diode
(Springer, 2021)The aim of this study is to compare the effects of the molybdenum trioxide (MoO3) used as an interface layer in a p-type Si-based metal–semiconductor (MS) junction with and without this layer. For this purpose, Al/p-Si and ... -
Improving the performance of inverted polymer solar cells through modification of compact TiO2 layer by different boronic acid functionalized self-assembled monolayers
(Elsevier Science Bv, 2019)In this study, we demonstrate the use of a series of boronic acid functionalized self-assembled monolayers (SAMs) to improve photovoltaic device performance P3HT and PCBM based solar cells. The SAMs treated compact TiO2 ... -
In vitro biocompatibility of plasma-aided surface-modified 316L stainless steel for intracoronary stents
(Iop Publishing Ltd, 2010)316L-type stainless steel is a raw material mostly used for manufacturing metallic coronary stents. The purpose of this study was to examine the chemical, wettability, cytotoxic and haemocompatibility properties of 316L ... -
Indirect dating of an olive tree planting event using luminescence of the sediments lying beneath the roots of the tree: a pilot study in the south-western part of Anatolia, Turkey
(John Wiley and Sons Ltd, 2020)The aim of the present study is to attempt assessing the age of a monumental olive tree located between the Antique Cities of Militus (Didim-Aydın region) and Iasos (Milas-Muğla region). Wood from the trunk of an olive ... -
The influence of diluter system on polymer-stabilised blue-phase liquid crystals
(Taylor & Francis Ltd, 2018)In the present work, diluter effects on the phase transition temperatures and electro-optical properties of the polymer-stabilised blue-phase liquid crystals with microsecond respond time have been carried out. The temperature ... -
Influence of frequency and bias voltage on dielectric properties and electrical conductivity of Al/TiO2/p-Si/p(+) (MOS) structures
(Iop Publishing Ltd, 2008)In this study, the frequency and voltage dependence of the dielectric constant (epsilon'), dielectric loss (epsilon ''), loss tangent (tan delta), electric modulus (M' and M '') and ac electrical conductivity (sigma(ac)) ... -
Influence of illumination intensity on the electrical properties of Al/NOA65/p-Si/Al heterojunction MPS device
(Springer, 2022)In this work, we report photodiode behavior on metal polymer semiconductor device with photopolymer interfacial layer for the first time. For this purpose, Al/NOA65/p-Si device was fabricated and the electric and dielectric ... -
The influence of series resistance and interface states on intersecting behavior of I-V characteristics of Al/TiO2/p-Si (MIS) structures at low temperatures
(Iop Publishing Ltd, 2008)In this study, we have investigated the intersection behavior of the forward bias current-voltage (I-V) characteristics of the Al/TiO2/p-Si (MIS) structures in the temperature range of 100 300 K. The intersection behavior ... -
Instability effects in hydrogenated microcrystalline silicon thin films
(Wiley-V C H Verlag Gmbh, 2010)Instability effects on the dark conductivity (sigma(Dark)) and photoconductivity (sigma(photo)) of microcrystalline silicon films with different microstructures deposited on smooth and rough substrates, after exposure to ... -
Interaction-mediated asymmetries of the quantized Hall effect
(Epl Association, European Physical Society, 2009)Experimental and theoretical investigations on the integer quantized Hall effect in gate-defined narrow Hall bars are presented. At low electron mobility the classical (high-temperature) Hall resistance line R(H)(B) cuts ... -
Interdependence of absorber composition and recombination mechanism in Cu(In,Ga)(Se,S)(2) heterojunction solar cells
(Amer Inst Physics, 2002)Temperature-dependent current-voltage measurements are used to determine the dominant recombination path in thin-film heterojunction solar cells based on a variety of Cu(In,Ga)(Se,S)(2) alloys. The activation energy of ... -
Interface Effects of Annealing Temperatures in Al/HfO2/p-Si (MIS) Structures
(Gazi Univ, 2017)In this study, Al/HfO2/p-Si (MIS) structures were prepared by using the sol-gel method for three different annealing temperatures. The current-voltage (I-V) and capacitance-voltage (C-V) characteristics of these structures ... -
Investigation of datasheet provided temperature coefficients of photovoltaic modules under various sky profiles at the field by applying a new validation procedure
(Pergamon-Elsevier Science Ltd, 2020)In this study, datasheet provided temperature coefficients of commercially available photovoltaic modules were investigated by taking into account the actual performance parameters (output peak power, short-circuit current ... -
Investigation of heat capacities of proteins by statistical mechanical methods
(Elsevier Science Bv, 2007)In this study additional heat capacity of the proteins in water dissociation have been investigated by statistical mechanical methods. For this purpose, taking electric field E and total dipole moment M as thermodynamical ...