Bölüm "Fakülteler, Fen-Edebiyat Fakültesi, Fizik Bölümü" Makale Koleksiyonu için listeleme
Toplam kayıt 97, listelenen: 21-40
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Current-voltage (I-V) characteristics of Au/InGaAs/n-GaAs Schottky barrier diodes
(Natl Inst Optoelectronics, 2012)In this study, the forward and reverse bias current-voltage (I-V) characteristics of Au/InGaAs/n-GaAs Schottky barrier diodes (SBDs) have been investigated at room temperature. InGaAs epilayer was grown on (100) oriented ... -
Density functional theory of cubic zirconia and 6–15 mol% doped yttria-stabilized zirconia: structural and mechanical properties
(2018)Results of ab-initio density-functional theory calculations within the generalized gradient approximation (GGA-PBE) of structural and mechanical properties of cubic zirconia and yttria-stabilized zirconia (YSZ) with yttria ... -
Descriptive statistics and risk assessment for the control of seasonal pollutant effects of Po-210 and Pb-210 in coastal waters (Canakkale, Turkey)
(Springer, 2018)Po-210 is absorbed into the human body by seafood intake. Especially, mollusks and mussels are known to have much higher Po-210 concentration than fish among various other types of seafood and are consumed in large quantities ... -
Distribution of natural radionuclide concentrations in sediment samples in Didim and Izmir Bay (Aegean Sea-Turkey)
(Elsevier Sci Ltd, 2012)Natural and artificial radionuclide pollutants of the marine environment have been recognized as a serious environmental concern. The natural radioactivity activity concentrations of Ra-226, U-238, Th-232 and K-40 were ... -
Does Glp-2 have a protective effect on cerebral ischemia/reperfusion model?
(Tubitak Scientific & Technical Research Council Turkey, 2015)Background/aim: To investigate the neuroprotective effects of glucagon-like peptide 2 (Glp-2), which increases cerebral blood flow, on the hippocampal complex after cerebral ischemia/reperfusion (I/R) injury in rats. ... -
Dose rates and seasonal variations of U-238, Th-232, Ra-226 K-40 and Cs-137 radionuclides in soils along Thrace, Turkey
(Springer, 2014)Concentrations of U-238, Th-232, Ra-226, K-40 and Cs-137 are measured in collected soil samples from various locations in the Thrace region of Turkey. The activity concentrations range from 12.82 to 101.75 Bq kg(-1) d.w. ... -
The effect of molar ratio on the photo-generated charge activity of ZnO-CdO composites
(Springer Heidelberg, 2020)The molar ratio of ZnO-CdO has an important effect on the photo-induced charge activities of the composite/n-Si structures. Thus, the relationship between the molar ratio of ZnO-CdO and the photo-induced charge generation ... -
Effects of high-temperature AIN buffer on the microstructure of AlGaN/GaN HEMTs
(Pleiades Publishing Inc, 2013)Effects on AlGaN/GaN high-electron-mobility transistor structure of a high-temperature AlN buffer on sapphire substrate have been studied by high-resolution x-ray diffraction and atomic force microscopy techniques. The ... -
Electrical characteristics of Au/n-GaAs structures with thin and thick SiO2 dielectric layer
(Pleiades Publishing Inc, 2011)The aim of this study, to explain effects of the SiO2 insulator layer thickness on the electrical properties of Au/n-GaAs Shottky barrier diodes (SBDs). Thin (60 ) and thick (250 ) SiO2 insulator layers were deposited on ... -
Electrical characterization of solar sensitive zinc oxide doped-amorphous carbon photodiode
(Elsevier Gmbh, 2019)A new solar-sensitive zinc oxide doped-amorphous carbon diode was fabricated using the electrochemical deposition technique. The current-voltage characteristics of the fabricated Al/ZnO-a:C/p-Si/Al diode were investigated ... -
Embedding of atoms into the nanopore sites of the C6N6 and C6N8 porous carbon nitride monolayers with tunable electronic properties
(Royal Soc Chemistry, 2020)Using first-principles calculations, we study the effect of embedding various atoms into the nanopore sites of both C6N6 and C6N8 monolayers. Our results indicate that the embedded atoms significantly affect the electronic ... -
Evaluation of electronic transport and optical response of two-dimensional Fe-doped TiO2 thin films for photodetector applications
(Elsevier Gmbh, 2020)We have carried out the structural, electronic and optical properties of Iron (Fe)-doped TiO2 thin films by sol-gel technique. The results reveal that the thin films form in a granular structure where particle-like grains ... -
Facile preparation of commercial Bi2O3 nanoparticle decorated activated carbon for pseudocapacitive supercapacitor applications
(Springer, 2021)In this work, a facile method to prepare Bi2O3 decorated activated carbon (Bi2O3@AC) composites with high pseudocapacitive properties was presented. The inorganic-organic composites synthesized using commercial Bi2O3 and ... -
Fe3O4 nanoparticle decorated novel magnetic metal oxide microcomposites for the catalytic degradation of 4-nitrophenol for wastewater cleaning applications
(Springer, 2021)Co3O4, NiO and ZnO microparticles were decorated with Fe3O4 nanoparticles where novel Co3O4@Fe3O4, NiO@Fe3O4 and ZnO@Fe3O4 microcomposites were obtained with significant magnetic properties. Decorating microparticles with ... -
First - principles calculations on stability and mechanical properties of various ABO(3) and their alloys
(Elsevier Science Sa, 2018)In this study, we perform first principle calculations based on density functional theory (DFT) to obtain the ground state structural, elastic and dielectric properties of various ABO(3) type ceramics and their {A(x)A'((1-x))}BO3 ... -
First-principles investigation of electronic, mechanical and thermoelectric properties of graphene-like XBi (X = Si, Ge, Sn) monolayers
(Royal Soc Chemistry, 2021)Research progress on single layer group III monochalcogenides has been increasing rapidly owing to their interesting physics. Herein, we investigate the dynamically stable single layer forms of XBi (X = Ge, Si or Sn) using ... -
A GLIMPS TO THE MODERN OPTICIANRY TECHNIQUES
(Kırklareli Üniversitesi, 2021)Millions of people are suffering from eye refractive errors such as myopia, hypermetropia, astigmatism, presbyopia, etc. Every day, modern opticianry techniques were used to diagnose and treat the patients. And they find ... -
Graphene Oxide/Poly(3-hexylthiophene) Nanocomposite Thin-Film Phototransistor for Logic Circuit Applications
(Springer, 2018)Graphene is a sheet-structured material that lacks a forbidden band, being a good candidate for use in radiofrequency applications. We have elaborated graphene-oxide-doped poly(3-hexylthiophene) nanocomposite to increase ... -
The influence of thickness and ammonia flow rate on the properties of AlN layers
(Elsevier Sci Ltd, 2012)Undoped AlN layers have been grown on c-plane sapphire substrates by metal-organic chemical vapor deposition in order to study the effects of ammonia (NH3) flow rate and layer thickness on the structural quality and surface ... -
INFRARED DETECTING BEHAVIOURS OF Cu2NiSnS4 PHOTODIODES
(Kırklareli Üniversitesi, 2020)A photodetector in Al/p-Si/Cu2NiSnS4/Al form was produced using sol-gel method. Scanning electron microscopy (SEM) was used in the structural assessment of the photodetectors. Microscopic investigations showed that Cu2NiSnS4 ...