Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 336, listelenen: 183-202
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Improved optical transparency of calcium-doped ZnO thin films
(Natl Inst Optoelectronics, 2019)ZnO thin films with various Ca-doping contents were produced by spray pyrolysis. X-ray diffraction results showed that all samples had a hexagonal structure. Morphological analysis indicated that all films had granular ... -
Improved performance of CdS powder-based hybrid solar cells through surface modification
(Gümüşhane Üniversitesi, 2021)The effects of surface modification of CdS through organic Eosin-Y, indoline D205, and Ru-based complex N719 and N3 dyes on CdS-based hybrid solar cells were studied. Chemical bath deposition (CBD) and doctor blade methods ... -
Improvement in levitation force performance of bulk MgB2 superconductors through coronene powder adding
(Elsevier Science Sa, 2017)The effect of coronene (C24H12) addition on the levitation force properties of MgB2 superconductor has been investigated for the first time in this study. the polycrystalline disk-shaped MgB2 + y wt % C24H12 samples (y = ... -
Improvement of superconducting properties of MgB2 by changing the argon ambient pressure and sintering conditions
(Institute of Physics Publishing, 2009)We have investigated various characteristic properties depending on sintering conditions of MgB2 samples prepared by the standard solid state reaction method. It is inferred from experimental results that the crystallinity ... -
Improving photovoltaic characteristics of CdS-based hybrid solar cells through Mn incorporation
(Elsevier, 2024)CdS thin films, both with and without Mn-doping, were grown via chemical bath deposition on indium tin oxide-coated glass substrates for application in hybrid solar cells. X-ray diffraction analysis revealed that Mn doping ... -
Improving solar cell efficiency through controlled annealing effects of TiO2 thin films
(Wiley, 2024)In the scope of this research, the impact of thermal annealing on the electrical and optical characteristics of TiO2 thin films is investigated through empirical analysis. Varied annealing temperatures are applied during ... -
Improving the stability of solar cells using metal-organic frameworks
(Royal Soc Chemistry, 2016)Although Cu2S-containing chalcogenide solar cells are appealing and cost-effective for photovoltaics (PVs), these materials suffer from rapid performance degradation as a result of the diffusion of copper ions into the CdS ... -
Indoor and outdoor gamma dose measurements for specific counties of Trabzon-Turkey
(AIP Publishing, 2010)In this study, it was determined environmental gamma radiation dose rate for some counties of Trabzon-Turkey. A detailed ambient gamma dose measurement has been performed in the seven counties of Trabzon, using a portable ... -
Indoor and outdoor radon measurements at lung cancer patients' homes in the dwellings of Rize Province in Turkey
(Springer, 2018)In this study, indoor and outdoor radon (Rn-222) surveys were carried out in the summer and winter seasons in homes of one hundred lung cancer patients in the year 2013-2014. the aim was to investigate the relationship ... -
Influence of annealing temperature on the microstructure and mechanical properties of MgB2
(Institute of Physics Publishing, 2009)We have investigated the effect of annealing temperature on the microstructure, magnetic and mechanical properties of MgB2 superconducting samples employing X-ray diffraction (XRD), scanning electron microscopy (SEM), ac ... -
Influence of copper composition and reaction temperature on the properties of CZTSe thin films
(Elsevier Science Sa, 2016)In this study Cu2ZnSnSe4 (CZTSe) compound layers were grown using a two-stage technique that involved deposition of metallic precursors (Cu, Zn, and Sn) and Se in the first stage, followed by reaction of all the species ... -
Influence of deposition pressure of elemental Sn on structural, optical, electrical and schottky diode properties of SnS thin films grown by two-stage method
(Springer, 2023)In the present study, SnS thin films were grown by two-stage method including sputtering deposition of elemental Sn films at various deposition pressures (6, 9, 12 ,15 and 18 mTorr) followed by sulfurization process carried ... -
Influence of pre-annealing Cu-Sn on the structural properties of CZTSe thin films grown by a two-stage process
(Elsevier Sci Ltd, 2018)In this study CZTSe thin film were synthesized by a two-stage process that included sequential sputter deposition of Cu and Sn layers forming a Cu/Sn structure, pre-annealing the Cu/Sn structure at 200-380 degrees C for ... -
The influence of substrate temperature on electrical properties of Cu/CdS/SnO2 Schottky diode
(Elsevier, 2011)Polycrystalline CdS samples on the SnO2 coated glass substrate were obtained by vacuum evaporation method at low substrate temperatures (T S=200 and 300 K) instead of the commonly used vacuum evaporation at high substrate ... -
The influence of substrate temperature on the morphology, optical and electrical properties of thermal-evaporated ZnTe Thin Films
(Elsevier, 2009)The structural, morphological, optical and electrical properties of ZnTe films deposited by evaporation were investigated as a function of substrate temperature (at -123 and 27 °C) and post-deposition annealing temperature ... -
The influence of vacancy-induced local strain on the transport properties in armchair and zigzag graphene nanoribbons
(Iop Publishing Ltd, 2019)We investigate the transport properties of defected graphene nanoribbons with single C vacancy using non-equilibrium Green's function formalism within the tight-binding model approach. the insights derived from the analysis ... -
Influences of ferromagnetic deflectors between layers of superconducting power transmission cables on transport current losses
(Springer International Publishing, 2014)Alternating-current losses in two-layer power transmission cables constructed by type-II superconducting strips in the presence of ferromagnetic deflectors between the layers are numerically investigated. Each layer comprises ... -
Intersubband transitions in nonpolar ZnO/BeMgZnO quantum wells: effects of physical dimension, concentration and donor level
(Igdir University, 2022)Polar ve semipolar yönlerde büyütülen BeMgZnO bariyer tabakaları üzerindeki ZnO kuyu katmanlarının polarizasyon özellikleri araştırıldı. Gevşemiş ve gerilmiş bariyer katmanların durumları göz önünde bulunduruldu. ... -
Introduction of Co atoms into CdS thin films for improving photovoltaic properties
(Elsevier, 2024)This paper represents a systematic work on the fabrication of chemical bath-grown CdS films with and without Co atoms and their photovoltaic performances in hybrid solar cells. Structural properties showed 1% Co-doping ... -
Investigate of atmospheric arsenic, cadmium, chromium, lead, and mercury levels in moss species found around zilkale, by EDXRF spectrometry
(Amer Inst Physics, 2016)Zilkale is a castle located in Firtma Valley and it is one of the most important historical structures in Camlihemsin district of Rize Province in the Black Sea Region of Turkey. the castle surrounded by very high mountains ...
