Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 336, listelenen: 316-335
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A study on determination of natural radionuclide concentrations in tap water samples collected from the districts of Sinop province, Türkiye
(Erzincan Binali Yıldırım Üniversitesi, Fen Bilimleri Enstitüsü, 2023)Since Turkey's second nuclear power plant is planned to be built in Sinop province, it is very important to determine the background levels of radioactivity in this region. In the present study, activity concentrations of ... -
Surface modification of CBD-grown CdS thin films for hybrid solar cell applications
(Elsevier Gmbh, 2019)The influences of interfacial modification by various dyes (Eosin-Y, D205, N719 and N3) on structural, morphological, optical and electrical properties of CdS-based hybrid solar cells are investigated. Structural properties ... -
Synthesis and fabrication of Mg-doped ZnO-based dye-synthesized solar cells
(Springer, 2014)Undoped and 2, 4 and 6 at.% Mg-doped ZnO nanorods were successfully deposited on ZnO seeded fluorine tin oxide substrates by a simple chemical bath deposition technique to form a photoanode. It was seen that all the samples ... -
Temperature dependent local atomic displacements in NaSn2As2 system
(Iop Publishing Ltd, 2019)NaSn(2)As(2 )is mechanically exfoliable layered van der Waals (vdW) Zintl phase that is getting interesting due to its low thermal conductivity and recently observed superconductivity. Here, we have investigated the ... -
Testere dişi çift bariyer yapısında rezonans tünelleme olayının i̇ncelenmesi
(2017)Elektrik alan öngerilimi altındaki testere dişi çift bariyer yapısında rezonans tünelleme özelliği, sonlu farklar metodu bazlı denge-dışı Green fonksiyonu yöntemiyle incelenmiştir. Elektrik alan altında testere dişi çift ... -
Theoretical inspecting of At-211 radionuclide via Coupled-channel model for fusion reaction of stable nuclei
(Natl Atomic Energy Agency Indonesia, 2021)This work has been carried out to obtain and inspect of At-211 radionuclide through fusion reaction. Cross-sections for fusion reaction have been calculated with different interaction combinations and excitations for F-19 ... -
A theoretical study for temperature dependence of levitation force of high-T-c superconductors
(Elsevier, 2013)The temperature effect on the levitation force of a cylindrical type-II superconductor was investigated theoretically by solving the critical state equation. Analytical expressions are obtained for the levitation force ... -
Thermal conductivity and phase-change properties of boron nitride-lead oxide nanoparticle-doped polymer nanocomposites
(MDPI, 2023)Thermally conductive phase-change materials (PCMs) were produced using the crosslinked Poly (Styrene-block-Ethylene Glycol Di MethylMethacrylate) (PS-PEG DM) copolymer by employing boron nitride (BN)/lead oxide (PbO) ... -
Transparent and conductive CdS:Ca thin films for optoelectronic applications
(Springer Heidelberg, 2020)This paper presents the structural, morphological, optical and electrical evolution of Ca-doped CdS thin films. Non-doped and Ca-doped CdS samples with various amounts of Ca atoms (from 0 to 10 at.% with an increasing step ... -
Trapped magnetic field and levitation force properties of multi-seeded YBCO superconductors with different seed distance
(Elsevier Science Sa, 2020)The performance of large grain (RE)BCO superconducting bulks has the significant potential for magnetic-force based applications such as trapped field magnets and magnetic levitation devices. These materials can trap high ... -
Tritium concentrations and consequent doses in bottled natural and mineral waters sold in Turkey and Azerbaijan
(Elsevier Ltd, 2021)In this study, tritium levels in commercially sold bottled natural and mineral waters in Turkey and Azerbaijan were determined. Tritium measurements were performed using Liquid Scintillation Counter (PerkinElmer TriCarb ... -
Tritium contents in drinking and surface seawaters before the nuclear power plant planned in Sinop (Türkiye) and their radiological risks on human population
(IWA Publishing, 2023)This studyãims to determine the background levels of tritium radioisotope in drinkingãnd seawater samples of Sinop province before the nuclear power plant was established in Sinop. In this context,ã total of 174 water ... -
The tritium, deuterium and oxygen-18 isotope levels determination in various waters in Rize and Trabzon
(Taylor and Francis Inc., 2012)Rize and Trabzon are provinces at north-east site of Turkey, on the eastern Black Sea coast. There has been no information about isotopic ?18O, ?D and tritium determination reported in water samples in the Rize and Trabzon ... -
Use of the cold substrate method for biomaterials: the dtructural and biological properties of the Ag layers deposited on Ti-6Al-4V
(Springer, 2020)Silver nanofilms were vacuum-deposited on Ti-6Al-4V substrates at low (< 300 K) temperatures to improve their biocompatibility. After the surface of the Ti-6Al-4V samples was coated with Ag over the temperature range from ... -
Üçlü ters parabolik kuantum bariyer çift kuyu potansiyelinde enerji seviyeleri ile elektron geçişinin örgü parametreleri ve yoğun lazer alanına bağlılığının incelenmesi
(Marmara Üniversitesi, 2021)Bu çalışmanın amacı, yoğun lazer alanı altında GaAs/AlGaAs lardan oluşan üçlü ters parabolik kuantum bariyer çift kuyu potansiyelinde elektronik iletimi ve enerji seviyelerinin bariyer genişlikleri, lazer alanı giydirme ... -
Vacancy transfer probabilities from K to L shell for low atomic number elements at 5.96 keV
(Polish Academy of Sciences, 2010)Vacancy transfer probabilities from K to L shell were measured using I K?/IK? intensity ratios for six elements in the atomic region 16 ? Z ? 22. The K X-rays from the targets excited by 5.96 keV (1.85 GBq 55Fe filtered ... -
Validation of classical quantitative fundamental parameters method using multivariate calibration procedures for trace element analysis in ED-XRF
(Royal Soc Chemistry, 2014)In this study, the X-ray intensities obtained from 76 soil samples were converted to concentrations by means of the Epsilon software program applying the fundamental parameters method (FP). Various National Institute of ... -
Variation of K X-ray fluorescence cross-sections of Cu, Y and Ba in Y Ba2Cu3O7-δ superconductor
(Elsevier, 2009)K X-ray fluorescence cross-sections of Cu, Y and Ba elements were measured in CuO, Y 2O3, BaCO3 compounds and Y Ba2Cu3O7-? superconductor samples (nonreacted agent, calcined and sintered states). A superconductor sample ... -
Viscous dissipation effects on entropy generation in heated vertical parallel-plate channels for mixed convection
(Inderscience Enterprises Ltd, 2017)In this study, effect of viscous dissipation on entropy generation for fully developed incompressible laminar flow mixed convection in vertical parallel-plate channels with asymmetric and symmetric uniform heat fluxes was ... -
The viscous flux-flow effect on the pinning induced magnetostriction of type-II superconductors
(2007)We have investigated the magnetostriction of type II superconductors under the viscous flux-flow. The critical state approach was employed to obtain the magnetostriction loops versus applied field. The flux profile equations ...
