Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 336, listelenen: 257-276
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OPSimTool: A custom tool for optical photon simulation in Geant4
(Elsevier, 2023)This paper introduces OPSimTool, a set of additions to the Geant4 toolkit that simplify the development of optical photon applications and enhance the flexibility and maintainability of developed applications. The tool ... -
Optical and electrical optimization of dysprosium-doped CdS thin films
(Springer, 2018)As-grown and Dy-doped CdS thin films containing concentrations of 1, 2, 3, 4 and 5 at.% Dy atom were prepared via chemical spray route on glass substrates. the constructed thin films were searched through analyzing their ... -
An overview of the ecological half-life of the Cs-137 radioisotope and a determination of radioactivity levels in sediment samples after Chernobyl in the Eastern Black Sea, Turkey
(Elsevier Science Bv, 2018)A study which determined the activity concentration of Cs-137 in sediments contaminated by effluents from the Chernobyl accident which had collected along the coast of the Eastern Black Sea region in Turkey was carried out ... -
Performance assessment of oxygenated CdS films-based photodetector
(Elsevier, 2024)dS films were grown by thermal evaporation on glass substrates. After growth process, samples were oxygenated at 400 °C at various gas pressures for 5 mins employing rapid thermal process. The produced CdS films were used ... -
Performance of Si-based solar cell utilizing optimized Al-doped ZnO films as TCO layer
(Springer, 2023)luminum-doped zinc oxide (AZO) is one of the most popular transparent conducting oxide layers that can be employed in many optoelectronic applications in particular in photovoltaic devices due to being a low-cost and ... -
Phase transformation in Cu2SnS3 (CTS) thin films through pre-treatment in sulfur atmosphere
(Springer, 2021)In this study, Cu2SnS3 (CTS) thin films prepared by a two-step sulfurization process were characterized. Cu and Sn metallic layers were first deposited on glass substrates by sputtering and then annealed in-situ while in ... -
Photodetector properties of CdSe thin films grown by close space sublimation method
(Springer, 2023)In the present study, CdSe thin films were grown by Close Space Sublimation (CSS) method on glass substrates at elevated temperatures. The prepared films were analyzed through several characterization techniques such as ... -
Physical properties of CdS:Ga thin films synthesized by spray pyrolysis technique
(Springer, 2017)This paper reports the investigation of physical properties of CdS:Ga thin films grown for the first time by a simple spray pyrolysis method as a function of Ga-doping level from 0 to 8 at.%. X-ray diffraction (XRD), ... -
Polarization effects on intersubband absorption in GaN/ZnGeN2 quantum wells
(Igdir University, 2021)The effects of spontaneous and piezoelectric polarizations on the intersubband absorption in the GaN/ZnGeN2 quantum well are studied. Schrödinger and Poisson equations are solved self-consistently. The first order linear ... -
The polarization of X-rays and magnetic photoionization cross-sections for L3 sub-shell
(Elsevier, 2009)The alignment of atoms with inner-shell vacancies resulting from ionization by photons was investigated by measuring the anisotropic emission of L shell X-ray lines. The X-ray line intensities were measured using an Si(Li) ... -
Polarized-beam high-energy EDXRF in geological samples
(0-Belirlenecek, 2013)Certified reference materials (NIST 1645, BCR 143, IAEA 7, BCR 141, NIES-CRM-02, and IAEA 375) were used for determining the performance of a secondary target energy-dispersive X-ray fluorescence (EDXRF) spectrometer, ... -
Precision and accuracy of ST-EDXRF performance for As determination comparing with ICP-MS and evaluation of As deviation in the soil media
(Pergamon-Elsevier Science Ltd, 2014)The present study was conducted to (i) determine the precision and accuracy of arsenic measurement in soil samples using ST-EDXRF by comparison with the results of ICP-MS analyses and (ii) identify the relationship of As ... -
Preparation and characterization of new window material CdS thin films at low substrate temperature (<300 K) with vacuum deposition
(Elsevier, 2011)Low-temperature vacuum deposition instead of the commonly used vacuum deposition at high substrate temperatures has been applied to prepare new window material CdS thin films. The structural, optical and electrical properties ... -
Processing CdS- and CdSe-containing window layers for CdTe solar cells
(Elsevier, 2021)The influence of heat treatment steps on the characteristics of (CdS, CdSe) junction partners and on solar cell performance was studied. CdS films were obtained by chemical bath deposition, and CdSe layers were evaporated. ... -
Quantum emitter interacting with graphene coating in the strong-coupling regime
(Amer Physical Soc, 2020)We demonstrate the strong coupling of a quantum dot and a graphene spherical shell coating it. Our simulations are based on solutions of three-dimensional Maxwell equations, using a boundary element method approach. ... -
Radiation shielding properties of mortars with minerals and ores additives
(Elsevier Sci Ltd, 2019)Incorporation of mineral and ores as fine aggregate additives was investigated for its effect on the neutron and gamma-ray shielding properties of cement mortar. Five mortar mixtures have been prepared with different ... -
The radiation shielding properties of the low temperature alloys
(Afyon Kocatepe University, 2021)Solder alloys are significant for many applications. In addition to the physical electrical and magnetic properties of solders, it is of great importance to determine the shielding properties of the materials in order ... -
Radiation shielding tests of crosslinked polystyrene-b-polyethyleneglycol block copolymers blended with nanostructured selenium dioxide and boron nitride particles
(MDPI, 2022)In this work, gamma-ray shielding features of crosslinked polystyrene-b-polyethyleneglycol block copolymers (PS-b-PEG) blended with nanostructured selenium dioxide (SeO2) and boron nitride (BN) particles were studied. This ... -
Radioactivity and heavy metal concentrations in food samples from Rize, Turkey
(Wiley, 2012)BACKGROUND: Rize in Turkey was contaminated by the Chernobyl accident in 1986. A comprehensive study was planned and carried out to determine the radioactivity levels and heavy metal concentrations in four food categories ... -
Radioactivity and heavy metal concentrations in various honey samples
(Scibulcom Ltd, 2015)In this study, the contents of natural radionuclide K-40 and fission product Cs-137 in floral honey samples from Rize and some other cities in Turkey, were investigated. the results indicated that 80% of honey samples were ...
