Güncel Gönderiler: FEF, Fizik Bölümü Koleksiyonu
Toplam kayıt 337, listelenen: 81-100
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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 ... -
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. ... -
Effect of CdS and CdSe pre-treatment on interdiffusion with CdTe in CdS/CdTe and CdSe/CdTe heterostructures
(Elsevier, 2021)High efficiency CdTe solar cell structure has the configuration of CdS/CdSe/CdTe. Depending on the deposition and post deposition techniques employed, this stack is often subjected to high temperatures, often in presence ... -
Hybrid transparent conductive electrode structure for solar cell application
(Elsevier, 2021)This study draws on our experiences with graphene to perform a hybrid TCO structure composed of AZO and graphene. We first set out to enhance the electrical and optical properties of AZO to enable its use especially in the ... -
Beam dynamic studies at accelerator system of gun for a self-amplified spontaneous emission free electron laser project
(Elsevier, 2021)One of the important factors in high radiation generation facilities is the production of a high quality electron beam. To do that, the requirements of an optical electron source, such as current, radiation emission, etc. ... -
Impact of in/ex situ annealing and reaction temperature on structural, optical and electrical properties of SnS thin films
(Elsevier, 2021)In this work, SnS thin films were prepared by in situ and ex situ annealing process of precursor films deposited by RF (Radio Frequency) magnetron sputtering employing binary SnS target. In situ annealing treatment was ... -
Magnetic levitation force and trapped field properties of multiseeded YBCO with triangular arrangement of seeds
(Wiley, 2021)Although there are studies in literature using different number of seeds with different arrangements, especially line and rectangular, it is seen that there is no detailed study handling the levitation force together with ... -
Sequential forward mother wavelet selection method for mental workload assessment on N-back task using photoplethysmography signals
(Elsevier, 2021)The increasing demands of a cognitive task require additional brain resources. This demand, known as mental workload, can lead to deteriorated task performance. Therefore, assessment of mental workload can provide a proper ... -
Gender recognition from PPG signals of people with different blood pressure
(IEEE, 2021)Photoplethysmography (PPG) is an opto-electronic technique that measures the blood volume within micro-vascular tissue. Studies based on measuring blood pressure level with PPG have been widely used. In this study, gender ... -
Bio-kinetics of cesium-137 in Mediterranean mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) via seawater exposure
(Elsevier, 2021)Accumulation and depuration kinetics in the samples of mussel (Mytilus galloprovincialis L. 1758) and sea snail (Rapana venosa (Valenciennes, 1846)) exposed to Cs-137 radioisotope via seawater exposure were investigated ... -
Dynamic magnetic properties of a mixed ferro-ferrimagnetic ternary alloy in the form of AB(p)C(1-p) with single-ion anisotropy
(Elsevier, 2021)We investigate the dynamic magnetic properties of the AB(p)C(1-p) form mixed ferro-ferrimagnetic ternary alloy. For this purpose, the system was simulated by means of a Hamiltonian including single-ion anisotropy, A and B ... -
The investigation of stability of n-CdS/p-Cu2S solar cells prepared by cold substrate method
(IOP Publishing, 2021)In this study, two different n-CdS/p-Cu2S solar cells were prepared by evaporating Cu at different substrate temperatures (200 K and 300 K) by vacuum evaporation method on a single crystal CdS semiconductor. Field emission ... -
Acute copper accumulation in Mediterranean mussel and sea snail
(Taylor & Francis Inc., 2021)In this study, the rate of copper accumulation in mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) organisms exposed to acutely different non-lethal copper concentrations was investigated for 5 days under ... -
Formaldehyde selectivity in methanol partial oxidation on silver: effect of reactive oxygen species, surface reconstruction, and stability of intermediates
(Amer Chemical Soc., 2021)Selective oxidation reactions on heterogeneous silver catalysts are essential for the mass production of numerous industrial commodity chemicals. However, the nature of active oxygen species in such reactions is still ... -
Evaluation of ecological risk, source, and spatial distribution of some heavy metals in marine sediments in the Middle and Eastern Black Sea region, Turkey
(Springer Heidelberg, 2021)In the present study, the concentration levels of heavy metals such as Mn, Fe, Ni, Cu, Zn, Cr, and Pb in sediment samples collected from 16 sampling locations in the Middle and Eastern Black Sea regions, Turkey, were ... -
Gamma irradiation and the radiation shielding characteristics: for the lead oxide doped the crosslinked polystyrene-b-polyethyleneglycol block copolymers and the polystyrene-b-polyethyleneglycol-boron nitride nanocomposites
(MDPI, 2021)This work aimed to research the efficiency of gamma irradiation and shielding characteristics on the lead oxide (PbO) doped the crosslinked polystyrene-b-polyethyleneglycol (PS-b-PEG) block copolymers and polystyrene-b-p ... -
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 ... -
Gamma irradiation, thermal conductivity, and phase change tests of the cement-hyperbranched poly amino-ester-block-poly cabrolactone-polyurathane plaster-lead oxide and arsenic oxide composite for development of radiation shielding material
(Wiley, 2021)The work which has been done on cement-polymer composite based shielding materials was comprehensively described in the present article, the choice of the study presented here is based on the choice of the researches. The ... -
Comparative study of heavy metal concentration in eggs originating from industrial poultry farms and free-ange hens in Kosovo
(Hindawi, 2021)The aim of the present study was to determine the most significant heavy metal concentration in hen eggs, in particular to compare the heavy metal concentration in eggs originating from industrial poultry farms versus ... -
Heavy-Ion fusion reaction calculations: Establishing the theoretical frameworks for In-111 Radionuclide over the Coupled Channel Model
(MDPI, 2021)In this work, the production of I111n radionuclide has been investigated theoretically via heavy-ion fusion reactions of two stable nuclei: C37l+G74e, M26g+R85b, S30i+B81r, and C46a+C65u reactions. Fusion cross-sections, ...