Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 321, listelenen: 256-275
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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 ... -
Radioactivity and heavy metal concentrations of some commercial fish species consumed in the Black Sea Region of Turkey
(Elsevier Ltd, 2012)Marine fish is an important daily diet item for the people of Turkey. The Black Sea Region of Turkey was contaminated by the Chernobyl accident in 1986, a comprehensive study was planned and carried out to determine the ... -
Radioactivity in Kosovo honey samples
(Hard, 2020)The aim of this study was to determine naturally occurring radionuclides (K-40, Ra-226 and Th-232) and the artificial radionuclide Cs-137 in various honey samples from Kosovo. This study is of particular importance because ... -
Radioactivity in soils of Kosovo and radiological implications
(MDPI, 2022)This study was carried out to determine the presence of the main radionuclides from natural and artificial radioactivity in the soil of Kosovo, using gamma-ray spectroscopy. The mean activity concentration for Ra-226, ... -
Radiological and chemical assessment of phosphate rocks in some countries
(Elsevier, 2010)In this study, the radiological, structural and chemical characterizations of Mardin-Mazi{dotless}da?i{dotless} phosphate rock, which is an important phosphate fertilizer source in Turkey were investigated and compared to ... -
Radiological health risks assessment and antioxidant activities of beehive honeys: a case study of Manisa province, Turkey
(Taylor & Francis Ltd., 2022)The physicochemical contents, antioxidant capacities, and radiological contamination levels of 20 honey samples were studied in this study to show the quality of the hive honey. Moreover, some antioxidant activities and ... -
Radiometric mapping and radiation dose assessments in sediments from Savsat Black Lake, Turkey
(Springer, 2022)In this study, natural and artificial radioactivity concentrations in sediment samples taken from Savsat Black Lake located on the Nature Park in Artvin were determined using a high purity germanium detector. It was ... -
Radionuclide concentration in tea, cabbage, orange, kiwi and soil and lifetime cancer risk due to gamma radioactivity in Rize, Turkey
(Wiley, 2011)BACKGROUND: In this study, the activity concentrations of 232Th, 238U, 40K and 137Cs were measured in tea, cabbage, orange, kiwi and soil samples collected from different stations using gamma spectrometry with a high-purity ... -
Radionuclides and heavy metals concentrations in Turkish market tea
(Elsevier, 2011)Tea is one of the most popular beverages in the world. The Eastern Black Sea Region of Turkey is one of the main tea producers in Turkey and the fifth in the world. Thus, the chemical components in tea have received great ... -
A reactor antineutrino detector based on hexagonal scintillator bars
(Elsevier, 2020)This study presents a new concept of segmented antineutrino detector based on hexagonal plastic scintillator bars for detecting antineutrinos from a nuclear reactor core. the choice of hexagonal scintillator bars is original ...
