Yazar "Cengiz, Erhan" için listeleme
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Assessment of natural radioactivity and radiological risk of sediment samples in Karacaören II dam Lake, Isparta/Turkey
Apaydın, Gökhan; Köksal, Oğuz Kağan; Cengiz, Erhan; Tıraşoğlu, Engin; Baltaş, Hasan; Karabulut, Kazım; Söğüt, Ömer (Alanya Alaaddin Keykubat Üniversitesi, 2019)This research aimedto assess natural radioactivity levels in lake sediment of Karacaören II Dam.In this study sediment samples were collected from 12 station of lake in May,2016. The natural radionuclides 226Ra, 232Th and ... -
Assessment of the mass attenuation parameters with using gamma-rays for manganese substituted nano hydroxyapatite
Köksal, Oğuz Kağan; Apaydın, Gökhan; Tozar, Ali; Karahan, İsmail Hakkı; Cengiz, Erhan (Pergamon-Elsevier Science Ltd, 2019)Manganese substituted hydroxyapatite nanoparticles (nMnHAp) were produced using the ultrasonic wet chemical method. The elemental analysis was performed using Scanning Electron Microscopy (SEM) with integrated Energy ... -
Determination of valence electronic structure of Ni in Ni-B alloy coatings using K-beta-to-K-alpha X-ray intensity ratios
Cengiz, Erhan; Köksal, Oğuz Kağan; Apaydın, Gökhan; Karahan, İsmail Hakkı; Ünal, Ersin (Pergamon-Elsevier Science Ltd, 2019)In this study, K-beta-to-K-alpha X-ray intensity ratios of Ni in Ni-B alloy coatings were investigated. These samples were excited by 59.5 keV gamma-rays from a Am-241 annular radioactive source. K X-rays emitted by the ... -
Elemental analysis for iron, cobalt, copper and zinc decorated hydroxyapatite synthetic bone dusts by EDXRF and SEM
Köksal, Oğuz Kağan; Wrobel, Pabel; Apaydın, Gökhan; Cengiz, Erhan; Lankosz, Marek; Tozar, Ali; Özkalayci, Fatih (Elsevier Science Bv, 2019)Iron, cobalt, copper and zinc decorated hydroxyapatite nanoparticles were produced with using ultrasonically assisted wet chemical method. Calcium nitrate tetra hydrate and dibasic ammonium phosphate were used as calcium ... -
Evaluation of ecological risk, source, and spatial distribution of some heavy metals in marine sediments in the Middle and Eastern Black Sea region, Turkey
Apaydın, Aylin; Kabaoğlu, Hatice; Apaydın, Gökhan; Şirin, Murat; Cengiz, Erhan; Köksal, Oğuz Kağan; Baltaş, Hasan; Tıraşoğlu, Engin (2022)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 ... -
Examination of polymeric azomethine compounds and their transition metal complexes by using XRF and XRD technique
Söğüt, Ömer; Kara, Betül Demirezen; Apaydın, Gökhan; Cengiz, Erhan; Kazancı, Ayşe (Office Spectroscopy & Spectral Analysis, 2020)In this study, the electronic transition properties and structural analysis of the metal complexes (Ni (II), Co(II), Cu( II) and Mn( II)) of three different polymer ligands were performed by using XRF and X-ray diffraction ... -
Examination of the change of the characteristic X-rays of the Zinc in fluorine- and boron-doped ZnO thin films
Söğüt, Ömer; Kerli, Süleyman; Cengiz, Erhan; Apaydın, Gökhan (Polish Acad Sciences Inst Physics, 2018)In this study, K-beta / K-alpha X-ray intensity ratios of zinc in pure zinc, undoped ZnO thin film and boron and fluorine-doped ZnO thin films have been investigated. These samples have been excited by 59.5 keV gamma-rays ... -
An investigation of gamma ray mass attenuation from 80.1 to 834.86 keV for fabric coating pastes used in textile sector
Erenler, Alev; Bayram, Tuncay; Demirel, Yusuf; Cengiz, Erhan; Bayrak, Rıza (Springer Singapore Pte Ltd, 2020)In the present study, we investigate several textile coating pastes used in the market based on their radiation protection capability for gamma rays. The gamma ray mass absorption coefficients of some coating pastes doped ... -
Investigation of mass attenuation coefficients ofcopper-silverthin films at 14.93-48.82keVenergy range
Söğüt, Ömer; Cengiz, Erhan; Yavuz, Musab (Wiley, 2020)In this study, the mass attenuation coefficients of copper-silver thin-film alloys, produced by the thermal evaporation method at various concentrations, were measured at six different energies in the range of 14.93-48.82 ... -
Investigation on Li (i = l, ?, and ?)–to-L? X-ray Intensity Ratios of Tl in Thallium Compounds
Cengiz, Erhan (2019)The Li (i = l, ?, and ?)–to-L? X-ray intensity ratios of Tl in some thallium compounds were measured by EDXRF spectrometer. These compounds were excited by 59.5 keV gamma-rays from a 241Am annular radioactive source. L ...
