• Ultrasonically sprayed cobalt oxide thin films: Enhancing of some physical properties by nickel doping 

  Kus, Esra; Kucukarslan, Ayse; Demirselcuk, Barbaros; Sarıca, Emrah; Akyuz, Idris; Bilgin, Vildan (Elsevier B.V., 2021)

  In this study, the effect of Ni doping (3, 6, 9 at%) on structural, optical, electrical and magnetic properties of Co3O4 films was reported. Films were grown at 300 ± 5 °C substrate temperature via ultrasonic spray pyrolysis ...

• The role of Eu3+ ion on luminescence, TL kinetic parameters and electrochemical behaviors of Sr0,5Ca0,5WO4 phosphor synthesized via sol-gel technique 

  Kati, Mehmet İsmail; Keskin, İlker Çetin; Türemiş, Murat (TUBITAK, 2021)

  The Eu3+doped Sr0,5Ca0,5WO4 has been synthesized by the sol-gel method for the first time. The phosphors were analyzed by XRD, SEM, DTA/TG optical absorption spectra, radioluminescence (RL), photoluminescence (PL), and ...

• Sol-gel derived ZnO:Sn thin films and fabrication of n-ZnO:Sn/p-Si heterostructure 

  Sarıca, Emrah; Gunes, Ibrahim; Akyuz, Idris; Bilgin, Vildan; Erturk, Kadir (Elsevier B.V., 2021)

  In this work ZnO:Sn thin films were deposited onto glass and p-Si substrates by spin coating of prepared sols which contains different amounts of Zn(CH3COO)2·2H2O and SnCl2 (0, 5, 10 and 15%). Physical properties of ZnO ...

• Investigation of spray pyrolyzed cubic structured Cu doped SnS films 

  Sarıca, Emrah (Taylor and Francis Ltd., 2021)

  Undoped and Cu doped SnS films were deposited onto glass substrates by spray pyrolysis technique in order to investigate the effect of Cu doping on their physical properties. Surface investigations showed that Cu doping ...

• Improvement of structural, optical and magnetic properties of cobalt oxide thin films by doping with iron 

  Kucukarslan A.; Kus E.; Sarıca, Emrah (Springer Science and Business Media Deutschland GmbH, 2021)

  In this study, using the ultrasonic spray pyrolysis technique, undoped and Fe-doped (at 2, 4, 6%) Co3O4 films were deposited on microscope glass substrates at 300 ± 5 °C, and the effect of Fe doping on some physical ...

• Comprehensive study on structural, thermal, morphological and luminescence (RL, PL, TL) properties of CaLa2(WO4)4: Tb3+, Dy3+ phosphors synthesized via sol-gel method 

  Türemiş, Murat; Keskin İ.Ç.; Katı M.İ.; Çetin A.; Ay K.; Kibar R. (Elsevier Ltd, 2021)

  Tb3+/Dy3+ co-doped CaLa2(WO4)4 (CLW: Tb3+/Dy3+) and its derivatives were synthesized by the sol-gel method. The morphology, thermal, structure and luminescent-optical properties the as-prepared light-emitting phosphors ...

• Investigation on Cathodoluminescence Properties of Copper Implanted ZnO Samples 

  Arslanlar, Yasemin Tuncer; Keskin, İlker Çetin; Katı, Mehmet İsmail; Türemiş, Murat; Çetin, Ahmet; Kibar, Rana (2019)

  ZnO single crystals has been implanted with 400 keV Cu ions at fluences of 2,5 x 1016 ions/cm2 at room temperature. The cathodoluminescence (CL) measurements of pure and Cu implanted samples has been reported at UV-visible ...

• Charged Particle Interactions of Human Organs and Tissues in Heavy Ion Therapy; Effective Atomic Number and Electron Density 

  Büyükyıldız, Mehmet (2020)

  In this work, various organs of human and tissues were studied in terms of the effective atomic numbers (Zeff) and electron densities (Ne) in the continuous kinetic energy region for different types of heavy ions. Variations ...

• Effects of the oxide/interface traps on the electrical characteristics in Al/Yb2O3/SiO2/n-Si/Al MOS capacitors 

  Morkoç, Berk; Kahraman, A.; Yılmaz, E. (Springer, 2021)

  In the present work, we examine the effect of structural modifications occurring during the fabrication of Al/Yb2O3/SiO2/n-Si/Al MOS capacitors under different annealing temperatures on the electrical characteristics of ...

• Study of the hydrothermal crystallization process of barium titanate by means of X-ray mass attenuation coefficient measurements at an energy of 59.54 keV 

  Akbulut Özen, Songül; Ozen, Murat; Sahin, Mehmet; Mertens, Myrjam (Elsevier Science Inc, 2017)

  In this work, the X-ray mass attenuation coefficients of hydrothermally synthesized barium titanate (BaTiO3) samples were calculated with the purpose of determining the crystallization sequence of BaTiO3. Hydrothermally ...

• Investigation of heavy metal distributions along 15m soil profiles using EDXRF, XRD, SEM-EDX, and ICP-MS techniques 

  Akbulut Özen, Songül; Ozkalayci, Fatih; Cevik, Ugur; Van Grieken, Rene (Wiley, 2018)

  The research of soil contamination by heavy metal is an important field due to its environmental and health implications. The goal was to study the elemental mobility as a function of depth. For this reason, the distribution ...

• Indoor and outdoor radon measurements at lung cancer patients' homes in the dwellings of Rize Province in Turkey 

  Akbulut Özen, Songül; Celik, Necati; Dursun, Emrehan; Taskin, Halim (Springer, 2018)

  In this study, indoor and outdoor radon (Rn-222) surveys were carried out in the summer and winter seasons in homes of one hundred lung cancer patients in the year 2013-2014. The aim was to investigate the relationship ...

• X-ray irradiated thermo- and radioluminescence, structural and thermal characterization of septarian (powder&bulk) from Madagascar 

  Keskin, Ilker Cetin; Kati, Mehmet Ismail; Türemiş, Murat; Gultekin, Serdar; Ustun, Siileyman; Cetin, Ahmet (Elsevier, 2018)

  The luminescence properties of septarian have been investigated for the first time in this study, which has been the subject of many studies in both geological and geophysical fields. This sediment with a calcium carbonate ...

• Optimizing Optical and Structural Properties of Nanocomposites by ZnO and BP-3 

  Türemiş, Murat; Keskin, I. C.; Kati, M. I.; Kibar, R.; Sirin, K.; Canli, M. (Maik Nauka/Interperiodica/Springer, 2018)

  This study aims to find out usage of zinc oxide (ZnO) and 2-hydroxy-4-methoxybenzophenone (BP-3) for getting better optical and structural properties of nanocomposites. Polymer nanocomposites were prepared by adding zinc ...

• Iron doped ZnO thin films deposited by ultrasonic spray pyrolysis: structural, morphological, optical, electrical and magnetic investigations 

  Bilgin, Vildan; Sarıca, Emrah; Demirselcuk, Barbaros; Turkyilmaz, Seren (Springer, 2018)

  In this work, undoped and Fe-doped ZnO thin films at various concentrations (2, 4 and 6 at.%) were deposited onto glass substrate by using ultrasonic spray pyrolysis in order to investigate the effect of Fe doping on the ...

• The effect of energy resolution of detection instrument on mass attenuation coefficient 

  Celik, N.; Akbulut Özen, Songül; Demirtas, O. F.; Cevik, U. (Iop Publishing Ltd, 2018)

  The effect of energy resolution of two detection systems, HPGe and NaI(T1), was determined by Monte Carlo (MC) calculation on mass attenuation coefficients of magnesium (Mg) and tungsten (W). In order to reveal the energy ...

• Comparison of active and passive radon survey in cave atmosphere, and estimation of the radon exposed dose equivalents and gamma absorbed dose rates 

  Akbulut Özen, Songül; Cevik, Ugur; Taskin, Halim (Taylor & Francis Ltd, 2019)

  Radon (Rn-222) measurements were conducted in the Pileki Cave with Radim 3A Active Radon Monitor equipment. Measurements were also done with the passive sampling method with CR-39 nuclear track detectors by exposing them ...

• Effects of CdS quantum dot in polymer nanocomposites: In terms of luminescence, optic, and thermal results 

  Keskin, Ilker Cetin; Türemiş, Murat; Kati, Mehmet Ismail; Kibar, Rana; Cetin, Ahmet (Pergamon-Elsevier Science Ltd, 2019)

  CdS quantum dots (QDs) which have unique luminescence efficiency were synthesized by two-phase method using oleic acid (OA) as a surfactant. The nanocomposites have been obtained by blended CdS quantum dots with low-density ...

• Structural, optical, luminescence properties and energy transfer mechanism of Tb3+/Eu(3+)co-doped SrLa2(MoO4)(4) phosphors produced by sol-gel process 

  Keskin, I. C.; Gultekin, S.; Kati, M. I.; Türemiş, Murat; Ay, K.; Arslanlar, Y. (Elsevier Science Sa, 2019)

  Tb3+/Eu3+ co-doped SrLa2(MoO4)(4) have been synthesized using the sol-gel process. The as-produced light-emitting phosphors were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), differential ...

• Estimation of radon flux spatial distribution in Rize, Turkey by the artificial neural networks method 

  Yesilkanat, Cafer Mert; Akbulut Özen, Songül (Pergamon-Elsevier Science Ltd, 2019)

  In this study, average radon flux distribution in the Rize province (Turkey) was estimated by the artificial neural networks (ANN) method. For this purpose, terrestrial gamma dose rate (TGDR), which is defined as an important ...

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