Ufuk Perişanoğlu

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• Associate Professor
• Professor (Associate) at Hakkari University

In the present study, K X-ray emission spectra of Cu, Ni, Co spinel ferrite (MFe2O4) alloys obtained with a HPGe detector by inducing 59.54 keV and 22.1 keV γ-rays emitted from 3 Ci 241Am annular source and 40 mCi 109Cd point source. The data obtained were evaluated in terms of the X-ray intensity ratios, the full width at half maximum (FWHM) value...

This work aimed to investigate alpha, proton, neutron and gamma shielding qualifications of different bulk metallic glasses (Zr65Al7.5Ni10Cu17.5, Ti40Zr26Be28Fe6, Cu49Hf42Al9, Pd40Ni40P20, Ni50Pd30P20, Ca65Mg15Zn20) for nuclear security applications. Therefore, vital gamma radiation attenuation parameter namely mass attenuation coefficients of inve...

In this study, Portland cement paste samples containing (Fe–Cu)x and brassx (where in x = 0, 5, 10, 15, 20%) were manufactured and some physical and nuclear shielding properties were determined. Experimental measurements for determining the mass attenuation coeicients (μ/ρ) of the cement samples were accomplished by utilizing 133Ba radioactive sour...

In this study, the uncharged/charged and photon shielding features of TeO2.Ta2O5.ZnO/ZnF2 tellurite-rich glass system with different ZnO/ZnF2 ratio (encoded as TTZ, TTZF4, TTZF8, TTZF12 and TTZF16) were comprehensively discussed. The mass attenuation coefficients (MAC) were achieved employing MCNPX simulation codes and the outcomes were verified wi...

Flexible supercapacitors (SC), which are mostly produced from carbon-based materials, are emerging devices for lightweight, portable, miniaturized, wearable electronic products. It is important to improve larger energy density, power density and durability of the flexible SCs, in which newly developed materials and composites are needed. In this st...

A new glass system with the composition 60B2O3 + 30PbF2 + (10−x)K2O + x Er2O3 (x = 0 to 3 mol%) were synthesized using the melt-quenching technique and comprehensively analyzed to evaluate their structural, optical, mechanical, and radiation shielding properties. Increasing Er2O3 concentration enhanced the density (from 4.260 to 4.89 g/cm³) and red...

High entropy alloys (HEAs) represent a novel class of materials characterized by their unique composition of four or more principal elements in near-equiatomic ratios, offering exceptional properties for various applications. This study investigates the gamma radiation shielding parameters of selected HEAs, namely FeCoNiCrMn, TaNbHfZrTi, NbMoTaW, A...

This study delves into the impact of substituting Nd 2 O 3 for Na 2 O in Barium-Boron-Phosphate glasses, aiming to enhance their mechanical strength, optical characteristics, and radiation shielding efficacy. Glasses with a composition of 50B 2 O 3 + 20P 2 O 5 + 20BaO + (10-x)Na 2 O + xNd 2 O 3 (x = 0, 1, 2, 3, 4 mol%) were synthesized and characte...

This research meticulously explores the synthesis, structural, thermal and optical characterization of zinc oxide nanoparticle infused strontium borate glasses (termed SZ glasses) and their applicability as radiation shielding. The glasses have been produced using the melt quenching process in the composition series of (60-x)B 2 O 3 : xZnO: 10SrO:...

While sustainable material systems have become paramount, recycling unused waste cathode ray tubes (CRTs) glass can possess great potential for radiation protection applications. With this motivation, the present study addressed the utilization of waste CRTs in combination with MoO3 towards a glass composition of xMoO3—(100-x)CRTs where x typifies...

In this study, seven alloys with a nominal composition of (CuO 2) 0.5 M 0.5 (M = Fe, Co, Ni, Cu, Zn, Y, and Nb wt%) were produced via the powder mixed method. Alloys and pure metals were excited with 59.54 keV photon energy emitted from Am-241 radioactive source at 25°, 35°, 45°, 55°, 65°, 75′ and 85°scattering angles. The spectra of the coherent/C...

In the current study, 10PbO-xSrO-(90-x)B2O3 (x is between 20 and 45 mol% with a step of 5 mol%) glasses with SrO inserted in various proportions were surveyed in terms of nuclear shielding qualities. Gamma-ray shielding features of the glasses encoded BPS1-BPS6 were investigated in the energy range of 0.015–15 MeV. The mass attenuation coefficients...

The effect of PbO and TeO2 concentration on the photon, fast neutron and charged particles shielding capacity of the ternary ZnO-PbO-TeO2 glass systems with the form [(TeO2)0.7-(PbO)0.3]1-x(ZnO)x: x=0.15- 0.25 mol% (TPZ1-TPZ5) glass system was investigated. For this purpose, the mass attenuation coefficient (MAC=μρ) values of the glasses were produ...

The current study is intended to examine the optical, structural and photon/neutron shielding qualities of a group of different ZrO 2 content doped 60B 2 O 3 +20Bi 2 O 3 +(20-x)Li 2 O+xZrO 2 glasses, labeled as BBLZ1, BBLZ2, BBLZ3, BBLZ4 and BBLZ5. manufactured via the melt quenching technique. The specific gravity of the glasses was boosted with i...

In the present work, the nuclear radiation shielding proficiency of eight glassy alloys (Gd25RE25Co25Al25 (RE = Tb, Dy and Ho)) containing different amounts of rare earth elements was investigated with MCNPX simulation codes. Mass attenuation coefficients (μ/ρ) of the glassy alloys were simulated in the energy interval of 0.2-20 MeV by exploiting M...

Structural and gamma-ray/neutron radiation protection characteristics of (50-x)B 2 O 3 +40PbO+10Li 2 O + xAg 2 O (x = 0, 2.5, 5, 7.5, 10 wt fraction (wt) %) glass system encoded BPLA glasses have been extensively surveyed. The structure of the prepared glasses has been investigated over X-Ray Diffraction (XRD) patterns. With the addition of Ag 2 O,...

This study aimed to examine nuclear radiation shielding properties of a novel glass system, which has nominal compositions (40-x) B 2 O 3 +40Pb 3 O 4 +20ZnO + xEr 2 O 3 with several substitution proportions of Er 2 O 3 (x = 0, 1, 2, 3, 4 and 5). The conventional solid-state method was utilized to fabricate the Er 2 O 3 doped glasses. To obtain the...

Zirconolide (CaZrTi2O7, nominally), ceramic waste form, is an interesting material in ceramic glass production owing to its unique irradiation resistance, chemical resistance and loading capacity. The glass ceramics, which have the characteristics of both glass and ceramics, remarks as a durable material. In this research, Ce- doped zirconolite bas...

This work was carried out to specify the effect of Gd2O3 on the gamma and neutron radiation shielding capacities of tellurite rich glasses with 75TeO2+15ZnO+(10-x)Nb2O5+xGd2O3 (TZNG), where (x = 0, 1, 1.5, 2 and 2.5 mol%) nominal composition. The mass attenuation coefficients (μ/ρ) of the studied glasses were acquired with GEANT4 Monte Carlo codes...

This study assessed the ability of glass ceramics that included zirconolite and barite to protect against different kinds of radiation. Firstly, the mass attenuation coefficient (µ/ρ) values of five different glass ceramics with different amounts of SO 3 , barite, and zirconolite additive were simulated by MCNPX (version 2.6.0) codes at 0.015-20 Me...

In this research article, radiation absorption qualifications of the Fe–Ni alloys were explored. The mass attenuation coefficients () of FexNi1-x (x = 0.20, 0.52, 0.55, 0.61 and 0.64) alloys in different concentrations have been determined experimentally for 59.54 keV photon energy and the results were matched with values of the alloys found by usi...

This work aims to research not only neutron and gamma shielding specialties of Sm2O3-doped TeO2–ZnO glasses but also mass stopping power (MSP) and projected range (PR) for alpha and proton particles. Mass attenuation coefficient (μ/ρ) of 60(TeO2)–(40−x)ZnO–x(Sm2O3): x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5 mol%) glasses were obtained using GEANT4 Monte...

K X-ray emission spectra of Zn, Mn and mixed (Zn-Mn, Zn- Co, Zn-Ni) spinel ferrites have been acquired by inducing 59.54 keV and 22.1 keV γ-rays emitted from 3 Ci 241Am annular source and 40 mCi 109Cd point source with a HPGe detector. Some vital parameters for XRF, K K β α / X-ray intensity ratios, the full width at half maximum (FWHM) values, asy...

This work focused to survey the radiation shielding properties of cement paste samples doped without and with Cu 10% and brass 5, 10, 15, 20% wt. Molar volume of the cement samples was determined by the densities obtained with the Archimedes principle. Transmission measurements of the samples were achieved using an Ultra Ge detector at 81, 276, 302...

In this study, nuclear shielding qualities of glass-ceramics with chemical composition Na2O3–BaO–PbO–Nb2O5–SiO2–Al2O3 containing different amount of BaO and PbO were investigated. The μρ values were simulated using GEANT4 toolkit at 0.015–20MeV wide energy range and the obtained results were verified by theoretical WinXCOM results. The variables su...

Because of the high radiation dose in applications involving nuclear reactors, medical treatments etc., it is important to reduce the exposure to radiation of areas and workers. In this study, we were examined gamma ray shielding parameters of the newly produced Re-based superalloys. Mass attenuation coefficient (μ/ρ) of the alloys were obtained ex...

In this study, the gamma photons shielding parameters of the newly produced (NG1, NG2, NG3 and NG4) and widely used (Window, PbO, Soda and Borosilicate glasses) glass samples were evaluated comparatively. Mass at-tenuation coefficients (μ/ρ) of the samples under study are computed by MCNPX simulation code and compared to WinXCOM results in the ener...

The mass attenuation coefficients for some sun protection creams (Solente, Sebamed, La- Roche, Coppertone and Forever) have been determined at 59.54 keV photon energies by using a Si (Li) detector coupled with a multichannel analyzer system and spectroscopy amplifier. The spectrums collected for each sample were analyzed by using Microcal Origin...

The effects of external magnetic field and exciting photon energies on the Kβ/Kα X-ray intensity ratios of various alloy compositions of Ti-Ni transition metal alloys have been investigated in this work using X-ray fluorescence spectroscopy. The spectrum of characteristic K-X-ray photons from pure Ti, pure Ni and TixNi1-x (x= 0.30; 0.40; 0.50; 0.60...

Purpose: Recently, there has been an increase in interest into research into radioprotective agents. Radioprotectors are compounds that protect against radiation injury when given orally (through drinking water) prior to radiation exposure. The purpose is to achieve preferred protection of normal tissues against injury inflicted by ionizing radiat...

In this study, the effect of external magnetic field on the Kβ/Kα X-ray intensity ratios of various alloy compositions of Ni–Cr transition metal alloys has been investigated. The Kα and Kβ emission spectra of Ni, Cr and NixCr1−x (x=0.40; 0.50; 0.60; 0.80) alloys were measured by using a Si (Li) solid-state detector. Kβ/Kα X-ray intensity ratios of...