Results 21 to 30 of about 1,514,488 (302)
Ferrodistortive instability at the (001) surface of half-metallic manganites [PDF]
, 2007 We present the structure of the fully relaxed (001) surface of the half-metallic manganite La0.7Sr0.3MnO3, calculated using density functional theory within the generalized gradient approximation (GGA).
Emilio Artacho +5 more
core +1 more source
Method for Shielding Evaluation of Industrial Radiography with Ir [PDF]
Journal of Radiation Protection and ResearchBackground Iridium-192 (192Ir) is one of the radioisotopes most commonly utilized for industrial radiography worldwide. In accordance with the Nuclear Safety Act of the Republic of Korea, the use of projectors containing 192Ir sources requires conducting
Byeonghyeon Park +3 more
doaj +1 more source
Determining X-Ray Effective Energy in Linear Accelerator (LINAC) Radiotherapy Instrument
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, 2018 This research in determining x-ray effective energy in linear accelerator (Linac) radiotherapy device was done using copper plates at different thicknesses by determining the Half Value Layer (HVL) for each energy. The purpose of this research is to know
Fauziah Fauziah, Bualkar Abdullah
doaj +1 more source
Radiation Protection and Environment, 2019 An attempt has been made to prepare the nonlead-based gamma shielding materials by adding different weight percentages (0%, 10%, 20%, and 40%) of bismuth in high-density polyethylene (HDPE) matrix.
M Sheela +3 more
doaj +1 more source
Pb-free Radiation Shielding Glass Using Coal Fly Ash
Journal of Mathematical and Fundamental Sciences, 2015 In this work, Pb-free shielding glass samples were prepared by the melt quenching technique using subbituminous fly ash (SFA) composed of xBi2O3 : (60-x)B2O3 : 10Na2O : 30SFA (where x = 10, 15, 20, 25, 30 and 35 by wt%). The samples were investigated for
Watcharin Rachniyom +3 more
doaj +1 more source
Methodology study for determining the half-value layer using the Monte Carlo code PHITS
Brazilian Journal of Radiation SciencesFor most purposes, the quality of a beam can be specified in terms of the half-value layer (HVL), which is the thickness of material required to reduce the air kerma to half, at one meter from the source, from a unidirectional beam of infinitesimal ...
Ronald Soares, Marco Aurélio Lacerda
doaj +1 more source
Fast neutrons and gamma rays shielding properties for some nylon composite [PDF]
E3S Web of ConferencesIn this study, The removal parameters of macroscopic fast neutron cross-section, linear gamma ray attenuation, mean free path, and half-value layer (half-value thickness) were calculated for a polymer composite containing nylon 6 as a base material and ...
Kareem Dawood Salwah +3 more
doaj +1 more source
Effect of Waste Iron Filings (IF) on Radiation Shielding Feature of Polyepoxide Composites
Crystals, 2023 In the present work, photon and neutron attenuation properties of polyepoxide composites produced by doping waste iron filings (IF) at different percentages (0%, 20%, 40%, and 60% iron filing percentage) were obtained using theoretical and experimental ...
Mohammed T. Alresheedi, Mohamed Elsafi
doaj +1 more source
Journal of Materials Research and Technology, 2021 This study aimed to determine the contribution of B2O3/CdO substitution on gamma-ray attenuation behaviors of 46V2O5–46P2O5–(8−x)B2O3–xCdO (x = 0–8 mol%) glass system.
H.O. Tekin +8 more
doaj +1 more source
Effects of charging and electric field on the properties of silicene and germanene [PDF]
, 2013 Using first-principles Density Functional Theory calculations, we showed that electronic and magnetic properties of bare and Ti adatom adsorbed single-layer silicene and germanene, which are charged or exerted by a perpendicular electric field are ...
Ciraci, S. +2 more
core +2 more sources