Zobrazeno 1 - 10
of 44
pro vyhledávání: '"A.F. Maged"'
Optical characterization and γ-irradiation response of conductive transparent oxide of SnO2:Sb films
Publikováno v:
Radiation Physics and Chemistry. 179:109267
We are concerned in synthesizing conductive transparent oxide (CTO) films by spray pyrolysis deposition (SPD) for SnO2 (undoped) and SnO2:Sb (doped) film. The average value of the optical energy gap for CTO films of SnO2 and SnO2:Sb were found 4.01an
Publikováno v:
Radioprotection. 47:403-411
Radon-222 exhalation from different ceramic tiles depends upon the radium (226 Ra) concentration and porosity. Raw zirconium sand is one of the substances widely used in the ceramic industry and it is naturally radioactive. This can produce unjustifi
Publikováno v:
Thin Solid Films. 518:2628-2631
Thermally evaporated selenium and tellurium-based thim film glasses were carefully characterized to establish the interdependence between their chemical composition and some physical parameters, such as density and optical energy gap. The effects of
Publikováno v:
Journal of Physics and Chemistry of Solids. 64:1-6
The properties of chalcogenides that are most important for applications as infrared transmitting materials are reported and their mutual relationships are given. Si 5 Se 80 In 15 films were produced by means of thermal evaporation. The refractive in
Publikováno v:
Vacuum. 53:447-450
The dc current–voltage characteristics of thin films of the metal chalcogenide glassy semiconductor Se 100- X In X with 3⩽ X ⩽15 using a square four-point probe of silver paste were obtained. Results showed a nearly ohmic behaviour. The resista
Publikováno v:
Materials Chemistry and Physics. 56:184-188
The Ge-As-Se system has been selected as the basic glass system for studying the effects of addition of tellurium on transition temperature, density, molar volume and optical properties. The effect of γ-irradiation on IR transmission for the systems
Autor:
A.F. Maged, E.A. Saad
Publikováno v:
Environmental Management and Health. 9:130-135
Large amounts of uranium, radium and radium products are redistributed throughout the environment owing to the use of phosphate fertilizers. Potential radiological impacts resulting from direct exposure, inhalation and ingestion of foods grown with f
Publikováno v:
Journal of Materials Research. 13:1128-1131
Optical studies have been performed on amorphous films of the system Ge10Se90-xTex where (x = 20, 30, 40). The study revealed that as the Te content is increased, the optical band gap (Eg) was found to decrease. Photoinduced effects were studied on t
Publikováno v:
Radiation Measurements. 28:599-602
The concentration of radon in the open air and interiors and in sub-soil of Delta sites was determined by using solid state nuclear track detectors (SSNTDs). Radon concentration measurements in air in Delta, north Cairo, were performed by open and fi
Autor:
F.Abdel Rehim, A.F. Maged
Publikováno v:
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes. 42:763-766
The response of CaO B 2 O 3 Al 2 O 3 (cabal) glass to γ-radiation has been measured by the changes in the optical absorption spectra with different absorbed doses in the range 0.6–35 kGy. This glass was chosen on the basis of its possible use as a