Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Hossam M. Gomaa"'
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 61, Iss 3, Pp 203-209 (2022)
Ternary chalcogenide glass systems of Se80Te(20−x)Inx, where x = 0, 5, 10 wt.%, were synthesized via fast quenching of their melts. Bulk samples were ground into fine powder and thermally evaporated onto silica glass substrate, under vacuum, in ord
Externí odkaz:
https://doaj.org/article/d85dd259b32e4490818c73c7174b5a8d
Publikováno v:
Polymers and Polymer Composites. 29:S223-S228
Samples of pure poly(methyl methacrylate) (PMMA) and PMMA enhanced with metal complexes of Zn, Cd, and Hg were synthesized via catalytic chain transfer polymerization. Structural analysis, by means of XRD, showed the amorphous nature of the studied s
Publikováno v:
Journal of Materials and Applications. 9:46-54
Some bismuth-borate oxide glass' samples were prepared by the fast quenching method, where B2O3 was replaced with equal concentrations of ZnO and CaO. X-ray diffraction (XRD) was used to examine the internal structure and Fourier transform infrared (
Publikováno v:
International Journal of Structural Glass and Advanced Materials Research. 3:34-39
Samples of calcium borate glasses containing iron ions have been prepared with three different concentrations of both boron and iron oxides. X-ray diffraction spectroscopy was performed and results revealed that samples are in good glassy state, with
Publikováno v:
International Journal of Structural Glass and Advanced Materials Research. 3:79-86
Glasses with the chemical compositions 60% B2O3-20% Na2O-(20-x) % Bi2O3-x% Nb2O5 (where, x = 0, 5, 10 and 15 mol. %), were prepared by fast quenching of their melts. Characteristics of the obtained solids were checked by XRD, FTIR and optical absorpt
Publikováno v:
Applied Physics A. 126
Publikováno v:
Applied Physics A. 126
Glasses of (B2O3)0.6 (CaO)0.2 (Bi2O3)(0.2−x) (Nb2O5)x were prepared utilizing a fast cooling method (where x = 0.0, 0.05 and 0.10). Fourier-transform infrared spectra FTIR revealed about shapes that characterize the amorphous solids, where broad ov
Publikováno v:
Applied Physics A. 126
Some bismuth borate glasses containing an equal concentration of both ZnO and CaO were prepared using the fast cooling method, in the air. X-ray diffraction and Fourier transform infrared techniques were used to characterize these glasses. All sample
Publikováno v:
Journal of Non-Crystalline Solids. 485:42-46
Series of five samples, named calcium bismuth niobium Borate glasses, were prepared by quenching their melts. The batches of all samples formed according to the chemical formula 60 mol% B2O3 – 20 mol% CaO – 20 mol% Bi2O3 – (20 − x) Nb2O5 mol%
Publikováno v:
International Journal of High Energy Physics. 4:75
In an attempt to check the effect of the transition metal ions on the glass network, the following chemical formula was used to prepare some of Iron sodium phosphate glasses doped with different transition metal (TM) ions. 50 mol% P2O5 + 20 mol% Na2O