Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Y.M. Hamdy"'
Publikováno v:
Results in Physics, Vol 7, Iss , Pp 1223-1229 (2017)
Oxy-fluoride glasses singly and co-doped with Sm3+ ions have been synthesized of composition 30, 20 and 50 mol% NaF, AlF3 and PF5, respectively, was established to study the effect of both Sm3+ ions concentrations(0.25–1 mol%), and different gamma-
Externí odkaz:
https://doaj.org/article/e197ad15d5754c939fb6d9a544caa1e1
Akademický článek
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Publikováno v:
Ceramics International. 46:12955-12964
Eu2+ and Dy3+ doped strontium aluminate persistent luminescent materials are prepared by solid state reaction using alumina obtained from the alum sludge [1]. Three group compositions; Sr (NO3)2 with alumina (calcined at 1100 °C, ESA1), SrO with alu
Publikováno v:
Journal of Non-Crystalline Solids. 517:106-113
Novel yellow phosphor based on BaSi2O5:Gd3+&Mn2+ was prepared via melt-quenching technique. Different heat treatment schedules, based on Differential Thermal Analysis (DTA), were applied to study sequence of crystallization. X-ray diffraction (XRD) c
Publikováno v:
Ceramics International. 44:21800-21809
8MO3–30B2O3-xCeO2-(62-x)Bi2O3 glasses (where M = Mo or W and x = 2,5,8; in mol%) were fabricated employing the conventional melt-quench method. Differential thermal analysis was utilized to determine the peaks of crystallization temperatures at whi
Publikováno v:
Silicon. 11:673-684
MnO2, NiO, CoO and CuO doped in soda lime phosphate host glass were prepared. Combined optical and FTIR spectra were measured for the studied glasses before and after gamma irradiation. Some optical and physical properties such as density, molar volu
Publikováno v:
Ceramics International. 44:6500-6507
This work focuses on sintering of EuxMg2−xSiO4 (x = 0.0, 0.01, 0.03, 0.05) forsterite ceramics under different conditions and study their microstructures, physico-mechanical and photoluminescence characteristics. The starting materials were waste s
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Publikováno v:
Materials Chemistry and Physics. 194:198-205
Red phosphor, composed of Eu-Gd-Bi-codoped hybrid organo-silica glass, has been synthesized via a modified Pechini sol-gel process. The synthesized hybrid glass was analyzed with powder X-ray diffraction (XRD), differential thermal analysis coupled w
Publikováno v:
Journal of Non-Crystalline Solids. 458:1-14
Zinc and barium metaphosphate glasses containing dopants of MnO2 (2, 4, 8%) were prepared. Collective studies were carried out through optical, photoluminescence and Fourier transform infrared (FTIR) spectral measurements for the prepared glasses bef