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pro vyhledávání: '"M.G. El-Shaarawy"'
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Publikováno v:
Advanced Powder Technology. 31:1333-1341
The effect of particle size and morphological structure on the electrical and electrochemical properties of ZnO (nanowires, nanorods, and nanospheres) prepared by two various routes: soft-wet and dry methods were investigated. The electrochemical per
Publikováno v:
Egyptian Journal of Chemistry.
Nano-composite Phospho-Silicate (SiO2 - P2O5) co-doped with trivalent (Ho3+) and (Yb3+) ions, respectively are considered as promising materials for photonic application. The nano-composite samples were prepared and their unique optical spectroscopic
Autor:
Ahmed Gamal El-Shamy, M.G. El-Shaarawy, F. El-Tantawy, T.Y. Elrasasi, N.M. Shash, M.A. Attallah
Publikováno v:
Materials Science in Semiconductor Processing. 126:105653
A Schottky device with structure (Ag/PVA-Ag-Coumarin/n-Si) has been fabricated for optical photodiode applications. It has been fabricated via a spin coating technique after preparing PVA-Ag nano-composite using the in-situ technique and then adding
Publikováno v:
Materials Science and Engineering: B. 263:114812
A comparison was made between the structure and electrochemical properties of CuFe2O4 nanoparticles prepared by five different preparation methods, involving the co-precipitation, green sol–gel, green hydrothermal, auto-combustion, and microwave. T
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 762:012007
The effect size of CdS Quantum Dots (QDs) on thermal and photovoltaic parameters is investigated. CdS QDs were adsorbed onto TiO2 electrodes using successive ionic layer adsorption and reaction (SILAR) to act as sensitizers of quantum dots solar cell
Publikováno v:
Journal of Materials Science: Materials in Electronics. 26:6040-6050
Magnesium-substituted lithium ferrite powders (Li1−xMg2xFe5−xO8 where x = 0.0–0.8) were prepared by sol–gel auto-combustion method. XRD profiles revealed that all compositions were single cubic ferrite structure for the precursors annealed at
Publikováno v:
Acta Physica Polonica A. 127:803-810
The aim of the contribution is to introduce a high performance magnesium conducting polymer electrolytes (PEs) comprising hybrid of poly(vinyl alcohol) (PVA), magnesium bromide (MgBr2) and tetraethylene glycol dimethyl ether (TEGDME) as plasticizer a
Publikováno v:
Journal of Magnetism and Magnetic Materials. 374:495-501
Nanocrystalline lithium ferrite LiFe 5 O 8 powders were synthesized by the sol gel auto-combustion method from the corresponding metal nitrates using urea as a fuel. DTA results showed that the LiFe 5 O 8 phase started to form at temperature around 3
Publikováno v:
Materials & Design (1980-2015). 65:1196-1204
Nano-sized SiC particles-reinforced Sn–3.0Ag–0.5Cu (SAC305) composite solder was prepared by mechanically dispersing SiC particles into plain SAC305 alloy at 900 °C for 90 min. The effects of SiC addition on microstructure, melting behavior and