Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Zein K. Heiba"'
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 5, Pp 3375-3383 (2022)
Nano gadolinium oxide doped polyvinyl alcohol/polyethylene glycol blend (PVA/PEG) was prepared by sol–gel and casting methods. Rietveld refinement method was used for structural and microstructural investigation. The X-ray diffraction (XRD), scanni
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:9517-9530
Samples of non-stoichiometric nano-CdS1−x were synthesized by a simple thermolysis method by lowering the ratio of thiourea relative to cadmium acetate as starting precursors: Cd(Ac):(1 − x) thiourea (x = 0.0, 0.03, 0.05, and 0.1). X’pert HighS
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:1850-1863
Non-stoichiometric cadmium sulfide, CdS0.9, nanomaterials doped with Mn, Co, Cu, and Zn (CdS0.9M0.1, M = Mn, Co, Cu, Zn) were prepared using a thermolysis procedure. X-ray diffraction analysis revealed that all doped samples have the same CdS structu
Autor:
Mohamed Bakr Mohamed, Mahmoud Abdellatief, A.M. Aldhafiri, Noura M. Farag, Zein K. Heiba, A.M. El-Naggar
Publikováno v:
Journal of Materials Research and Technology, Vol 10, Iss, Pp 832-839 (2021)
The changes in the properties of the supercapacitor electrode material copper cobaltite, prepared by a simple hydrothermal procedure, were investigated upon doping with Mo with different ratios (CuCo1-xMoxO4, x = 0.0, 0.1, 0.2). The effect of doping
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 31:2492-2500
This work disseminates the characterization, and facile production of unprecedented amino-functionalized CuNPs synthesized chitosan membrane for application of the purification process of anionic dyes alongside electrochemical properties. Chitosan so
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:14746-14755
Nanocomposites (1−x)MnS‒xZnS (x = 0, 0.25, 0.5, 0.75, 1) heterostructures were synthesized by a simple chemical procedure at low temperature (300 °C). The influence of the alloying ratio (x) on the phases developed was investigated utilizing the
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:13447-13459
Non-stoichiometric ZnS1−x:Mnx nanomaterials were prepared using a thermolysis procedure by decreasing the stoichiometric amount of thiourea relative to the amount of zinc acetate as starting precursors: Zn(Ac)/(1−x) thiourea in the presence of (x
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 33:1439-1445
Nanocomposites of polyaniline loaded with different weight-fractions of double-wall carbon nanotubes were fabricated by in situ polymerizations of the polyaniline in the presence of double-wall carbon nanotubes. The composition of the nanocomposites
Publikováno v:
Optical and Quantum Electronics. 53
Nano Cd0.9Mg0.05S was synthesized applying the thermolysis technique in air and under flow of nitrogen. Samples obtained exhibited CdS structure with two phases. Rietveld refinement analysis was used to determine the different structure parameters. A
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 32:2981-2986
Polyaniline (PANI) coupled with Se0.95Fe0.05 in various weight percentage (5 and 10 wt%) were formed by in situ polymerization method of PANI in the presence of Se0.95Fe0.05. The functionality of the investigated nanocomposites was investigated by X-