Zobrazeno 1 - 10
of 153
pro vyhledávání: '"M. El-Hilo"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 482:125-134
Zinc oxide doped with different concentrations of Co2+ ions (ZnO:Co) nano-powders were synthesised by co-precipitation method using complexes zinc acetate dihydrate and cobalt acetylacetonate. The mass ratios of Co/Cd in the investigated samples were
Publikováno v:
2019 8th International Conference on Modeling Simulation and Applied Optimization (ICMSAO).
Dipolar interactions in a system of superparamagnetic nanoparticles play an important role in the magnetic response of the system, where it is well known that they depress the magnetisation. In this study, we simulate a system of 5000 interacting nan
Autor:
Dalaver H. Anjum, A.A. Dakhel, Mohamed Bououdina, Mohammed Benali Kanoun, M. El-Hilo, Souraya Goumri-Said
Publikováno v:
RSC Advances. 5:33233-33238
We obtain a single cadmium oxide phase from powder synthesized by a thermal decomposition method of cadmium acetate dehydrate. The yielded powder is annealed in air, vacuum, and H2 gas in order to create point defects. Magnetization-field curves reve
Publikováno v:
Advanced Powder Technology. 25:1839-1844
A mixture of cadmium acetate dihydrate, bis(acetylacetonato)copper, and tris(acetylacetonato)iron complexes is thermally co-decomposition to synthesizes Cu and Fe-codoped CdO (CdO:Cu:Fe) powders. The aim of this study is to examine the effect Fe dopi
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 27:2089-2095
Cadmium oxide (CdO) nanopowders doped with Cu/Fe were synthesised by co-decomposition of method of complexes to examine that Cu ion doping behaves as a “magneto-catalyst”, which enhances the magnetic properties of 1 wt.% Fe-doped CdO. Furthermore
Autor:
S. Narayanan, Mohamed Bououdina, S. Azzaza, J. Judith Vijaya, N. Mamouni, M. El-Hilo, A. El Kenz, A. Benyoussef
Publikováno v:
Materials Chemistry and Physics. 143:1500-1507
Structural, optical and room temperature magnetic properties of Mn-doped MgO nanoparticles with Mn fractions (5–50 at.%), were investigated. The as-prepared pure MgO, with grain size of about 15 nm, exhibits two magnetization components, one is dia
Publikováno v:
IEEE Transactions on Magnetics. 47:3362-3365
In this paper, the effect of a symmetric distribution of dipolar fields acting along the applied field on the magnetization curve of a superparamagnetic nano-granuler system is examined. The calculations show that the magnetization curves are depress
Autor:
A.A. Dakhel, M. El-Hilo
Publikováno v:
Journal of Magnetism and Magnetic Materials. 323:2202-2205
A mixture of bi(acetylacetonato) zinc(II)hydrate and tris(acetylacetonato) manganese(III) complexes was thermally co-dissociated to synthesize Mn-doped ZnO powders. In order to examine the effect of oxygen vacancies on the ferromagnetic coupling of M
Autor:
M. El-Hilo
Publikováno v:
Journal of Magnetism and Magnetic Materials. 322:1279-1282
In this work, the effect of different arrays arrangements on the magnetic behaviour of patterned thin film media is simulated. The modeled films consist of 80×80 cobalt grains of uniform diameter (20 nm) distributed into two different array arrangem
Autor:
M. El-Hilo
Publikováno v:
Journal of Magnetism and Magnetic Materials. 322:1620-1623
In this work the effects of dipolar coupling on the distribution of effective orientations in textured nano-patterned media is simulated. The modelled films consist of 50×50 cobalt grains of uniform diameters ( D =20 nm) arranged in hexagonal (trian