Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Hayet Moumeni"'
Publikováno v:
Journal of Applied Electrochemistry. 52:217-229
Ni–Mo–W electrocatalysts have been prepared by electrodeposition on a copper substrate in a bath with different Na2WO4·2H2O concentrations (0.01–0.1 M) and pH values (4 and 7.5). The chemical composition, surface morphology, and crystalline st
Publikováno v:
Computational and Theoretical Chemistry. 1224:114114
Autor:
Abderrafik Nemamcha, J. A. Navio, A. Chenchana, J.M. Doña Rodríguez, E. Pulido Melián, Hayet Moumeni, O. González Díaz, J. Araña
Publikováno v:
Applied Surface Science. :1076-1087
In this work, novel TiO2-based nanobelts with various phases were synthesized: biphasic TiO2(B)/anatase, pure TiO2(B) and pure anatase. These catalysts were obtained via hydrothermal reaction using two nanoparticulated TiO2 photocatalysts as precurso
Publikováno v:
Surface and Coatings Technology. 315:172-180
Co-Ni thin films were synthetized by electrodepostion on Cu substrate from chloride-sulfate bath containing thiourea as additive. The effects of applied current density (J = 1, 2, 3 and 4 A/dm2) on the composition, morphology, microstructure and form
Publikováno v:
Materials Research Express
Materials Research Express, 2019, 6 (12), ⟨10.1088/2053-1591/ab58a4⟩
Materials Research Express, 2019, 6 (12), ⟨10.1088/2053-1591/ab58a4⟩
Ni?Fe?P coatings have been successfully electrodeposited from Iron-Nickel sulfate bath under several conditions: Fe/Ni molar ratio (0.1?0.5), current density (15?55 mA cm(?2)) and solution pH (2?4). The chemical composition, morphology, structure and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ef6075948719c1d4276247e8e5d07ae
https://hal.archives-ouvertes.fr/hal-03420058
https://hal.archives-ouvertes.fr/hal-03420058
Publikováno v:
Materials Chemistry and Physics. 122:439-443
Stacking faults probability, structure and microstructure parameters of different phases of ball milled Fe–50%Co powders have been quantitatively evaluated by X-ray diffraction profile analysis. It is observed that after short milling time, Co is f
Publikováno v:
Physics Procedia. 2(3):713-717
The protective effect of polyvinylpyrrolidone (PVP) on the palladium nanoparticles has been investigated using Fourier Transform Infrared Spectroscopy (FT-IR). Palladium nanoparticles have been obtained by ultrasonic irradiation of Pd(NO3)2 solution
Publikováno v:
Journal of Alloys and Compounds. 419:140-144
Nanostructured Fe–6 wt.%Mo powders were prepared by mechanical alloying in a high-energy planetary ball-mill. The structural changes and the kinetics of Mo dissolution were studied by using X-ray diffraction. The crystallite size reduction down to
Autor:
Abderrafik Nemamcha, Hayet Moumeni, S. Azzaza, Jean-Marc Greneche, Safia Alleg, Jean-Luc Rehspringer
Publikováno v:
Journal of Physics: Condensed Matter. 18:7257-7272
Nanostructured Fe and Fe50Co50 powders were prepared by high-energy ball milling. Microstructural and magnetic properties changes with milling time were followed by x-ray diffraction, differential scanning calorimetry and vibrating sample magnetometr
Publikováno v:
Journal of Alloys and Compounds. 386:12-19
Mechanical alloying of high purity elemental powders in a planetary ball mill (Fritsch pulverisette 7) was used to prepare nanocrystalline Fe and equiatomic FeCo powders. Morphology changes, structural properties and local iron environment variations