Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Safia Alleg"'
Autor:
Ahlem Bekhouche, Safia Alleg, Karima Dadda, Benilde F. O. Costa, Asma Wederni, Joan-Josep Suñol
Publikováno v:
Magnetochemistry, Vol 10, Iss 8, p 59 (2024)
The impact of Co-addition (x = 0, 2, 4, and 6 at. %) in the as-cast and annealed Ni50Mn37.5Sn12.5 Heusler alloy at 900 °C for 24 h on the microstructure, magnetic properties, and the martensitic transition was studied using X-ray diffraction (XRD),
Externí odkaz:
https://doaj.org/article/0eca737802de4b128a7651af363ed8da
Publikováno v:
Crystals, Vol 13, Iss 10, p 1483 (2023)
High-entropy FeCoCrNiMn (C1) and FeCoCrNiMn10Al10 (C2) alloys (HEAs) were mechanically alloyed for 24 h and heated to 900 °C (C1_900 °C and C2_900 °C). The powders were also compacted into pellets (C1_pellet and C2_pellet) and sintered at 500 °C
Externí odkaz:
https://doaj.org/article/0452eec6a1644f6098f36e43506b9680
Autor:
Karima Dadda, Safia Alleg, Saida Souilah, Jason Daza, Joan Saurina, Joan-Josep Suñol, Lotfi Bessais, El-Kebir Hlil
Publikováno v:
Magnetochemistry, Vol 8, Iss 12, p 179 (2022)
Heusler alloy with an atomic composition of Ni51.82Mn32.37In15.81 was prepared by melt spinning from arc-melted ingots. X-ray diffraction, scanning electron microscopy and magnetic measurements were used to study the structural, microstructural and m
Externí odkaz:
https://doaj.org/article/def1e2ee65e54b0495e1cd8e4347222f
Autor:
Rima Drablia, Safia Alleg, Nour-Eddine Fenineche, Lluisa Escoda, Joan-Josep Suñol, Jean-Marc Greneche
Publikováno v:
Metals, Vol 12, Iss 10, p 1620 (2022)
A disordered ε-FeSi crystalline structure was produced by selective laser melting in Fe92.4Si3.1B4.5 powder alloys fabricated with different laser powers at a laser scanning speed of 0.4 m/s. The phase formation, microstructure, roughness, microhard
Externí odkaz:
https://doaj.org/article/f0724546be83481db06874178917a534
Publikováno v:
Magnetochemistry, Vol 7, Iss 5, p 63 (2021)
Structural, microstructural, and magnetic properties of Heusler Ni50Mn50−xInx (x = 5 and 10) ribbons have been investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDS), diff
Externí odkaz:
https://doaj.org/article/84272cea10f84124a4c8def92c551a8d
Autor:
Safia Alleg, Thaounza Chabi, Nadia Bensebaa, Joan Saurina, Lluisa Escoda, El-Kebir Hlil, Joan-Josep Suñol
Publikováno v:
Materials, Vol 13, Iss 20, p 4476 (2020)
Microstructure as well as magnetic, thermal and magnetocaloric properties of the mechanically alloyed Fe72Nb8B20 powders have been investigated by means of Mössbauer spectrometry, differential scanning calorimetry (DSC), and magnetic measurements. T
Externí odkaz:
https://doaj.org/article/cdd81044983e4e189520f50497e25d88
Autor:
Bechir Yahmadi, Olfa Kamoun, Badriyah Alhalaili, Safia Alleg, Ruxandra Vidu, Najoua Kamoun Turki
Publikováno v:
Nanomaterials, Vol 10, Iss 8, p 1507 (2020)
Undoped as well as (Co, Mn) co-doped Zinc oxides have been effectively developed on glass substrates, taking advantage of the spray pyrolysis procedure. The X-ray diffraction XRD as well as X-ray photoelectron spectroscopy (XPS) measurements have rec
Externí odkaz:
https://doaj.org/article/8506fd545fe34f90bbde1163401be2d2
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:24548-24559
Nanocrystalline nickel-deficient ferrites have been prepared by a facile co-precipitation method using different Fe/Ni ratios. The obtained powders were studied by X-ray diffraction (XRD), scanning electron microscopy equipped with energy-dispersive
Publikováno v:
Arabian Journal for Science and Engineering. 46:9083-9099
First-principles calculations were performed on the cubic rocksalt Cd0.75TM0.25O (TM = Mn, Fe, Co, and Ni) compounds to investigate the effect of 3d transition metals (TM) substitution on the structure, magnetic, electronic, and elastic characteristi
Publikováno v:
Annales de Chimie - Science des Matériaux. 45:43-50
Nanocrystalline and thermally stable hydroxyapatite (HA) powder with nominal composition of Ca10(PO4)6(OH)2 was prepared by wet chemical route from calcium hydroxide Ca(OH)6 and mono ammonium phosphate NH4H2PO4 as calcium and phosphate sources, respe