Zobrazeno 1 - 10
of 97
pro vyhledávání: '"N. Okasha"'
Publikováno v:
Journal of Scientific Research in Science, Vol 40, Iss 1, Pp 142-167 (2023)
In this study, Spinel nano ferrite (MFe2O4) ferrite powders were prepared by auto-combustion reaction. Nanoparticles have been synthesized by sol-gel method using citric acid as chemical catalyst while graphene Oxide prepared using Hammer technique a
Externí odkaz:
https://doaj.org/article/4b05dbeb19f54526bf212b42091c34d6
Autor:
N.G. Imam, Mennatallah AbouHasswa, Giuliana Aquilanti, S.I. El Dek, N. Okasha, Ahmed A.G. Al Shahawy
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 4130-4146 (2021)
We have synthesized and characterized the surface-modified nanoparticles (NPs) of Co0.2Fe2.8O4/x polyethylene glycol (PEG) (x = 0, 10, 20, 30, and 40%). The magnetic behavior was correlated with the electronic and structural properties by combining d
Externí odkaz:
https://doaj.org/article/bff27e9826e044c2958f5a9e5e187638
Publikováno v:
Journal of Scientific Research in Science, Vol 37, Iss 1, Pp 73-91 (2020)
This work has been focused on the synthesis of the raw materials iron oxide nanoparticles; hematite (α -Fe2O3) from Iron (II) chloride tetra hydrate (FeCl2-4H2O) and iron (III) chloride hexahydrate (FeCl3-6H2O) using Solid State Chemical Reaction te
Externí odkaz:
https://doaj.org/article/14ebd9ebf68e43f5b67040ef69b574a0
Publikováno v:
Egyptian Journal of Chest Disease and Tuberculosis, Vol 62, Iss 4, Pp 589-592 (2013)
Background: Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic fibrosing interstitial pneumonia limited to the lung, with the histopathology of UIP on surgical lung biopsy. Recent epidemiological evidence indicates that pati
Externí odkaz:
https://doaj.org/article/1513c0408f854509a8ffb7f62c798495
Publikováno v:
Journal of Materials Science: Materials in Electronics. 33:7945-7959
Multiferroic (x)BaTiO3/(1 − x)Li0.5Fe2.5O4 (0.0 ≤ x ≤ 1) perovskite/spinel nanocomposite was synthesized using a modified citrate auto-combustion method. Both BaTiO3 (BTO) and Li0.5Fe2.5O4 (LFO) phases along with their composites were successfu
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:21492-21510
Multiferroic nanocomposites (1−y)Li0.5Fe2.5O4/(y)BaTiO3 (y = 0.0, 0.2, 0.4, 0.6, 0.8, and1.0) were synthesized by modified citrate autocombustion. XRD, FTIR, and XANES techniques were used for average crystal, chemical, and electronic/local structu
Publikováno v:
Journal of Scientific Research in Science. 37:73-91
This work has been focused on the synthesis of the raw materials iron oxide nanoparticles; hematite (α -Fe2O3) from Iron (II) chloride tetra hydrate (FeCl2-4H2O) and iron (III) chloride hexahydrate (FeCl3-6H2O) using Solid State Chemical Reaction te
Publikováno v:
Journal of Alloys and Compounds. 737:356-364
Nanocrystalline magnetite MxFe3-xO4 at x = 0.0 (pure magnetite) and M = Mn2+, Co2+, Ni2+ at x = 0.3 were prepared by co-precipitation method. The structural, morphological, and magnetic properties were examined before and after gamma -irradiation wit
Publikováno v:
Journal of Alloys and Compounds. 739:577-585
Nanocrystalline Li 0.5-x Ag x Fe 2.5 O 4 ; 0 ≤ x ≤ 1 samples were prepared using the citrate autocombustion technique. X-ray diffraction results indicate a single-phase spinel structure. The saturation and remanent magnetization of the samples ha
Publikováno v:
Journal of Alloys and Compounds. 689:1051-1058
In this paper, we report a comparative study of rare-earth (RE = Y, Nd, Ce, and La) ions substituted Bi 1−x−y Sr x RE y FeO 3 (BSRFO) at y = 0.03 and x = 0.4 nanomultiferroic system. The samples were successfully synthesized using flash autocombu