Tailored super magnetic nanoparticles synthesized via template free hydrothermal technique

Magnetite nanoparticles of controlled shape and dimensions were synthesized using a modified hydrothermal technique. The influence of different synthesis conditions on the shape, size (length and diameter), structure and magnetic properties of the prepared nanoparticles is presented. The mineral pha...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2016-01, Vol.397, p.164-175
Main Authors: Attallah, Olivia A., Girgis, E., Abdel-Mottaleb, Mohamed M.S.A.
Format: Article
Language:English
Subjects:
Controlled synthesis
Hexagons
Hydrothermal
Magnetic properties
Magnetite
Morphology
Nanoparticles
Nanospheres
Phases
Saturation (magnetic)
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Summary:Magnetite nanoparticles of controlled shape and dimensions were synthesized using a modified hydrothermal technique. The influence of different synthesis conditions on the shape, size (length and diameter), structure and magnetic properties of the prepared nanoparticles is presented. The mineral phases, the morphologies, size distribution of the resulting magnetic nanoparticles and their magnetic properties were characterized using different characterization methods. We designed magnetite nanoparticles with different morphologies (nanospheres, nanorods, nanocubes and hexagons) and with improved saturation magnetization reaching 90emu/g. [Display omitted] •We synthesized iron oxide nanoparticles with high magnetization (90emu/g), controlled shape and particle size via a novel hydrothermal technique.•Variation in synthesis conditions as reactants ratio, reaction time and temperature had a significant effect on morphology, structure, and magnetics of particles.•Magnetite nanoparticles of different shapes (nanorods, hexagonals, spheres and squares) were obtained.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2015.08.063