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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Shaaban, E. R.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Structural and magnetic properties of SmCo/Co nanocomposites elaborated using sol–gel auto-combustion strategy
- 2011Sintering behavior and devitrification kinetics of iron containing clinopyroxene based magnetic glass-ceramicscitations
- 2010Development and performance of diopside based glass-ceramic sealants for solid oxide fuel cellscitations
- 2010Structure, Sintering, and Crystallization Kinetics of Alkaline-Earth Aluminosilicate Glass-Ceramic Sealants for Solid Oxide Fuel Cellscitations
- 2009The effect of fluoride ions on the structure and crystallization kinetics of La2O3-containing diopside based oxyfluoride glassescitations
- 2009Microstructural parameters and optical constants of ZnTe thin films with various thicknessescitations
- 2009Thermal stability and crystallization kinetics of ternary Se-Te-Sb semiconducting glassy alloyscitations
- 2009Crystallisation kinetics of diopside-Ca-Tschermak based glasses nucleated with Cr 2O 3 and Fe 2O 3citations
- 2009Structure and crystallization behaviour of some MgSiO3-based glassescitations
- 2009Effect of BaO on the crystallization kinetics of glasses along the Diopside-Ca-Tschermak joincitations
- 2008Influence of ZnO on the crystallization kinetics and properties of diopside-Ca-Tschermak based glasses and glass-ceramicscitations
- 2008Study of crystallization kinetics in glasses along the diopside-Ca- Tschermak joincitations
- 2008Crystallization kinetics of BaO-ZnO-Al2O3-B2O3-SiO2 glasscitations
- 2007Non-isothermal crystallization kinetic studies on MgO-Al2O3-SiO2-TiO2 glasscitations
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article
Structural and magnetic properties of SmCo/Co nanocomposites elaborated using sol–gel auto-combustion strategy
Abstract
<jats:title>Abstract</jats:title><jats:p>Sm–Co nanomagnetic material has received much attention recently since it is thought to be the next generation of permanent magnets with potential uses in energy technologies. Here, ethylenediaminetetraacetic acid (EDTA) is utilized for the first time as a fuel source in a sol–gel auto-combustion process to synthesize Sm–Co nanoparticles. Then, reduction–diffusion process strategy followed the auto-combustion pathway. Typically, Sm<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> and Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub> nanoparticles were prepared by combining Sm and Co nitrates with the chelating agent EDTA. The Sm–Co nanocomposites were subsequently created by reductively annealing precursor oxides using calcium powder. To display the temperature-dependent breakdown of the original precursor and determine the correct annealing temperature, TGA was employed to identify the annealing temperature and the precursor products. Additionally, other physical characterization techniques such as XRD, FE-SEM, EDX, and VSM were used for further investigations. Three distinct Sm<jats:sub>1</jats:sub>Co<jats:sub><jats:italic>x</jats:italic></jats:sub> compositions with different cobalt ratios (<jats:italic>x</jats:italic> = 4.0, 3.5, and 2.0) were prepared and studied. The findings demonstrate that the composition Sm<jats:sub>1</jats:sub>Co<jats:sub><jats:italic>x</jats:italic></jats:sub> (<jats:italic>x</jats:italic> = 2.0) led to the formation of hard phases of SmCo<jats:sub>5</jats:sub>, Sm<jats:sub>2</jats:sub>Co<jats:sub>7</jats:sub>, and Sm<jats:sub>2</jats:sub>Co<jats:sub>17</jats:sub>. These particles’ morphology reveals that they are made up of nanowires with an average thickness of 25 nm. As well, according to the VSM findings, this composite had the highest coercivity <jats:italic>H</jats:italic><jats:sub><jats:italic>c</jats:italic></jats:sub> and a maximum squareness ratio <jats:italic>M</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub>/<jats:italic>M</jats:italic><jats:sub><jats:italic>s</jats:italic></jats:sub>, which were 2161 Oe and 0.57, respectively.</jats:p>