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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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Ebrahimi, S. A. Seyyed
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Topics
Publications (5/5 displayed)
- 2022Inducing Dzyaloshinskii–Moriya interaction in symmetrical multilayers using post annealingcitations
- 2008influence of ph on physical properties of nickel zinc nanocrystalline powders synthesized by a sol gel auto combustion methodcitations
- 2008investigation of the effective parameters on the synthesis of ni ferrite nanocrystalline powders by coprecipitation methodcitations
- 2008influence of different calcination conditions on the microstructure and phase constitution of nickel zinc ferrite nanocrystalline powders prepared by a sol gel auto combustion methodcitations
- 2006optimization of the fe sr ratio in processing of ultrafine strontium hexaferrite powders by a sol gel autocombustion methodcitations
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article
optimization of the fe sr ratio in processing of ultrafine strontium hexaferrite powders by a sol gel autocombustion method
Abstract
A novel sol-gel autocombustion method has been used to synthesize ultrafine particles of strontium hexaferrite. The nitrate citrate gels were prepared from metal nitrates and citric acid with various molar ratios of Fe/Sr. The results showed that the nitrate citrate gel exhibits a self-propagating behavior after ignition in air. The resultant powders with different molar ratios of Fe/Sr were investigated by the differential thermal analysis, thermal gravimetry, and X-ray diffraction techniques. The investigations showed that there was an optimum molar ratio for Fe/Sr in which the calcination temperature for obtaining single-phase strontium hexaferrite is minimum. Scanning electron microscopy was also used to characterize the microstructure of the products. The crystallite size of the resultant powder was about 40 to 50 nm.