An EXAFS Study on Iron-Cobalt-Silica Nanocomposite Materials Prepared by the Sol-Gel Method |
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| Authors: | M.F. Casula A. Corrias G. Navarra |
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| Abstract: | The structural evolution of FeCo-SiO2 xerogel and aerogel nanocomposite samples during their sol-gel preparation have been studied by EXAFS (extended X-ray absorption fine structure) technique. Depending on the precursors of the alloy nanoparticles different intermediate are formed which have a strong influence on the formation of the FeCo alloy of the desired composition. The porous structure also plays an important role. |
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| Keywords: | precursor chemistry X-ray absorption spectroscopy nanocrystalline materials magnetic properties |
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