Synthesis of FeNi Alloy Nanomaterials by Proteic Sol-Gel Method: Crystallographic, Morphological, and Magnetic Properties
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Hindawi Publishing Corp
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Proteic Sol-Gel method was used for the synthesis of FeNi alloy at different temperature conditions and flow reduction. The solids were characterized by XRD, H-2-TPR, SEM, TEM, Mossbauer spectroscopy, and VSM. It was observed by X-ray diffraction pure FeNi alloy in the samples reduced at 600 degrees C (40 mL/min H-2 flow) and 700 degrees C (25 mL/min H-2 flow). The FeNi alloy presented stability against the oxidizing atmosphere up to 250 degrees C. Themorphology exhibited agglomerates relatively spherical and particles in the range of 10-40 nm. Mossbauer spectroscopy showed the presence of disordered ferromagnetic FeNi alloy, and magnetic hysteresis loop revealed a typical behavior of soft magnetic material.
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Journal Of Nanomaterials. New York: Hindawi Publishing Corp, 9 p., 2016.
