Abstract
One-pot polyol processing was successfully used for the preparation of FexNi100−x nanoparticles. By increasing Ni concentration in FexNi100−x alloy, the phase transition from bcc to fcc crystalline structure was clearly indicated by the XRD data as well as the measured hysteresis loops. FORC diagrams demonstrated that the prepared samples consist of single-domain magnetic particles with a uniform particle size. By changing the molar ratio of the precursors, different compositions of FeNi alloy were obtained. The influence of the temperature, solvent, surfactant, and amount of NaOH was also studied on the particle size, structure, and magnetic properties of the products.
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Financial support from Institute of Nanoscience and Nanotechnology of University of Kashan is highly acknowledged for providing financial support to undertake this work by Grant No. (159271/47).
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Mokarian, M.H., Almasi-kashi, M., Alikhanzadeh-Arani, S. et al. The fcc/bcc phase transition in FexNi100−x nanoparticles resolved by first-order reversal curves. J Mater Sci 52, 7831–7842 (2017). https://doi.org/10.1007/s10853-017-1025-6
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DOI: https://doi.org/10.1007/s10853-017-1025-6