Synthesis of CoxCu1-x alloy nanoparticles from double complex salts, study of magnetic properties and magnetoimpedance effect
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CHCONF02_034
تاریخ نمایه سازی: 9 مرداد 1395
Abstract:
Magnetic Cu–Co alloy nanoparticles have been prepared by a chemical reduction method of double complex salts (DCSs). In this method Cu–Co alloy nanoparticles have been prepared from [Co(NH3)6][CuCl5] (DCS1), [Co(NH3)5H2O][CuCl5] (DCS2) and [CoNH3)4(H2O)2][CuCl5] (DCS3) coordination complexes. Reduction of these complexes was occurred in ethanolic aqueous solution by hydrazine monohydrate. In order to characterize the synthesized compounds we have used XRD, EDX, SEM and IR spectroscopy. Magnetic properties and giant magnetoimpedance are investigated in Cu–Co nanoalloys. These alloys demonstrate ferromagnetic behavior which is due to presence of Co in the alloys. This property makes them as an excellent candidate for technological applications such as magnetic devices or sensors based on magnetoimpedance effect. The relative phase abundances of Cu and Co were carried out with the GSAS software. The results of the Rietveld refinements show a good agreement between the observed pattern and the calculated values.
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Authors
Mansoure Shahrokh
Department of Inorganic Chemistry, University of Kashan
Seyyed Abolghasem Kahani
Department of Inorganic Chemistry, University of Kashan
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