Paper Title:
Synthesis and Magnetic Properties of Fe–Ni Alloy Nanoparticles Obtained by Hydrothermal Reaction
  Abstract

The magnetic properties of Fe-Ni alloy nanoparticles with particle size in the range 35-45 nm were prepared by almost simultaneously reducing Fe(II) and Ni(II) solution using hydrazine hydrate as a reducing agent in strong alkaline media for two hours at 80 °C. Chemical composition, crystal structure, morphology, thermal stability and magnetic properties of as synthesized Fe-Ni alloy nanoparticles were systematically characterized by means of XRD, TEM, TG-DSC and VSM. These results indicate that there is a vitally important relationship among particle size, particle morphology, and different mol ratio of FeSO4 to NiSO4. The saturation magnetization (Ms). and coercivity (Hc) strongly affected by the composition of Fe-Ni alloy nanoparticles. The hydrothermal reaction is a simple, effective, and low-cost synthetic method to prepare FeNi3 alloy nanoparticles.

  Info
Periodical
Advanced Materials Research (Volumes 239-242)
Edited by
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
Pages
748-753
DOI
10.4028/www.scientific.net/AMR.239-242.748
Citation
M. L. Yuan, J. H. Tao, L. Yu, C. Song, G. Z. Qiu, Y. Li, Z. H. Xu, "Synthesis and Magnetic Properties of Fe–Ni Alloy Nanoparticles Obtained by Hydrothermal Reaction", Advanced Materials Research, Vols. 239-242, pp. 748-753, 2011
Online since
May 2011
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$32.00
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