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Synthesis, Structure and Magnetization Behaviors of MnBi/Fe3B/Nd2Fe14B Nanocomposite alloy
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  • Journal title : Journal of Magnetics
  • Volume 21, Issue 2,  2016, pp.235-238
  • Publisher : The Korean Magnetics Society
  • DOI : 10.4283/JMAG.2016.21.2.235
 Title & Authors
Synthesis, Structure and Magnetization Behaviors of MnBi/Fe3B/Nd2Fe14B Nanocomposite alloy
Yang, Y.; Wu, Q.; Hu, Y.C.; Zhang, P.Y.; Ge, H.L.;
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Microstructure and magnetization behaviors of nanocomposite alloy have been investigated. It was found that the coercivity increased firstly and then decreased, and saturation magnetization decreased with the additon of MnBi alloy. The addition of 40 wt.% MnBi powder enhanced the coercivity from 192.8 kA/m to 311.2 kA/m. The and D(H)-H plots suggested the occurrence of a stronger exchange-coupling occurring between the hard and soft magnetic phase for this sample. The dependence of coercivity with temperature was discussed in 40 wt.% / 60 wt.% alloy powder, and a positive temperature coefficient was founded from 298 K to 350 K.
nanocomposite alloy;coercivity;exchange coupling interaction;
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