Magnetic properties of an individual Fe-Cu-B nanoparticle

  • Duxin N
  • Pileni M
  • Wernsdorfer W
 et al. 
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Abstract

Superparamagnetic elongated Fe-Cu-B alloys were prepared in aqueous solution via sodium borohydride reduction of copper and iron dodecyl sulfate, Cu(DS)(2) and Fe(DS)(2). The magnetization reversal of an individual Fe-Cu-B nanoparticle can be described by uniform rotation of magnetization and by thermal activation over a single-energy barrier as originally proposed by Neel and Brown.

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Authors

  • N. Duxin

  • M. P. Pileni

  • W. Wernsdorfer

  • B. Barbara

  • A. Benoit

  • D. Mailly

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