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Magnetic and exchange studies in amorphous $\mathsf{Co_{80-x}Ho_xB_{20}}$ alloys

Author

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  • O. Marrakechi
  • A. Kaal
  • S. Sayouri
  • M. Tlemçani
  • H. Lassri

Abstract

Amorphous Co 80-x Ho x B 20 alloys were prepared by melt spinning technique and their magnetic properties have been studied. The magnetic compensation occurs at about x=8. Antiferromagnetic coupling between Co and Ho prevails and breaks at relatively high-fields. The mean field theory has been used to explain the temperature dependence of the magnetization. The exchange interactions between Co-Co and Co-Ho atom pairs have been evaluated. Copyright Springer-Verlag Berlin/Heidelberg 2003

Suggested Citation

  • O. Marrakechi & A. Kaal & S. Sayouri & M. Tlemçani & H. Lassri, 2003. "Magnetic and exchange studies in amorphous $\mathsf{Co_{80-x}Ho_xB_{20}}$ alloys," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 34(4), pages 467-471, August.
    • Handle: RePEc:spr:eurphb:v:34:y:2003:i:4:p:467-471
    DOI: 10.1140/epjb/e2003-00245-9
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