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

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Abstract.

Amorphous Co80-x Ho x B20 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.

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Authors and Affiliations

  1. Laboratoire de Physique Théorique et Appliquée (LPTA), Faculté des Sciences Dhar Mahraz, BP 1796, Fés Atlas, Morocco

    O. El Marrakechi, A. Kaal, S. Sayouri & M. Tlemçani

  2. Laboratoire de Physique de la Matière Condensée et de l’Environnement (LPMCE), E.N.S., Fés-Bensouda, Morocco

    M. Tlemçani

  3. Laboratoire de Physique des Matériaux et de Microélectronique, Université Hassan II, Faculté des Sciences, Aïn Chock, Route d’El Jadida, km-8, BP 5366, Casablanca, Morocco

    H. Lassri

Authors
  1. O. El Marrakechi
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  2. A. Kaal
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  3. S. Sayouri
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  4. M. Tlemçani
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  5. H. Lassri
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Corresponding author

Correspondence to S. Sayouri.

Additional information

Received: 7 June 2003, Published online: 9 September 2003

PACS:

75.50.Kj Amorphous and quasicrystalline magnetic materials - 75.30.Et Exchange and superexchange interactions

S. Sayouri: ssayouri@yahoo.com

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Marrakechi, O.E., Kaal, A., Sayouri, S. et al. Magnetic and exchange studies in amorphous \(\mathsf{Co_{80-x}Ho_xB_{20}}\) alloys. Eur. Phys. J. B 34, 467–471 (2003). https://doi.org/10.1140/epjb/e2003-00245-9

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  • DOI: https://doi.org/10.1140/epjb/e2003-00245-9

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