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Magnetic properties of fcc (Co95Fe5)1-xAlx ribbons

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Abstract

Rapidly quenched (Co95Fe5)1-xAlx ribbons are investigated by X‐ray diffraction, magnetization, and Mössbauer effect measurements. A single fcc phase is obtained for all ribbons x ⩽ 10 at.%. The lattice constant increases linearly with x and is discussed in connection with magnetic moment. The influence of Al substitution on both magnetization and Fe‐atom hyperfine field (H) is studied. At 296 K, the magnetization decreases linearly while H drops nonlinearly as x increases. Al substitution leads to substantial differences in iron hyperfine fields in bcc and fcc systems. Fe moment is perturbed differently by Al substitution in fcc (Co95Fe5)1-xAlx and bcc Fe–Al systems.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science, Assiut University, Assiut, 71516, Egypt

    Salah A. Makhlouf & Salah A. Makhlouf

  2. Center for Magnetic Recording Research, University of California at San Diego, La Jolla, CA, 92093‐0401, USA

    F.T. Parker & T. Benameur

Authors
  1. Salah A. Makhlouf
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  2. F.T. Parker
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  3. T. Benameur
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Makhlouf, S.A., Parker, F. & Benameur, T. Magnetic properties of fcc (Co95Fe5)1-xAlx ribbons. Hyperfine Interactions 122, 223–231 (1999). https://doi.org/10.1023/A:1012670328760

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