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Mössbauer study of amorphous Nd−Fe−B films and their crystallization processes

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Abstract

Amorphous Nd−Fe−B films prepared by rf sputtering and their crystallization processes have been investigated by Mössbauer spectroscopy. A preferable alignment of the magnetization was observed in the amorphous film with a low hyperfine field of 173 kOe. With crystallization the average hyperfine field increases sharply, and the preferable alignment of the magnetization vanishes rapidly. The spectrum of the sample annealed at 750°C with coercivityH c=15.7 kOe shows that only Nd2Fe14B phase exists.

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Authors and Affiliations

  1. Department of Physics, Nanjing University, Nanjing, China

    B. X. Gu, Y. Hsia, R. Liu & H. R. Zhai

  2. Ruhr-Universität Bochum, D-4630, Bochum, FRG

    H. Homburg & S. Methfessel

Authors
  1. B. X. Gu
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  2. Y. Hsia
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  3. R. Liu
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  4. H. R. Zhai
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  5. H. Homburg
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  6. S. Methfessel
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Gu, B.X., Hsia, Y., Liu, R. et al. Mössbauer study of amorphous Nd−Fe−B films and their crystallization processes. Hyperfine Interact 55, 957–960 (1990). https://doi.org/10.1007/BF02397106

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  • DOI: https://doi.org/10.1007/BF02397106

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