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Mössbauer study of Y2Fe17N x (x < 3) nitrides

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Abstract

57Fe Mössbauer spectra of Y2Fe17Nx nitrides were measured. The hyperfine field (H hf) and the average isomer shift for Y2Fe17 increase obviously after nitrogenation. Forx≥1.1, however, the averageH hf varies only slightly, while the increase ofH hfat each iron site is somewhat different and more pronounced at 4f dumbbell sites than at the other sites when the nitrogen concentration is increased. This means that the influence of the nitrogen atoms on the local magnetic properties of the iron atoms depends sensitively on the configuration of the nearest-neighbor atoms around the iron atoms. The results are compared with the89Y NMR spectra of Y2Fe17N x .

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Authors and Affiliations

  1. Department of Physics, Lanzhou University, 730000, Lanzhou, P.R. China

    Ji-Jun Sun, De-Sheng Xue, Zhao-Hua Cheng & Fa-Shen Li

  2. State Key Magnetism Laboratory, Institute of Physics, Chinese Academy of Sciences, 100080, Beijing, PR China

    Bao-Gen Shen

Authors
  1. Ji-Jun Sun
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  2. De-Sheng Xue
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  3. Zhao-Hua Cheng
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  4. Fa-Shen Li
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  5. Bao-Gen Shen
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Additional information

This project was supported by the National Natural Science Foundation and the State Key Magnetism Laboratory of China.

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Sun, JJ., Xue, DS., Cheng, ZH. et al. Mössbauer study of Y2Fe17N x (x < 3) nitrides. Hyperfine Interact 94, 1965–1970 (1994). https://doi.org/10.1007/BF02063724

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  • DOI: https://doi.org/10.1007/BF02063724

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