Hyperfine Interactions

, Volume 69, Issue 1–4, pp 725–728 | Cite as

Short range order at the surfaces of annealed amorphous Fe40Ni40P14B6 ribbons

  • O. Donzelli
  • G. Fratucello
  • F. Ronconi
Non-Crystalline Materials


Conversion electron Mössbauer spectroscopy (CEMS) and gamma transmission Mössbauer spectroscopy were used to measure the effects of annealing at 583 K in vacuum into about 200 nm thick layer below the two surfaces and on the bulk of theFe 40 Ni 40 P 14 B 6 amorphous ribbons prepared by means of melt-spinning technique. The results show a large distribution of hyperfine magnetic fields on the bulk and in the surfaces of the samples. By means of selective analysis of hyperfine magnetic field distribution, we have evalueded the correlation between the different degree of short range orders at the surfaces and in the bulk of the samples, and the phosphorus segregation associated with mechanical cubrittlement induced at low annealing temperature.


Phosphorus Field Distribution Thick Layer Short Range Order Hyperfine Magnetic Field 
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Copyright information

© J.C. Baltzer A.G., Scientific Publishing Company 1991

Authors and Affiliations

  • O. Donzelli
    • 1
  • G. Fratucello
    • 1
  • F. Ronconi
    • 1
  1. 1.Dipartimento di FisicaUniversità di FerraraFerraraItalia

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