Hyperfine Interactions

, Volume 54, Issue 1–4, pp 799–803 | Cite as

Hyperfine magnetic fields in Fe−Co alloys and their tempera ture dependences

  • Brent Fultz
  • Hussein Hamdeh
  • James Okamoto
Metals and Alloys


We obtained57Fe hyperfine field parameters from Fe1x-Co x alloys (0≤x≤0.6) from 77 K to 900 K. We first discuss the origin of the low temperature hyperfine fields in terms of the 3d and 4s electrons at57Fe atoms. The57Fe hyperfine magnetic field (hmf) of Fe-Co alloys depends more weakly on temperature than the hmf of pure Fe. This temperature dependence occurs because the alignment of the magnetic moments at both the Fe atoms and at the Co atoms depend on temperature in the same way as the bulk magnetization of Fe-Co alloys.


Magnetic Field Thin Film Field Parameter Hyperfine Field Ture Dependence 
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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1990

Authors and Affiliations

  • Brent Fultz
    • 1
  • Hussein Hamdeh
    • 1
  • James Okamoto
    • 1
  1. 1.California Institute of TechnologyPasadenaUSA

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