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Interaction between magnetic and compositional order in Ni-rich Ni Fe alloys (invited)

Journal of Applied Physics, ISSN: 0021-8979, Vol: 61, Issue: 8, Page: 3693-3696
1987
  • 45
    Citations
  • 0
    Usage
  • 7
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    45
    • Citation Indexes
      45
  • Captures
    7

Article Description

We have developed a first-principles electronic theory of concentration fluctuations in spin polarized binary alloys. It is a mean field theory of the state of compositional order and it is based on the local spin density (LSD) approximation for describing the electrons. The usual averages over the statistical mechanical ensemble are carried out with the aid of the self-consistent Korringe-Kohn-Rostoker coherent-potential approximation (SCF-KKR-CPA). To illustrate the main consequences of the theory we study the compositional short-range order in the NiFe alloy system. We find that the ordering energy is almost entirely of magnetic origin.

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