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March 1, 1979Physical review. B, Condensed matter

The magnetism of iron

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Authors

JHJohn P. HubbardTulane University

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Implication

Theoretical modeling demonstrates consistent Curie temperatures from exchange field configurations in ferromagnetic iron, suggesting a reconciliation of itinerant and localized magnetic models.

Key Points

  • To develop a theoretical framework that reconciles localized-electron and itinerant-electron descriptions of ferromagnetic metals like iron.
  • Modeled thermal averages over distributions of exchange field configurations V representing localized spin configurations.
  • Calculated effective configuration energies E(V) using the band structure of ferromagnetic iron.
  • Calculations yielded effective configuration energies reasonably consistent with the experimentally observed Curie temperature of iron.
  • Model demonstrated Heisenberg-like magnetic behavior despite the presence of exchange fields of approximately 1–2 eV.

Cite This Study

John P. Hubbard (1979) studied this question.

synapsesocial.com/papers/6a187bba1ca866914fc9b2c5https://doi.org/10.1103/physrevb.19.2626
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