Magnetic properties of antiferromagnetic superlattices

Shufeng Zhang, Guihua Zhang

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Abstract

The temperature dependence of the magnetic properties of magnetic superlattices by using the Bethe approximation to the inhomogeneous Ising model is studied. A self-consistent equation which determines the variation of the magnetic moment for any layer thicknesses is derived. In particular, the crossover from bulk-dominated behavior for large thicknesses of layers to interface-dominated behavior for small thicknesses is discussed. The results both qualitatively and quantitatively differ from mean-field theory; the experimental observation for FeF2/CoF2 and CoO/NiO superlattices is explained.

Original languageEnglish (US)
Pages (from-to)6685-6687
Number of pages3
JournalJournal of Applied Physics
Volume75
Issue number10
DOIs
Publication statusPublished - 1994
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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