Ruderman-Kittel theory of oscillatory interlayer exchange coupling

P. Bruno and C. Chappert
Phys. Rev. B 46, 261 – Published 1 July 1992
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Abstract

We present a Ruderman-Kittel approach to the problem of oscillatory exchange coupling between ferromagnetic layers separated by a nonmagnetic metal spacer. This model provides a very simple explanation for the occurrence of long periods as well as multiperiodic oscillations, and is valid for arbitrary crystal structure and Fermi surface. The role of defects, such as misfit dislocations and interfacial roughness, is discussed.

  • Received 13 December 1991

DOI:https://doi.org/10.1103/PhysRevB.46.261

©1992 American Physical Society

Authors & Affiliations

P. Bruno and C. Chappert

  • Institut d‘Electronique Fondamentale, Bâtiment 220, Université Paris-Sud, F-91405 Orsay CEDEX, France

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Vol. 46, Iss. 1 — 1 July 1992

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