H.C. Siegmann, P.S. Bagus
Physical Review B
Paper
Simple model for thin ferromagnetic films exchange coupled to an antiferromagnetic substrate
Abstract
The exchange field Hex transferred from a thick antiferromagnetic substrate to a thin exchange coupled ferromagnetic film is shown to reach a limiting value no matter how large the exchange coupling is. The limit is due to domain-wall formation in the antiferromagnet. Numerical results based on a simple model for the interface are presented and compared to experimental results.
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