Phys. Rev. Lett. 79, 4270–4273 (1997)Long-Range Exchange Bias across a Spacer LayerReceived 22 July 1997; published in the issue dated 24 November 1997 Ferromagnet (FM)/antiferromagnet (AF) exchange bias, heretofore considered due to nearest-neighbor exchange coupling at the FM/AF interface, has been found to be long range. Using trilayers of FM/spacer/AF with Ag, Au, and Cu as spacer layer materials, the strength of the observed exchange coupling decays exponentially and extends to as much as 50 Å. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.4270
DOI:
10.1103/PhysRevLett.79.4270
PACS:
75.70.Cn, 75.30.Gw
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