Orientational dependence of the oscillatory exchange interaction in Co/Cu/Co

M. T. Johnson; R. Coehoorn; J. J. de Vries; N.W.E. McGee; J. aan de Stegge; P.J.H. Bloemen

doi:10.1103/PhysRevLett.69.969

Orientational dependence of the oscillatory exchange interaction in Co/Cu/Co

M. T. Johnson, R. Coehoorn, J. J. de Vries, N.W.E. McGee, J. aan de Stegge, P.J.H. Bloemen

Applied Physics and Science Education

Research output: Contribution to journal › Article › Academic › peer-review

164 Citations (Scopus)

Abstract

A strong oscillatory exchange coupling has been discovered in epitaxial (111) and (110) Co/Cu/Co sandwiches with wedge-shaped Cu layers, deposited by molecular-beam epitaxy (MBE) on single-crystal substrates. This finding proves the intrinsic nature of the strong antiferromagnetic coupling in (111)-textured sputtered Co/Cu multilayers. Combined with recent results on (100) Co/Cu/Co MBE-grown samples, it becomes evident that the nature of the oscillations in Co/Cu/Co depends markedly on growth direction, agreeing with predictions invoking the topology of the Fermi surface of the interlayer Cu.

Original language	English
Pages (from-to)	969-972
Number of pages	4
Journal	Physical Review Letters
Volume	69
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.69.969
Publication status	Published - 1 Jan 1992

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abstract = "A strong oscillatory exchange coupling has been discovered in epitaxial (111) and (110) Co/Cu/Co sandwiches with wedge-shaped Cu layers, deposited by molecular-beam epitaxy (MBE) on single-crystal substrates. This finding proves the intrinsic nature of the strong antiferromagnetic coupling in (111)-textured sputtered Co/Cu multilayers. Combined with recent results on (100) Co/Cu/Co MBE-grown samples, it becomes evident that the nature of the oscillations in Co/Cu/Co depends markedly on growth direction, agreeing with predictions invoking the topology of the Fermi surface of the interlayer Cu.",

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AU - Johnson, M. T.

AU - Coehoorn, R.

AU - de Vries, J. J.

AU - McGee, N.W.E.

AU - aan de Stegge, J.

AU - Bloemen, P.J.H.

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Orientational dependence of the oscillatory exchange interaction in Co/Cu/Co

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