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Effect of Cap-Layers on Interlayer Exchange Coupling

Published online by Cambridge University Press:  15 February 2011

J. Kudrnovský,
V. Drchal,
P. Bruno,
R. Coehoorn,
J.J. De Vries,
K. Wildberger,
P.H. Dederichs and
P. Weinberger
J. Kudrnovský
Affiliation:
Institute of Physics AS CR, CZ-180 40 Praha 8, Czech RepublicCenter for Materials Science, Technical University, A-1060 Vienna, Austria
V. Drchal
Affiliation:
Institute of Physics AS CR, CZ-180 40 Praha 8, Czech RepublicCenter for Materials Science, Technical University, A-1060 Vienna, Austria
P. Bruno
Affiliation:
Institut d'Électronique Fondamentale, Université Paris-Sud, F-91405 Orsay, France
R. Coehoorn
Affiliation:
Philips Research Laboratories, NL-5656 AA Eindhoven, The Netherlands
J.J. De Vries
Affiliation:
Philips Research Laboratories, NL-5656 AA Eindhoven, The NetherlandsEindhoven University of Technology, NL-5600 MB Eindhoven, The Netherlands
K. Wildberger
Affiliation:
Forschungszentrum Jülich, IFF, D-52425 Jiilich, Germany
P.H. Dederichs
Affiliation:
Forschungszentrum Jülich, IFF, D-52425 Jiilich, Germany
P. Weinberger
Affiliation:
Center for Materials Science, Technical University, A-1060 Vienna, Austria
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Abstract

The effect of non-magnetic cap-layers on the amplitudes and the phases of the oscillations of interlayer exchange coupling (IEC) is studied theoretically on ab initio level. We employ a spin-polarized surface Green function technique within the tight-binding linear muffin-tin orbital method and the Lloyd formulation of the IEC. Application is made to Co/Cu/Co(001) trilayers with Cu-cap layers interfacing vacuum through the dipole barrier.

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References

REFERENCES

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