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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 Republic Center for Materials Science, Technical University, A-1060 Vienna, Austria
V. Drchal
Affiliation:
Institute of Physics AS CR, CZ-180 40 Praha 8, Czech Republic Center 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 Netherlands Eindhoven 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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 475: Symposium M – Magnetic Ultrathin Films, Multilayers, and Surfaces – 1997 , 1997 , 575
Copyright
Copyright © Materials Research Society 1997

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References

REFERENCES

1. For a recent review of the theory and experiment see articles of Parkin, S.S.S., Hathaway, K.B., and Fert, A. and Bruno, P., in Ultrathin Magnetic Structures II, eds. Heinrich, B. and Bland, J.A.C. (Springer, Berlin, 1994).Google Scholar
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Drchal, V., Kudrnovský, J., Turek, I., and Weinberger, P., Phys. Rev. B 53, 15036 (1996).Google Scholar