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Theoretical Study of the Magnetic Anisotropy of Ni Films on Cu(001)

Published online by Cambridge University Press:  15 February 2011

M. Freyss ,
R. Lorenz ,
H. Dreysse  and
J. Hafner
M. Freyss
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg, Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France.
R. Lorenz
Affiliation:
Institut für theorische Physik, Technische Universität Wien, Wiedner Haupstrasse 8–10/136, 1040 Wien, Austria.
H. Dreysse
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg, Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France.
J. Hafner
Affiliation:
Institut für theorische Physik, Technische Universität Wien, Wiedner Haupstrasse 8–10/136, 1040 Wien, Austria.
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Abstract

The anisotropy properties of Ni films on Cu(001) are quite unusual compared to other systems: The magnetization direction of Ni is in-plane for a coverage smaller than a critical thickness of 7 monolayers and out-of-plane for a coverage larger than 7 monolayers. As a first step in the study of this unusual behaviour, we report results of ab-initio calculations of the magnetic order of Ni films on a Cu(001) substrate. The magnetic moments are computed by means of the real-space Tight-Binding LMTO method allowing non-collinear magnetic moments and including spin-orbit coupling to account for magnetic anisotropy effects. As the number of Ni layers is increased, we discuss the stability of the system with a magnetization in-plane or out-of-plane.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 475: Symposium M – Magnetic Ultrathin Films, Multilayers, and Surfaces – 1997 , 1997 , 507
Copyright
Copyright © Materials Research Society 1997

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References

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