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Noncollinear magnetic structure of Fe/Cr interfaces

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Journal of Magnetism and Magnetic Materials

Volumes 198-199
1 June 1999
Pages 471-473

PII: S0304-8853(98)01154-8
Copyright © 1999 Elsevier Science B.V. All rights reserved.

V. M. Uzdin ^,^,^a, A. Mokrani^b, C. Demangeat^c and N. S. Yartseva^d

^a Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, D-40225, Düsseldorf, Germany
^b GPSE, 2, rue de la Houssiniere, 44322 Nantes, France
^c IPCMS, 23, rue du Loess, 67037 Strasbourg, France
^d Institute of Metal Physics, GSP-170, Ekaterinburg, 620219, Russia

Available online 7 January 2000.

A new method based on the periodic Anderson model is developed for a vector description of the magnetic moments near a stepped Fe/Cr interface. The method allows one to perform self-consistent calculations of local magnetic moment and d-electron numbers on a given atomic site for different orientations of the moment relative to the quantization axis. The self-consistent solution with minimal energy on a site under consideration is used to perform the calculation for the next step. In this approach the noncollinear magnetic structure for stepped Fe/Cr superlattices is obtained. The ground state is always noncollinear and the angle between magnetic moments of Fe layers depends on the thickness of the Cr and Fe layers.

Author Keywords: Noncollinear magnetism; Magnetic moment distribution; Self-consistent solution

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(8K)
Fig. 1. Cr_n+1/2/Fe_m+1/2/Cr_n+1/2/Fe_m+1/2 superlattices with stepped interfaces.

Table 1. Results of self-consistent calculations for stepped Fe(1 0 0)/Cr(1 0 0) superlattices

(<1K)

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1. H. Dreysse, C. Demangeat, J.A.C. Bland, G. Bayreuther (Eds.), Workshop on Fe/Cr Interface Magnetism, Strasbourg, 2_¯3 June 1996..

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3. A. Vega, C. Demangeat, H. Dreysse and A. Chouairi. Phys. Rev. B 51 (1995), p. 11546. Abstract-INSPEC | $Order Document | Full-text via CrossRef

4. V.M. Uzdin and N.S. Yartseva. Comput. Mater. Sci. 10 (1998), p. 211. Abstract | Journal Format-PDF (289 K)

5. K. Hirai. J. Phys. Soc. Jpn. 61 (1992), p. 2491. Abstract-INSPEC | $Order Document

6. L.M. Sandratskii. Adv. Phys. 47 (1998), p. 91. Abstract-INSPEC | Abstract-Compendex | Abstract | $Order Document | Full-text via CrossRef

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8. D. Stoeffler and C. Cornea. Comput. Mater. Sci. 8 (1997), p. 182. Abstract | Journal Format-PDF (618 K)

Corresponding author. Tel.: +49-211-8112284; fax: +49-211-8113658; email: uzdin@uni-duesseldorf.de

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Journal of Magnetism and Magnetic Materials
Volumes 198-199
1 June 1999
Pages 471-473

148 of 238

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